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Tracy Slayter24/07/2017, 09:15Dark Matter
Increasingly stringent limits on supersymmetry at the LHC and null results from direct and indirect detection are spurring wide-ranging discussions of theoretically well-motivated directions for novel dark matter searches. I will discuss recent developments in dark matter theory, covering a wide range of possible dark matter candidates and mass scales, and their interplay with cosmology and...
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Dr Werner Rodejohann (MPIK, Heidelberg)24/07/2017, 09:45Neutrinos
The talk summarizes general features of mechanisms that generate neutrino mass. The impact of current neutrino data on models for lepton mixing is discussed. Typical examples for new physics in neutrino experiments are given. A general prediction of almost all mechanisms for neutrino mass is the presence of neutrinoless double beta decay. The physics potential of this process is presented,...
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Peter Shawhan24/07/2017, 10:45
After the ground-breaking detection of gravitational waves from a couple of merging binary black holes in the first Advanced LIGO observing run, there is still a great deal to be learned about the population and astrophysics of gravitational-wave sources. I will share the latest news from the second observing run of the Advanced LIGO detectors, including the recently published event GW170104,...
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Takaaki Kajita24/07/2017, 11:15Labs and Low Background
"Underground" is getting more and more important for
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researches with very low event rate. I will give a
overview the science that are carried out in underground. -
Prof. Alexander Studenikin (Moscow State University and JINR-Dubna)24/07/2017, 13:00
A review of the theory and phenomenology of neutrino electromagnetic properties is presented. A massive neutrino even in the easiest generalization of the Standard Model inevitably has nonzero electromagnetic characteristics, at least nonzero magnetic moment. Although its value, determined by the neutrino mass, is very small, in other BSM theories much larger values of magnetic moments are...
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Mr Jelle Aalbers (University of Amsterdam, Nikhef)24/07/2017, 13:15
XENON1T, the largest xenon TPC ever built, is performing the most sensitive direct search for WIMP dark matter on earth. As xenon TPCs become larger, long drift times and extreme fidelity requirements challenge the data acquisition, processing, and modeling. This talk explores how XENON1T dealt with these challenges for its first results, and what this implies for XENON1T's future physics...
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Jianjie Zhang (Northwestern University)24/07/2017, 13:15
A new type of particle detector which combines the advantages of liquid noble TPCs and superheated bubble chambers has been for the first time demonstrated with a 30-gram prototype scintillating liquid xenon bubble chamber operated at Northwestern University. The new technology has the potential, which is the aim of current ongoing work, to be virtually only sensitive to nuclear recoils at...
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Livia Ludhova (Forschungszentrum Juelich), Prof. Livia Ludhova (IKP FZJ)24/07/2017, 13:15
A minimal extension of the electroweak standard model with a massive neutrino allows a non zero magnetic moment, with the neutrino magnetic moment proportional to the neutrino mass. The experimental evidence from solar, reactor, atmospheric and accelerator neutrinos has demonstrated that neutrinos are massive, and may thus possess a non-null magnetic moment.
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The limits of the effective... -
Mr Chih-Pan Wu (National Taiwan University)24/07/2017, 13:30
The studies on neutrinos and dark matters rely on the direct detection with detectors composed by pure atom or crystal. As current experimental searches for neutrinos and dark matters have lowered the detector threshold down to the sub-keV regime [1, 2], accurate many-body calculations for atomic ionization are warranted for giving reliable results of experimental comparisons. With the...
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Mr Deepak Tiwari (INO, Harish Chandra Research Institute)24/07/2017, 13:30
Weakly Interactive Massive Particles (WIMPs) are among the most favored Dark Matter candidates.
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As the Solar System moves through Dark Matter halo, the WIMPs may scatter on the nuclei in the
Sun/Earth, lose energy, and get trapped by their gravitational potentials. Their capture and subsequent
annihilations in the core of the Sun/Earth may subsequently give rise to neutrinos, through various... -
Prof. Ning Zhou (Shanghai Jiao Tong University)24/07/2017, 13:30
PandaX experiment, located at China JinPing underground Laboratory (CJPL), is a 500kg scale liquid xenon dark matter direct detection experiment. With the first 98.7-day data, PandaX-II experiment obtained stringent upper limits on the spin-independent (SI) and spin-dependent (SD) WIMP-nucleon elastic scattering cross sections. Alternative models of dark matter are also explored using this...
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Masaki Yamashita (The University of Tokyo)24/07/2017, 13:45
A search for dark matter was conducted by looking for an annual modulation signal due to the Earth's rotation around the Sun using XMASS-I detector at Kamioka. It is a single phase Xe detector with 832 kg surrounded by low radioactive 642 PMTs with a water tank for cosmic muon veto. The detector has been performed satiable operation over 3 years with a very high light yield of 15...
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Amelie Chatelain24/07/2017, 13:45
Since the discovery of neutrino oscillations in 1998 and the assessment of the Mikheev-Smirnov-Wolfenstein (MSW) effect, steady progress had been made in understanding neutrino flavor conversions in astrophysical environments. Neutrino self-interactions have proven to complicate the problem, making the evolution equations intrinsically nonlinear, and have triggered a decade of theoretical...
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Bela Majorovits (MPI for Physics)24/07/2017, 13:45
The Axion is a hypothetical low-mass boson predicted by the Peccei-Quinn mechanism solving the strong CP problem. It is naturally also a cold dark matter candidate, thus, simultaneously solving two major problems of nature. All existing experimental efforts to detect QCD axions focus on a range of axion masses below 20 ueV. The mass range above ~40ueV, preferred by models in which the...
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Dr Stefanie Langrock (Laurentian University)24/07/2017, 14:00
DEAP-3600 is a dark matter WIMP (Weakly Interacting Massive Particles) search experiment, which aims to detect nuclear recoils from WIMP scattering in an argon target located $2$ km underground at SNOLAB. At WIMP masses of $100$ GeV, DEAP-3600 has a projected sensitivity of $10^{-46}$ cm$^{2}$ for the spin-independent elastic scattering cross section of WIMPs. The beta emissions from the...
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Sergio Pastor (IFIC Valencia)24/07/2017, 14:00
Nonzero neutrino masses are required by the existence of flavor oscillations, with values at least of the order of 50 meV. We consider the gravitational clustering of relic neutrinos with minimal masses at the Earth neighborhood, where their number density is enhanced with respect to the average cosmic density. The local overdensity is found using N-one-body simulations, including an improved...
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Stefan Knirck (Max-Planck-Institute for Physics, Munich, Germany)24/07/2017, 14:00
WISPy Dark Matter candidates have increasingly come under focus of scientific interest. In particular the QCD Axion might also be able to solve other fundamental problems such as strong CP-violation and could be responsible for inflation and structure formation in the early universe. Galactic Axions, Axion-Like-Particels and Hidden Photons can be converted to photons employing a surface...
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Dr Bjoern Lehnert (Carleton University)24/07/2017, 14:15
The DEAP-3600 experiment is searching for dark matter with a single phase liquid argon (LAr) target, located at SNOLAB. For a background-free exposure of 3000 kg$\cdot$yr, the projected sensitivity to the spin-independent WIMP-nucleon cross section at 100 GeV/c$^2$ WIMP mass is 10$^{-46}$ cm$^{2}$.
The experimental signature of dark matter interactions is keV-scale argon recoils producing 128...
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Dr Florian Reindl (INFN - Sezione di Roma 1)24/07/2017, 14:15
The COSINUS (Cryogenic Observatory for SIgnals seen in Next-generation Underground Searches) was brought to life to give new insight to the long-standing dark matter claim of the DAMA/LIBRA experiment. To be immune to potential target-material dependencies also COSINUS, as DAMA-LIBRA, uses NaI as target material. Our detectors are cryogenic calorimeters with phonon-light-readout - unique in...
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Katsuki Hiraide (the University of Tokyo)24/07/2017, 14:15
Double electron capture is a rare nuclear decay process in which two orbital electrons are captured simultaneously. Recently, this process has been attracting attention both theoretically and experimentally. Natural xenon contains the double electron capture nuclei 124Xe with an abundance of 0.095%. Even two-neutrino mode has not been observed for the nuclei so far. The XMASS program is...
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Peter Meyers (Princeton University)24/07/2017, 14:30
DarkSide uses dual-phase Liquid Argon Time Projection Chambers to search for WIMP dark matter. The current experiment, DarkSide-50, has a 50-kg-active-mass TPC surrounded by a borated-liquid-scintillator neutron detector and a water Cherenkov detector. DarkSide-50 has been running continuously since 2013, initially with atmospheric argon and then, starting in mid-2015, with argon from...
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Mr Alexander Fieguth (University of Muenster / XENON collaboration)24/07/2017, 14:30
XENON1T, widely known as the next step in the challenging hunt for direct dark matter detection, provides the possibility for the study of interesting physics beside its main purpose. One promising example for this is the search for different beta decay modes of $^{124}$Xe. Here the process of Two Neutrino Double Electron Capture (2$\nu$DEC) is the first one to look for as it is predicted by...
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Susana Cebrian (Universidad de Zaragoza)24/07/2017, 14:30
Looking for low-mass WIMPs (<10 GeV) which could be pervading the galactic dark halo requires the use of light elements as target and detectors with very low energy threshold. The TREX-DM (TPC Rare Event eXperiment for Dark Matter) experiment is conceived to fulfil these requirements by means of a gas time projection chamber (TPC) equipped with novel micromesh gas structures (Micromegas)...
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24/07/2017, 14:45Contributed talk
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Mr Pitam Mitra (University of Alberta)24/07/2017, 14:45
The PICO-60 experiment searches for dark matter using superheated liquid C$_3$F$_8$. The experiment is located at SNOLAB and is designed to be sensitive to spin-carrying dark matter particles. The PICO bubble chamber is a threshold detector that can be operated to be insensitive to minimally ionizing particles. Acoustic information is used to discriminate between nuclear recoil events and...
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Dr Steven Linden (Boston University)24/07/2017, 14:45
One technology being examined for future direct dark matter searches is a
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single-phase noble liquid detector. The MiniCLEAN experiment is a test of
such an approach, using liquid argon to search for WIMPs via nuclear
recoils. The detector, located at SNOLAB, will have a 500 kg (150 kg)
target (fiducial) mass and is instrumented with cold photomultiplier
tubes. Pulse-shape discrimination... -
Prof. Jodi Cooley (SMU)24/07/2017, 15:30
Over the last two decades, astrophysicists and astronomers have produced compelling evidence on galactic and cosmological scales indicates that ~80% of the matter density of the Universe consists of non-luminous, non-baryonic dark matter. Despite this fact, the composition of the dark matter remains unknown. One compelling candidate for particle dark matter is the Weakly Interacting Massive...
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Erica Caden (SNOLAB)24/07/2017, 15:30
The SNO+ experiment is located at SNOLAB in Sudbury, Ontario, Canada. It will employ 780 tons of liquid scintillator loaded, in its initial phase, with 1.3 tons of $^{130}$Te (0.5% by mass) for a low-background and high-isotope-mass search for neutrino-less double beta decay. SNO+ uses the acrylic vessel and PMT array of the SNO detector with several experimental upgrades and necessary...
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Davide Pagano (Universita di Brescia (IT))24/07/2017, 15:31
From the experimental point of view, very little is known about the gravitational interaction between matter and antimatter. In particular, the Weak Equivalence Principle, which is of paramount importance for the General Relativity, hasn't been directly probed with antimatter yet. The main goal of the AEgIS experiment at CERN is to perform a direct measurement of the gravitational force on...
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Dr Stefano Pirro (INFN - Laboratori Nazionali del Gran Sasso, Italy)24/07/2017, 15:45
CUPID-0 (former LUCIFER experiment) represents the first demonstrator towards CUPID (Cuore Upgrade with Particle IDentification). CUPID-0 -consisting of an array of 24 enriched Zn82Se scintillating bolometers totalling 3.5 10^25 82Se emitters- has started its background measurement on March 2017. Thanks to the scintillation signal readout, the troublesome alpha-induced background is...
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Prof. Jules Gascon (Univ Lyon, Université Lyon 1, CNRS/IN2P3, IPN-Lyon )24/07/2017, 15:45
The EDELWEISS collaboration is performing a direct search for WIMP dark matter using an array of up to twenty-four 860g cryogenic germanium detectors equipped with a full charge and thermal signal readout. The experiment is located in the ultra-low radioactivity background of the Modane underground laboratory, in the French-Italian Frejus tunnel. We present the analysis of data obtained in...
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Alexander Rider (Stanford University)24/07/2017, 15:46
We have demonstrated a novel technique for measuring microscopic forces acting on optically levitated dielectric microspheres. The radiation field at the focus of a laser beam is used to levitate a microsphere in a harmonic trap where the displacement of the microsphere can be determined by the pattern of scattered light. Optical levitation isolates the microsphere from the surrounding...
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Federica Petricca (Max-Planck-Institut für Physik)24/07/2017, 16:00
The CRESST experiment, located at Laboratori Nazionali del Gran Sasso in Italy, searches for dark matter particles via their elastic scattering off nuclei in a target material.
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The CRESST target consists of scintillating CaWO$_4$ crystals, which are operated as cryogenic calorimeters at millikelvin temperatures. Each interaction in the CaWO$_4$ target crystal produces a phonon signal and a... -
Thomas Caldwell (University of North Carolina)24/07/2017, 16:00
The MAJORANA Collaboration has assembled an array of high purity Ge detectors to search for neutrinoless double-beta decay in $^{76}$Ge with the goal of establishing the required background and scalability of a Ge-based next-generation tonne-scale experiment. The MAJORANA DEMONSTRATOR consists of 44 kg of high-purity Ge (HPGe) detectors (30 kg enriched in $^{76}$Ge) with a low-noise p-type...
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MASAYA HASEGAWA (KEK)24/07/2017, 16:01
POLARBEAR is a ground-based CMB polarization experiment that is designed to characterize
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the B-mode (curl component) signal at both degree and sub-degree angular-scales.
B-modes at degree scale can reveal the existence of primordial gravitational waves and will be
used for quantitative studies of inflation, such as the energy scale at which it occurred.
The sub-degree polarization data are... -
Mr Masato Kimura (Waseda University)24/07/2017, 16:15
Liquid argon is known as an excellent target material for WIMP dark matter direct search experiment. Use of its ionization and scintillation signals, and scintillation pulse shape provides strong discrimination between the electron and nuclear events. Relatively small atomic mass (A=40) gives higher nuclear recoil energy for WIMP-Ar nuclear scattering, thus it potentially has higher...
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Ander Simón Estévez (IFIC)24/07/2017, 16:15
The goal of the NEXT collaboration is to observe neutrinoless double beta decay in gaseous 136-Xe using a time projection chamber (TPC) capable of doing both energy and tracking reconstruction from light produced via electroluminescence (EL).
The collaboration is now taking data with NEXT-White (NEW), phase-I of the NEXT-100 detector. With about half of the NEXT-100 linear dimensions (about...
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Surajit Chattopadhyay24/07/2017, 16:16
The present paper reports a study on variable generalized Chaplygin gas (VGCG) interacting with pressureless dark matter (DM) with interaction term Q chosen in the form Q=3HδρΛ, where ρΛ denotes the density of the VGCG. Detailed cosmology of the interacting VGCG has been studied and a quintom behaviour of the equation of state (EoS) parameter has been observed. A statefinder analysis has shown...
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Mr Thibaud LE NOBLET (LAPP / Université Savoie Mont-Blanc)24/07/2017, 16:30
Experimental searches for neutrinoless double-beta decay (0$\nu\beta\beta$) are one of the most active research topics in neutrino physics. Its observation is in fact of major importance since it will prove the Majorana nature of neutrinos and may give access to their absolute mass scale.
Installed at Modane Underground Laboratory (LSM), the NEMO experiments provide a unique approach...
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Dr Pierre Gorel (SNOLAB)24/07/2017, 16:30
Despite several large-scale direct detection experiments worldwide, dark matter remains elusive. Not favored by theory, the low mass region of the weakly interacting particles parameter-space (<1GeV) has been largely ignored until now, and time has come to broaden the search.
The NEWS-G project builds on the experience gathered with the SEDINE detector, which has been operated for several...
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James Diacoumis (University of New South Wales)24/07/2017, 16:31
The damping of perturbations in the early universe produces a distortion in the energy spectrum of the CMB photons which depends intimately on the properties of the photon temperature transfer functions. Here we propose a new method for probing dark matter models on extremely small-scales (1 \, \textrm{Mpc}^{-1}\lesssim k \lesssim 10^{4} \, \textrm{Mpc}^{-1}) by looking at how these models...
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Dr Giovanni Benato (Department of Physics, University of California, Berkeley, USA)24/07/2017, 16:45
The Bayesian discovery probability of future experiments searching for neutrinoless double-$\beta$ decay is evaluated under the popular assumption that neutrinos are their own antiparticles. A Bayesian global fit is performed to construct a probability distribution for the effective Majorana mass, the observable of interest for these experiments. This probability distribution is then combined...
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Scott Fallows (University of Alberta)24/07/2017, 16:45
The PICO-60 bubble chamber has concluded its dark matter search runs using a superheated liquid C$_3$F$_8$ target. Its replacement currently under commissioning, PICO-40L, is a redesigned bubble chamber with an inverted vertical orientation. This design allows the replacement of the water buffer with a second fused silica jar acting as a piston. The removal of the buffer fluid is intended to...
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24/07/2017, 16:46Contributed talk
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Prof. Hao Ma (Tsinghua University)24/07/2017, 17:00
The China Dark Matter Experiment (CDEX) aims at direct searches of light Weakly Interacting Massive Particles (WIMPs) at the China Jinping Underground Laboratory (CJPL) with an overburden of about 2400m rock. Results from a prototype CDEX-1 994 g p-type Point Contact Germanium(pPCGe) detector are reported. Research programs are pursued to further reduce the physics threshold by improving...
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Ryan MacLellan (University of South Dakota)24/07/2017, 17:00
The nEXO Collaboration is designing a 5-tonne detector with initial neutrinoless double-beta decay sensitivity close to $10^{28}$years. The nEXO detector will be a homogeneous liquid xenon-136 time projection chamber inspired by the very successful EXO-200 detector. Energy resolution, event topology and event localization in the large homogeneous detector will work in concert to measure and...
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24/07/2017, 17:00
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24/07/2017, 17:15
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24/07/2017, 17:15Contributed talk
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Dr Alvaro Chavarria (University of Chicago)24/07/2017, 17:15
Millimeter-thick charge-coupled devices (CCDs) are outstanding particle detectors. Although initially developed for near-infrared astronomy, the low pixel noise also makes them the most sensitive detectors to signals from ionizing radiation. By virtue of their very low energy threshold (<100 eV of ionizing energy) and their unique capabilities for background characterization based on their...
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Claudio Kopper (University of Alberta)25/07/2017, 08:30
With the recent discovery of high-energy neutrinos of extraterrestrial origin by the IceCube neutrino observatory, neutrino astronomy is entering a new era. The highest energy neutrinos observed to date exceed 1 PeV in energy, a regime of particular interest because the neutrinos should point back to the still elusive accelerators of the highest energy Galactic and extragalactic cosmic rays....
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Dr Nigel Smith (SNOLab)25/07/2017, 09:00
The direct dark matter detection field is entering an intriguing period where tonne-scale high-mass-WIMP-search detector systems are coming on-line, along with new systems focussed on low-mass-WIMP and spin-dependent-interaction searches. These detector systems open up new parameter space for detection of dark matter, with the projected sensitivities of subsequent generation detectors...
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Mark Boulay (Carleton University)25/07/2017, 09:30Dark Matter
DEAP-3600 is a novel experiment searching for dark matter particle interactions on 3.6 tonnes of liquid argon at SNOLAB. The argon is contained in a large ultralow-background acrylic vessel viewed by 255 8-inch photomultiplier tubes. Very good pulse-shape discrimination has been demonstrated for scintillation in argon, and the detector has been designed to allow control of (alpha,n) and...
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Carsten Krauss (University of Alberta)25/07/2017, 09:50
The PICO collaboration has operated several generations of dark matter detectors at SNOLAB. The most recent results of the PICO 60 experiment and the plans for future superheated liquid dark matter detectors will be presented.
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Kristian Hahn (Northwestern University (US))25/07/2017, 10:40Dark Matter
Searches for dark matter (DM) have become a major focus of the LHC physics programmes. Run-2 DM results from the ATLAS and CMS experiments showcase the ability of collider searches to compliment the sensitivity of direct and indirect detection experiments. In this talk, we review the strategy and status of DM searches in ATLAS and CMS, and show how recent results strongly constrain models of...
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Christian Philipp Weinheimer (Westfaelische Wilhelms-Universitaet Muenster (DE))25/07/2017, 11:10
Since the discovery of neutrino oscillation we know that neutrinos have non-zero masses, but we do not know the absolute neutrino mass scale, which is as important for cosmology as for particle physics. The direct search for a non-zero neutrino mass from endpoint spectra of weak decays is complementary to the search for neutrinoless double beta-decay and analyses of cosmological data.
The...
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Gianpaolo Carosi (Lawrence Livermore National Laboratory)25/07/2017, 11:40
The nature of dark matter is one of the great mysteries of modern physics and may be the result of
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new particles beyond the standard model. The Axion, originally conceived as a solution to the strong-
CP problem in nuclear physics, is one well-motivated candidate. In 1983 Pierre Sikivie proposed an
experimental search technique, known as an axion haloscope, that relies on a large microwave... -
Ekaterina Rukhadze (IEAP CTU in Prague)25/07/2017, 13:30
Investigation of double beta decay (β+EC, EC/EC) of 58Ni was performed at the Modane underground laboratory (LSM, France, 4800 m w.e.) using the ultra-low background spectrometer Obelix and a sample of natural Ni. Spectrometer Obelix is based on P-type coaxial HPGe detector with a sensitive volume of 600 cm3 and relative efficiency of 160 %. The detector part of the cryostat is encircled by...
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25/07/2017, 13:30
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Chris Stanford (Princeton University)25/07/2017, 13:30
We directly measure exceptionally long ($\sim$ms) scintillation lifetimes of tetraphenyl-butadiene, a common wavelength shifter used on surfaces in liquid argon detectors. The magnitude of the scintillation tail relative to the prompt signal is found to differ under alpha, beta, and UV excitation, allowing for pulse-shape discrimination (PSD). Using PSD we show that surface backgrounds from...
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Daniel Baxter (Northwestern University)25/07/2017, 13:45
Dark matter direct detection experiments rely heavily on calibrations to understand each detector’s response to predicted backgrounds. Certain backgrounds, such as neutrino-electron scatters, cannot be directly calibrated, and so beta- or gamma-decay sources are often used as a proxy. This treatment inherently assumes that interaction type and energy do not affect detector response to electron...
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Chris Chambers (Colorado State University)25/07/2017, 13:45
The ability to detect or "tag" the 136Ba daughter of 136Xe double beta decay in the nEXO liquid xenon TPC has the potential to eliminate essentially all background in the a second phase of nEXO operation. Several promising techniques for barium tagging are being developed within the nEXO collaboration. These include capturing the single 136Ba ion/atom in solid xenon on a cryogenic probe and...
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John Wilkerson (University of North Carolina, Chapel Hill)25/07/2017, 13:45
Fifty years ago, Ettore Fiorini and collaborators published the first results of a $^{76}$Ge based search for neutrinoless double beta decay (0νββ). In the ensuing five decades, the sensitivity for 0νββ searches using $^{76}$Ge has increased by five orders of magnitude, from the 1967 limit of T$_{1/2}$ ≥ 3 × 10$^{20}$ years to GERDA’s recent result of T$_{1/2}$ ≥ 5.3 × 10$^{25}$ years. The...
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Dr Giulia D'Imperio (Universita di Roma I 'La Sapienza'-Universita e INFN, Roma I)25/07/2017, 14:00
The SABRE (Sodium Iodide with Active Background Rejection) experiment will search for an annually modulating signal from Dark Matter (DM) using an array of ultra-pure NaI(Tl) detectors surrounded by an active scintillator veto to further reduce the intrinsic background. The expected rate of interactions between DM particles and the detector in fact modulates due to Earth’s changing velocity...
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Dr Saori Umehara (Tohoku University)25/07/2017, 14:00
Neutrino-less double beta decay (0$\nu\beta\beta$) is acquiring great interest
after the confirmation of neutrino oscillation
which demonstrated nonzero neutrino mass.
Measurement of 0$\nu\beta\beta$ provides a test for the Majorana
nature of neutrinos
and gives an absolute scale of the effective neutrino mass.In order to search for 0$\nu\beta\beta$ of $^{48}$Ca,
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we proposed CANDLES detector... -
Ke Han (Shanghai Jiao Tong University)25/07/2017, 14:00
The PandaX-III project at China Jinping Underground Laboratory (CJPL) will search for neutrinoless double beta decay of Xe-136 with high pressure xenon gas Time Projection Chambers (TPC). PandaX-III exploits the tracking capability of gaseous TPC to effectively identify possible signal and suppress background. The first TPC will contain 200 kg of enriched xenon at 10 bar and will be equipped...
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Dr Lukas Hehn (Lawrence Berkeley National Laboratory)25/07/2017, 14:15
The MAJORANA DEMONSTRATOR is an experiment constructed to search for neutrinoless double-beta decays in germanium-76 and to demonstrate the feasibility to deploy a large-scale experiment in a phased and modular fashion. It consists of two modular arrays of natural and 76Ge-enriched germanium detectors totaling 44.1 kg, located at the 4850' level of the Sanford Underground Research Facility in...
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Dr Hyon-Suk Jo25/07/2017, 14:15
The goal of the Advanced Mo-based Rare process Experiment (AMoRE) is to search for neutrinoless double beta decay of $^{100}$Mo using low-temperature detectors consisting of Mo-based scintillating crystals and sensors based on metallic magnetic calorimeters (MMCs). The detector system operates at millikelvin temperatures, which are reached using a dilution refrigerator, and performs...
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Susana Cebrian (Universidad de Zaragoza)25/07/2017, 14:15
The ANAIS (Annual modulation with NaI(Tl) Scintillators) experiment aims at the confirmation of the DAMA/LIBRA signal using the same target and technique at the Canfranc Underground Laboratory (LSC). Several 12.5 kg NaI(Tl) modules produced by Alpha Spectra Inc. have been operated in Canfranc during the last years in various set-ups; an outstanding light collection at the level of 15...
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Reina Maruyama (Yale University)25/07/2017, 14:30
Astrophysical observations give overwhelming evidence for the existence of dark matter. While the DAMA collaboration has asserted for years that they observe a dark matter-induced annual modulation signal in their NaI(Tl)-based detectors, their signal has not been confirmed independently. Moreover, DAMA's observations are inconsistent with those from other direct detection dark matter...
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Dr Yuan Mei (Lawrence berkeley national laboratory)25/07/2017, 14:30
High pressure gaseous Time Projection Chamber (TPC) provides a unique
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combination of excellent energy resolution, event tracking for
background discrimination, and scalability, which are ideal for
neutrinoless double-beta decay searches. To harness the power of such
a TPC, a suitable charge readout scheme has to be realized. We are
developing a pixelated charge readout plane filled with an... -
Florian Fraenkle (Karlsruhe Institute of Technology)25/07/2017, 14:30
The KArlsruhe TRItium Neutrino (KATRIN) experiment is a large-scale experiment with the objective to determine the effective electron anti-neutrino mass with an unprecedented sensitivity of 0.2 eV/c² at 90% C.L. in a model-independent way. The measurement method is based on precision beta-decay spectroscopy of molecular tritium.
The experimental setup consists of a high luminosity windowless...
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Yasuhiro Takemoto (Osaka Unversity)25/07/2017, 14:45
The positive observation of dark matter by the DAMA experiment has to be re-examined by a NaI(Tl) detector since there are multiple negative results shown by Xe experiments. The PICOLON experiment is trying to observe dark matter with multiple highly radio-pure NaI(Tl) scintillator detectors.
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In recent a couple years, 3”φx3” and 4”φx3” detectors were constructed for future target of 5”φx5”... -
Thomas Brunner (McGill University)25/07/2017, 14:45
The nEXO collaboration is developing a low-background detector to search for neutrinoless double beta decays in 5 tonnes of liquid xenon enriched in the isotope Xe-136. The detector concept is based on the success of the EXO-200 detector. However, the more than 20-fold increase in xenon mass would benefit greatly from the development of new technologies to record 175 nm scintillation light and...
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Dr Stephan Scholl (Kepler Center for Astro- and Particle Physics), for the ECHo Collaboration25/07/2017, 14:45
The Electron Capture in $^{163}$Ho (ECHo) experiment is designed to investigate the electron neutrino mass $m_{\nu_e}$ with sub-$eV$ sensitivity by the analysis of the electron capture (EC) energy spectrum of $^{163}$Ho.
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The sensitivity on the electron neutrino mass is crucially related to the energy available for the decay $Q_{EC}$ = $2833(30$stat$)(15$sys$)\,eV$, which has been... -
Philippe Di Stefano (Queen's University)25/07/2017, 15:00Contributed talk
Potassium-40 is a contaminant found in many rare-event searches. Its decay by electron capture to argon-40 emits X-rays and Auger electrons at energies of 3 keV and below, right in the region where direct searches for dark matter expect their signal. Most of the electron capture decays are to an excited state of 40Ar which emits a 1.461 MeV gamma ray allowing identification of the low-energy...
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Dr Walter Pettus (University of Washington, CENPA)25/07/2017, 15:00
Project 8 is a tritium endpoint neutrino mass experiment utilizing a phased program to achieve sensitivity to the range of neutrino masses allowed by the inverted mass hierarchy. The Cyclotron Radiation Emission Spectroscopy (CRES) technique is employed to measure the differential energy spectrum of decay electrons with high precision. We present an overview of the Project 8 experimental...
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Prof. Yoshiyuki Fukuda (Miyagi University of Education)25/07/2017, 15:00
A liquid scintillator containing a tetrakis (isopropyl acetoacetato) zirconium (Zr(iprac)4) has been developed for new project of neutrinoless double beta decay search using Zr-96 isotope, which is called ZICOS experiment. The liquid scintillator has 10 wt.% concentration of Zr(iprac)4, a light yield of 48.7+-7.1% for BC505, and an energy resolution of 4.1+-0.6% at 3.35 MeV assuming 40%...
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Ms Gulden Othman (University of North Carolina- Chapel Hill & Triangle Universities Nuclear Laboratory (TUNL))25/07/2017, 15:15
The MAJORANA DEMONSTRATOR is currently searching for neutrinoless double-beta decays in germanium-76 and will demonstrate the feasibility to deploy a tonne-scale experiment in a phased and modular fashion. It consists of two modular arrays of natural and 76Ge-enriched germanium detectors totaling 44.1 kg, of which 29.7 kg is enriched, located at the 4850' level of the Sanford Underground...
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Mr Alejandro Segarra (IFIC (U. Valencia - CSIC))25/07/2017, 15:15
Massive neutrinos demand to ask whether they are Dirac or Majorana particles.
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Majorana neutrinos are an irrefutable proof of physics beyond the Standard Model.
Neutrinoless Double Electron Capture is not a process but a virtual $\Delta L = 2$ Mixing
between a parent $^AZ$ atom and a daughter $^A(Z-2)$ excited atom with two electron holes.
As a mixing between two neutral atoms and the... -
Shaomin Chen (Tsinghua University)25/07/2017, 15:15
The Jinping Neutrino Experiment will perform an in-depth research on solar neutrinos, geo-neutrinos and supernova relic neutrinos. Many efforts were devoted to the R&D of the experimental proposal. A new type of liquid scintillator, with high light-yield and Cherenkov and scintillation separation capability, is being developed. The assay and selection of low radioactive stainless-steel (SST)...
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Kimberly Palladino (University of Wisconsin Madison)25/07/2017, 16:00
LUX-ZEPLIN (LZ) is a forthcoming experiment designed to directly detect WIMP dark matter. It aims to detect WIMP interactions with a liquid xenon time projection chamber containing 5.6 tonnes of xenon in the fiducial volume. LZ is projected to have a sensitivity to the spin-independent WIMP-nucleon cross section of 2.3x10^-48 cm^2 for a 40 GeV/c^2 mass WIMP after 1000 days of livetime. An...
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Mariam Tórtola (IFIC, Valencia University/CSIC)25/07/2017, 16:00
In this talk, we will summarize the current status of global neutrino oscillation analyses in the three-neutrino framework. We will also discuss some scenarios where the measurement of the CP violation phase could be significantly affected by the presence of neutrino physics BSM.
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Dr Michael Daniel (Harvard-Smithsonian Center for Astrophysics)25/07/2017, 16:01
VERITAS has been observing the northern sky at TeV energies with full sensitivity since 2007. Consisting of a ground based array of four 12m imaging atmospheric Cherenkov telescopes sited in southern Arizona it is one of the world’s most sensitive detectors of gamma-rays between 85GeV to 30TeV. VERITAS maintains a broad scientific programme in many areas of astroparticle physics, including,...
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Dr Christina Ignarra (SLAC National Accelerator Laboratory)25/07/2017, 16:15
LZ will be a 10 ton dual-phase xenon Time Projection Chamber (TPC) searching for WIMP dark matter via direct detection. In order to achieve our desired sensitivity, we require an extremely radiopure environment. Gamma backgrounds originate outside of the bulk xenon and are mitigated by xenon’s self-shielding properties, as well as our position reconstruction and veto capabilities. More...
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Tyce DeYoung (Michigan State University)25/07/2017, 16:15
The DeepCore infill array of the IceCube Neutrino Observatory enables observations of atmospheric neutrinos with energies as low as 5 GeV. Using a set of 40,000 neutrino events with energies ranging from 5.6 - 56 GeV recorded during three years of DeepCore operation, we measure the atmospheric oscillation parameters $\theta_{23}$ and $\Delta m^2_{32}$ with precision competitive with...
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Dr Lorenzo Perrone (University of Salento and INFN Lecce)25/07/2017, 16:16
The Pierre Auger Observatory has been designed to investigate the origin and the nature of Ultra High Energy Cosmic Rays.
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The combination of information from a surface array, measuring the lateral distributions of secondary particles at the ground, and the fluorescence telescopes, observing the longitudinal profile, provides an enhanced reconstruction capability and opens the way for a... -
Wolfgang Rau25/07/2017, 16:30
The Super Cryogenic Dark Matter Search (SuperCDMS) and its predecessor CDMS have been at the forefront of the search for Weakly Interacting Massive dark matter Particles (WIMPs) for close to two decades. Significant improvements in detector technology have opened up the low-mass parameter space ( $^\lt\!\!\!\!_\sim$ 10 GeV/c$^2$) where the experiment broke new ground with the CDMS low...
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Martin Leuermann, Martin Leuermann25/07/2017, 16:30
The measurement of the Neutrino Mass Ordering (NMO), i.e. the ordering of the three neutrino mass eigenstates, is one of the major goals of many future neutrino experiments. One strategy is to measure matter effects in the oscillation pattern of atmospheric neutrinos as proposed for the PINGU extension of the IceCube Neutrino Observatory.
Already, the currently running IceCube/Deepcore...
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Dr Adiv Gonzalez Muñoz (Instituto de Fisica UNAM)25/07/2017, 16:31
The High Altitude Water Cherenkov (HAWC) observatory is an air shower detector designed to study very-high-energy gamma rays (~100 GeV to ~100 TeV). It is located in the slopes of the volcano Sierra Negra in the state of Puebla, Mexico at an elevation of 4100 m. HAWC has a instantaneous field of view of 2 sr and a duty cycle of >95%, scanning 2/3 of the sky everyday. In this talk we will...
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John L. Orrell (Pacific Northwest National Laboratory)25/07/2017, 16:45
The planned SuperCDMS SNOLAB dark matter experiment will seek direct detection of WIMP-like dark matter with masses in the 0.5-10 GeV/c$^2$ mass range. The experiment will employ four types of cryogenic radiation detectors sensitive to phonon and ionization signals. At the lowest recoil energies electron recoil backgrounds are expected to limit the cross section reach to ~10$^{-43}$ cm$^2$...
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Michael Larson (University of Copenhagen, Niels Bohr Institute)25/07/2017, 16:45
The IceCube-DeepCore detector has unambiguously observed muon-neutrino disappearance due to oscillations of atmospheric neutrinos. The associated tau-neutrino appearance may be measured as a statistical excess of cascade-like events in the detector. New high statistics event selections, optimized for the study of oscillations around 10 GeV, provide increased sensitivity for the measurement of...
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Nicoletta Mauri25/07/2017, 16:46
The OPERA detector was used to measure the annual modulation of the atmospheric muon flux at the Gran Sasso underground laboratory (3800 m w.e.). We present preliminary results using 5 years of data (2008-2012) showing a flux modulation with a period of 1 year and a relative amplitude of 1.5%. The phase of the maximum intensity and the effective temperature coefficient $\alpha_T$, which...
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Ken Clark (SNOLAB)25/07/2017, 17:00
The IceCube Gen2/Phase1 detector has been proposed to in-fill IceCube's DeepCore region with seven new, densely-instrumented strings. These strings would provide the world's best sensitivity to tau neutrino appearance, with a precision of better than 10%, providing the most stringent test of unitarity in the tau sector to date. Gen2/Phase1 would also have improved sensitivity to muon...
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Eric Vazquez-Jauregui (IF-UNAM)25/07/2017, 17:00
The PICO-500L detector will be a 500 litre bubble chamber designed to search for weakly interacting massive particles (WIMP). The experiment will cover a large range of mass and cross section parameter space, proving a variety of theoretical models. The PICO collaboration has built a well established technology, easily scalable and relatively inexpensive with flexibility to easily exchange...
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Beatrice Panico (INFN - National Institute for Nuclear Physics)25/07/2017, 17:01
PAMELA (Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics) is a satellite-borne experiment. It was launched on June 15th 2006 from the Baikonur space centre on board the Russian Resurs-DK1 satellite. For about 11 years PAMELA took data, giving a fundamental contribution to the cosmic ray physics. It made high-precision measurements of the charged component of the cosmic...
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Prof. Rafael Lang (Purdue University)25/07/2017, 17:15
Liquid xenon is an ideal target material to probe Dark Matter and neutrino physics well beyond the sensitivity of ongoing projects. The DARWIN observatory is a proposed detector with a multitude of physics channels spanning particle, astroparticle, and nuclear physics. DARWIN will probe vanilla WIMPs down to the signal from atmospheric neutrinos, and search for light WIMPs, solar axions,...
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daniele gibin (Universita' di Padova)25/07/2017, 17:15
The 760 ton liquid argon ICARUS T600 detector performed a successful three-year physics run at the underground LNGS laboratories, studying neutrino oscillations with the CNGS neutrino beam from CERN, and searching for atmospheric neutrino interactions in cosmic rays. A sensitive search for LSND like anomalous nu_e appearance was performed, contributing to constrain the allowed parameters to a...
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Dr Piera Sapienza (INFN-LNS)25/07/2017, 17:16
The KM3NeT Collaboration aims at the discovery and subsequent observation of high neutrino sources in the Universe (ARCA) and at the determination of the neutrino mass hierarchy (ORCA).
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This talk is focused on ARCA. The deployment of the firsts Detection Units at 3500 m depth offshore CapoPassero (Italy) started and two strings are in operation and data taking. ARCA will made of two... -
Nicoletta Mauri25/07/2017, 17:30
The OPERA experiment reached its main goal by proving the appearance of tau-neutrinos in the CNGS muon neutrino beam. A total sample of 5 candidates fulfilling the analysis defined in the proposal was detected with a S/B ratio of about ten allowing to reject the null hypothesis at 5.1 sigma. The search has been extended to nu_tau-like interactions failing the kinematical analysis defined in...
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Shawn Westerdale (Carleton University)25/07/2017, 17:30
Neutron-induced backgrounds are among the dominant backgrounds in low-background experiments. One of the main processes that produce these neutrons is the ($\alpha$,n) reaction occurring in detector components. An accurate understanding of these backgrounds is important for any low-background experiment. In this talk, we will present NeuCBOT, a new tool for calculating ($\alpha$,n) yields and...
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Dmitriy Beznosko (Nazarbayev University)25/07/2017, 17:31
Horizon-T is a newly completed (Oct. 2016) innovative detector system constructed to study temporary structure of Extensive Air Showers (EAS) in the energy range above ~10^16 eV coming from a wide range of zenith angles (0 - 80 degress). The system is located at Tien Shan high-altitude Science Station of Lebedev Physical Institute of the Russian Academy of Sciences at approximately 3340 meters...
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Dr Lakhwinder Singh (Institute of Physics, Academia Sinica, Taipei 11529, Taiwan)25/07/2017, 17:45
Germanium detectors with sub-keV sensitivities [1] offer a unique opportunity to study neutrino interactions and properties [2] as well as to search for light WIMP Dark Matter and axion-like particles [3]. The TEXONO Collaboration has been pursuing this research program at the Kuo-Sheng Neutrino Laboratory (KSNL) in Taiwan. We will highlight our results on neutrino electromagnetic properties,...
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Dr Mark Scott (TAUP)25/07/2017, 17:45
T2K is a long-baseline neutrino oscillation experiment taking data since
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2010. A neutrino beam is produced at the J-PARC accelerator in Japan and is
sampled at a Near Detector complex 280 m from the
neutrino production point and at the far detector, Super-Kamiokande.
Beams predominantly composed of muon neutrinos or muon anti-neutrinos have been
produced by changing the currents in the... -
Ms Aswathi Balagopal V. (Karlsruhe Institute of Technology)25/07/2017, 17:46
IceCube-Gen2, the proposed extension of the IceCube Neutrino Observatory, will enhance both the surface and in-ice capabilities of the facility. Ideas for adding surface radio antennas are under discussion in addition to the upgrade and extension of the IceTop surface array using scintillator detectors. While the scintillators will primarily be used for improving the calibration and lowering...
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Stefan Schoenert26/07/2017, 08:45
Abstract: Observation of neutrinoless double beta decay would be a break through in particle physics, astroparticle physics and cosmology, as it would imply lepton number violation, establish the Majorana character of neutrinos and shed light on the evolution of the early Universe. Current experiments have half-live sensitivities up to several 1025 yr probing part of the parameter space...
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Luciano Pandola (INFN-LNS)26/07/2017, 09:15
The GERmanium Detector Array (GERDA) experiment at the INFN Gran Sasso Laboratory, Italy, is searching for the neutrinoless double beta ($0\nu\beta\beta$) decay of the isotope $^{76}$Ge. High-purity germanium crystals enriched in $^{76}$Ge are the source and the detector simultaneously. The key design feature of GERDA is that detectors are deployed directly into an ultra-pure cryogenic liquid...
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Prof. Scott Oser (University of British Columbia)26/07/2017, 09:35
Long-baseline neutrino experiments use neutrino beams produced at
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accelerators to study the oscillation of neutrino flavours as they
traverse hundreds of kilometers between the primary beam target and a
far detector. Current long-baseline experiments have the world's best
sensitivity to the neutrino mixing angle theta_23 and the mass
splitting dm²_32. They additionally provide the only... -
Lisa Whitehead (University of Houston)26/07/2017, 10:30
Long-baseline neutrino experiments have been crucial in our understanding of neutrino oscillations. Future long-baseline oscillation experiments will seek to address the remaining questions in the standard 3-neutrino oscillation model, including CP violation, the mass hierarchy, and maximal mixing, in addition to searching for new physics. In this talk, I will give an overview of the status...
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Carsten Rott (Sungkyunkwan University)26/07/2017, 11:00
Indirect searches for dark matter are a cornerstone in the dark matter particle identification program. Searches for stable messenger particles produced as part of the self-annihilation or decay of dark matter have resulted in stringent bounds on dark matter properties. Searches with gamma-rays, neutrinos, and charged cosmic-rays will be summarized and constraints on the dark matter...
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Daniel McKinsey26/07/2017, 11:30
Direct detection of dark matter is a promising approach to discovering the nature of dark matter particles. I describe the future of this field of research, focusing on new technologies proposed for reaching the irreducible neutrino background for low-mass dark matter, with particle mass less than 10 GeV/c^2. I also describe new technologies for axion dark matter detection, again focusing on...
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Prof. Serge Charlebois (Université de Sherbrooke)26/07/2017, 13:00
Large area and low background experiments such as nEXO (next Enriched Xenon Observatory, a proposed 5 tonne-scale detector) are looking for new and innovative ways to improve the sensitivity of their detectors. Installing the photodetectors and their electronic readout directly in the detector active medium is among promising approaches. In turn, this introduces new constraints on the...
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Daniel Jardin (Southern Methodist University)26/07/2017, 13:00
Radon is an important background consideration for rare-event searches such as dark matter direct detection and neutrinoless double-beta decay experiments. Materials of construction for these experiments often require screening of ultra-low radon levels, sometimes as few as tens of atoms in equilibrium. Radon emanation is one of the most sensitive and robust ways of making these measurements....
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Giovanni De Lellis26/07/2017, 13:00
Direct dark matter searches are promising techniques to identify the nature of dark matter particles. A variety of experiments have been developed over the past decades, aiming at detecting Weakly Interactive Massive Particles (WIMPs) via their scattering in a detector medium. Exploiting directionality would give a proof of the galactic origin of dark matter making it possible to provide a...
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Kirk Bays26/07/2017, 13:00
NOvA is a long-baseline neutrino oscillation experiment utilizing the NuMI beam from Fermilab and a 14 kton liquid scintillator far detector in northern Minnesota. Recent results for both the muon-neutrino disappearance and the electron-neutrino appearance channels will be discussed, as well as improvements and cross-checks for our next round of analyses.
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Dr Marco Vignati (INFN Sezione di Roma)26/07/2017, 13:15
Active background rejection can be achieved in next generation bolometric experiments for rare event searches by detecting the light (scintillation or Cherenkov) that follows an energy deposition.
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The CALDER (Cryogenic wide-Area Light Detectors with Excellent Resolution) project is part of the R&D activities under development for the upgrade of the CUORE experiment, a ton-scale neutrinoless... -
Lisa Whitehead (University of Houston)26/07/2017, 13:15
All neutrino oscillation experiments face the problem of reconstructing the incoming neutrino energy using only the visible interaction products. Unfortunately, the initial neutrino interaction is not well understood, and some of the interaction products not are visible. In preparation for the analysis of neutrino oscillation data collected using liquid argon time projection chambers, the...
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Ryota Yakabe (Kobe University)26/07/2017, 13:15
NEWAGE is a direction-sensitive direct dark matter search experiment with a three-dimensional gaseous tracking detector (micro-TPC). Our goals are detection of dark matter - nucleus scattering signal in the micro-TPC and investigation of the characteristics of the kinematics of dark matter in the Galaxy. Our direction-sensitive dark matter search by NEWAGE-0.3b’ has been performed in Kamioka...
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Dr Silvia Scorza (SNOLAB)26/07/2017, 13:15
Activation of germanium crystals due to cosmic rays becomes a serious hazard for experiments searching for rare events with germanium detectors.
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Cosmic ray induced activation of the detector components and, even more importantly, of the germanium itself during production, transportation and storage at the Earth's surface, might result in the production of radioactive isotopes with long... -
Dr Moo Hyun Lee (IBS)26/07/2017, 13:30
As a few ultra-low background rare decay experiments at the Yangyang underground laboratory in Korea are being prepared and under operation, a number of ultra-low radioactivity measurement detectors have been developed. For a screening of raw materials or detector components, an ICP-MS, an argon gas ionization counter, a ZnS counter, and a number of HPGe detectors are operating. A silicon PIN...
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Dr Fabrice Naraghi (INPG)26/07/2017, 13:30
In order to perform Directional DM detection, low energy nuclear recoil tracks have to be detected. The MIMAC collaboration has recently reported the first detection of 3D nuclear tracks coming from the Radon progeny confirming the possibility to perform this kind of measurement with an ionization quenching measurement on these heavy nuclei. The nuclear recoils produced by monochromatic...
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Hidekazu TANAKA (University of Tokyo)26/07/2017, 13:30
Hyper-Kamiokande is a next generation water Cherekov detector consisting of 2 tanks, each with 187 kton fiducial mass, to be built in a staged approach. Hyper-Kamiokande will detect neutrinos produced by the upgraded J-PARC accelerator complex, as well as atmospheric neutrinos. It will enable us to search for CP violation in the lepton sector with an order of magnitude more data than current...
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Mr Quirin Pascal26/07/2017, 13:30
Neutrino and astroparticle physics experiments involving detection of rare and weak interactions, like GERDA, MAJORANA, TEXONO, CDEX , CoGeNT have driven the development of large mass ultra low noise detectors.
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With respect to other solid-state materials, germanium presents major advantages for high-sensitivity γ-ray detection. Its excellent electrical properties (lowest band gap and good... -
Prof. Mark Chen (Queen's University)26/07/2017, 13:45
This presentation will provide a review of past and current techniques used to load metals in organic liquid scintillator. Both the techniques and their applications will be discussed.
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Koichi Ichimura (University of Tokyo)26/07/2017, 13:45
The axion is a hypothetical particle invented for solving the CP problem in strong interactions.
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The XMASS-I detector with 832 kg of natural xenon has the sensitivity for searching for axions produced in the Sun thanks to its low energy threshold and low background.
In the XMASS commissioning run, we obtain the model independent limit on the coupling for mass << 1 keV is g_aee < 5.4 x 10^-11... -
Seon-Hee Seo (Seoul National University)26/07/2017, 13:45
Hyper-Kamiokande (Hyper-K) is a next generation water Chrenkov detector in Japan
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consisting of two identical detectors (2x260 kton) with a staged construction.
Main goals of Hyper-K are a definitive measurement of CP violation
and neutrino mass ordering determination using beam neutrinos from J-PARC.
By relocating the 2nd detector in Korea with more than 3 times longer baseline
and more matter... -
Michael Bowles (SDSM&T Physics Dept)26/07/2017, 13:45
High-sensitivity, low-threshold material surface screening is necessary to meet the stringent radiopurity requirements for rare-event searches. The BetaCage is a proposed ultra-low-background time projection chamber (TPC) designed to screen alphas and low-energy betas emitted from material surfaces at trace levels, providing a transformative effect on isotopic assay efforts. I will describe...
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Richard Gaitskell (Brown University)26/07/2017, 14:00
The LUX experiment has been searching for direct evidence of rare events including the interactions galactic dark matter. LUX is a 250 kg active liquid-xenon target situated 1.5 km underground at the Sanford Underground Research Facility in Lead, South Dakota (USA).
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It is a liquid/gas time projection chamber capable of 3-D position reconstruction and nuclear recoil discrimination. We will... -
Daniel Bick (DESY)26/07/2017, 14:00
SHIP is a new general purpose fixed target facility, whose Technical Proposal has been recently reviewed by the CERN SPS Committee and by the CERN Research Board. The two boards recommended that the experiment proceeds further to a Comprehensive Design phase in the context of the new CERN Working group "Physics Beyond Colliders", aiming at presenting a CERN strategy for the European Strategy...
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Ernesto Kemp (University of Campinas)26/07/2017, 14:00
DUNE, the DEEP Underground Neutrino Experiment, will be a groundbreaking experiment for long-baseline neutrino oscillation studies, and for neutrino astrophysics and nucleon decay searches. Planning of DUNE continues to proceed rapidly. The DUNE Far Detector will consist of four 10-kiloton fiducial volume modular liquid argon time-projection chambers (LArTPC) placed deep underground at the...
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Dr Jeanne Wilson (QMUL)26/07/2017, 14:00
The proposed Hyper-Kamiokande experiment (Hyper-K) is a next generation large water Cherenkov (WD) detector with a broad physics program consisting of neutrino beam measurements in search of leptonic CP violation, astrophysical measurements and a search for proton decay. Hyper-K will act as the far detector to measure the oscillated neutrino flux from the long-baseline beam of 0.6 GeV...
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Dr Biljana Lakic (Rudjer Boskovic Institute)26/07/2017, 14:15
International Axion Observatory (IAXO) is a new generation axion helioscope aiming to search for solar axions and axion-like particles (ALPs) with a signal to background ratio of about 5 orders of magnitude higher than the one achieved by currently the most sensitive axion helioscope, CAST. IAXO relies on large improvements in magnetic field volume and extensive use of x-ray focusing optics...
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Matthew Murdoch (Kavli IPMU, University of Tokyo)26/07/2017, 14:15
After more than 20 years of data taking and analysis, Super-Kamiokande (SK) will undergo a major upgrade through the addition of 0.2% gadolinium sulfate by mass to its ultra-pure water. This will allow the efficient detection of neutrons, giving access to new physics signals while improving sensitivity to existing ones.
While this upgrade promises many improvements, there were several...
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Lisa Whitehead (University of Houston)26/07/2017, 14:15
The Deep Underground Neutrino Experiment (DUNE) is a long-baseline neutrino oscillation experiment with primary physics goals of determining the neutrino mass hierarchy and measuring delta_CP with sufficient sensitivity to discover CP violation in neutrino oscillation. CP violation sensitivity in DUNE requires careful understanding of systematic uncertainty, with contributions expected from...
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Jaret Heise (SURF)26/07/2017, 14:15
The former Homestake gold mine in Lead, South Dakota, has been transformed into a dedicated facility to pursue underground research in rare-process physics, as well as offering unique research opportunities in other disciplines. The Sanford Underground Research Facility (SURF) includes two main campuses at the 4850-foot level (4300 m.w.e.) – the Davis Campus and the Ross Campus – that host a...
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Andrey Elagin (University of Chicago)26/07/2017, 14:30
By reconstructing the arrival position and time of photons produced in
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water or liquid scintillator on highly segmented fast photo-detectors one can
reconstruct tracks by using the `drift time' of photons, much as one does
with electrons in a Time Projection Chamber. I will present recent advances in event reconstruction techniques that are being developed in the context of a recently proposed... -
James Robert Sinclair (Universitaet Bern (CH))26/07/2017, 14:30
The reference design of the near detector for the LBNE/F experiment is a high-resolution Fine-Grained Tracker (FGT) capable of precisely measuring all four species of neutrinos. Other detector options under consideration are liquid-argon and gaseous-argon TPCs, as well as a hybrid between the detector concepts. The goal of the ND is to constrain the systematic errors below the corresponding...
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Raymond Bunker (Pacific Northwest National Laboratory)26/07/2017, 14:30
Dark matter constitutes over 80% of the matter in the Universe, but its composition remains one of the most profound mysteries in modern science. The Super Cryogenic Dark Matter Search at SNOLAB will use germanium and silicon ultra-high-resolution detectors to search for small energy depositions from galactic dark matter particles with masses below 10× the mass of the proton. Decay of radon...
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Atsushi Takeda (University of Tokyo)26/07/2017, 14:30
XMASS is multi-purpose experiment using a single phase liquid xenon technology located underground at Kamioka Observatory in Japan.
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XMASS-I detector aims mainly for direct detection of dark matter particles with 832 kg of liquid xenon.
The key idea to reduce the background at low energies in XMASS is to use liquid xenon itself as a shield. The clean core of the 832 kg liquid xenon volume is... -
Antonia Hubbard (Northwestern University)26/07/2017, 14:45
The Micro-X sounding rocket uses a Transition Edge Sensor (TES) array to make X-ray observations. The improved energy resolution of TESs compared to traditional space-based X-ray detectors brings new precision to both supernova remnant observations and the X-ray search for sterile neutrino dark matter. Current X-ray observations disagree over the potential presence of a 3.5 keV X-ray line...
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Dr Ian Lawson (SNOLAB)26/07/2017, 14:45
Experiments currently searching for dark matter and studying properties of neutrinos require very low levels of radioactive backgrounds both in their own construction materials and in the surrounding environment. These low background levels are required so that the current and next generation experiments can achieve the required sensitivities for their searches. This presentation will describe...
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26/07/2017, 14:45
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Simone Marcocci (Fermilab/Gran Sasso Science Institute)26/07/2017, 14:45
Borexino is a 300 tons sub-MeV liquid scintillator solar neutrino detector
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which has been running at the Laboratori Nazionali del Gran Sasso (Italy) since 2007.
Thanks to its unprecedented radiopurity, it was able to measure the
flux of 7Be, 8B, pp, and pep solar neutrinos and to detect geo-neutrinos. A reliable simulation of the detector is an invaluable tool for all the Borexino physics... -
Dr Chung-Lin SHAN (Xinjiang Astronomical Observatory, Chinese Academy of Sciences)26/07/2017, 15:30
In this talk, we discuss the effects of a non-negligible threshold energy on our model-independent methods developed for reconstructing WIMP properties by using measured recoil energies in direct Dark Matter detection experiments directly. Our expressions for reconstructing the mass and the (ratios between the) spin-independent and the spin-dependent WIMP-nucleon couplings have been modified....
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Yuuki Nakano (Kamioka Observatory)26/07/2017, 15:30
Super-Kamiokande (SK), a 50 kton water Cherenkov detector in Japan, is observing neutrinos and searching for proton decay and dark matter decays. The installation of new front-end electronics in 2008 marks the beginning of the 4th phase of SK (SK-IV). With the improvement of the water circulation system, calibration methods, reduction cuts, this phase achieved the lowest energy threshold thus...
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Paolo Prati (INFN - National Institute for Nuclear Physics)26/07/2017, 15:30
About 25 year ago LUNA (laboratory for Underground Nuclear Astrophysics) opened the era of underground nuclear astrophysics installing a home-made 50 kV ion accelerator under the Gran Sasso mountain. A second machine, with a terminal voltage of 400 kV, was then installed and it is still in operation. Most of the processes so far investigated were connected to the physics of solar neutrinos and...
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Dr Rajat K. Dey (University of North Bengal)26/07/2017, 15:31
This paper studies the influence of the Earth’s magnetic field on the extensive air shower particles generated by CORSIKA code. The effect causes an azimuthal asymmetry especially on positive and negative muons in highly inclined showers. This asymmetry is quantified by introducing a new observable in terms of a transverse distance (TD) between the positive and negative muon barycenters across...
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Xiaoping Wang (Johannes Gutenberg University Mainz)26/07/2017, 15:45
We consider dark matter models in which the mass splitting between the dark matter particles and their annihilation products is tiny. Compared to the previously proposed Forbidden Dark Matter scenario, the mass splittings we consider are much smaller, and are allowed to be either positive or negative. To emphasize this modification, we dub our scenario "Impeded Dark Matter". We demonstrate...
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Dr Henning Back (Pacific Northwest National Laboratory)26/07/2017, 15:45
The DarkSide-50 two-phase liquid argon (LAr) detector has been searching for weakly interacting massive particle (WIMP) dark matter for the past three years, and during the last two years has been successfully operating the detector with argon that was extracted from underground CO$_2$ wells in Cortez, Colorado in the US. This source of argon has been long shielded from cosmic rays entering...
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Hiroyuki Sekiya (University of Tokyo)26/07/2017, 15:45
Supernova explosions in our galaxy may be rare, but supernovae themselves are not. On average, there is one ccSN somewhere in the universe each second. The neutrinos emitted from all of these ccSN since the onset of stellar formation have suffused the universe. We refer to this thus-far unobserved flux as the “relic” supernova neutrinos.
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The flux of the supernova relic neutrinos is expected to... -
Prof. Zhen Cao (Institute of High Energy Physics)26/07/2017, 15:46
Light component (H&He) energy spectrum of 125 TeV - 3 PeV is measured by the ARGO-YBJ detector with a wide field-of-view imaging Cherenkov telescope.
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1.filling the gap between the direct observations of CREAM and the EAS xperiment, such as KASCADE;
2.The knee of (700±230_stat.±70_sys.) TeV is found with a significance of 4.2 sigma;
3.Spectra index: β_1=-2.56 ± 0.05 below the knee; β_2=-3.24 ±... -
Dr Jia Liu (Johannes Gutenberg University Mainz)26/07/2017, 16:00
Many theories of dark matter (DM) predict that DM particles can be captured by stars via scattering on ordinary matter. They subsequently condense into a DM core close to the center of the star and eventually annihilate. In this work, we trace DM capture and annihilation rates throughout the life of a massive star and show that this evolution culminates in an intense annihilation burst...
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Mr Edoardo Vitagliano (Max-Planck-Institut für Physik (Werner-Heisenberg-Institut))26/07/2017, 16:00
We calculate the solar neutrino and antineutrino flux in the keV energy range. The dominant thermal source processes are photo production (γe → eνν ̄), bremsstrahlung (e + Ze → Ze + e + νν ̄), plasmon decay (γ → νν ̄), and pair emission in free-bound and bound-bound transitions of partially ionized elements heavier than hydrogen and helium. To calculate the latter we use libraries of...
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Dr Johann Marton (Stefan Meyer Institute)26/07/2017, 16:00
In the VIP2 (VIolation of the Pauli Exlusion Principle) experiment at the Gran Sasso underground laboratory (LNGS) we are searching for possible violations of standard quantum mechanics predictions. With high precision we investigate the Pauli Exclusion Principle and the collapse of the wave function (collapse models). We will present our experimental method of searching for possible small...
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Dr Gabriele Bigongiari (INFN-Pisa)26/07/2017, 16:01
Calorimeters are the key detectors for future space based experiments focused on high-energy cosmic rays spectra measurements.
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Thus it is extremely important to optimize their geometrical design, granularity and absorption depth,with respect to the total mass of the apparatus, which is among the most important constraints for a space mission.
Calocube is a homogeneous calorimeter whose basic... -
Dr Takatomi Yano (Kobe University)26/07/2017, 16:15
Astroparticle Physics in Hyper-Kamiokande
The Hyper-Kamiokande is a next generation water Cherekov detector consisting of two tanks, each with 187 kton fiducial mass, to be built in a staged approach. The total fiducial mass will be nearly 20 times larger than the highly successful Super-Kamiokande while significantly improved photodetectors will be used with the same 40 % photocoverage. The...
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Dr Sebastian Wild (DESY)26/07/2017, 16:15
Dark matter particles interacting via the exchange of very light spin-0 mediators can have large self-interaction rates and obtain their relic abundance from thermal freeze-out. At the same time, these models face strong bounds from direct and indirect probes of dark matter as well as a number of constraints on the properties of the mediator. We investigate whether these constraints can be...
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Angela Di Virgilio26/07/2017, 16:15
GINGER (Gyroscopes IN General Relativity) is a proposal aiming at measuring the Lense-Thirring effect with an experiment based on Earth. It is an array of ring lasers, which are the most sensitive inertial sensors to measure the rotation rate of the Earth. GINGERino is a ring laser prototype installed inside the underground laboratory of Gran Sasso, it is aiming at understand whether the...
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Dr Yuta Michimura (University of Tokyo)26/07/2017, 16:16
KAGRA is a 3-km interferometric gravitational wave telescope, which is being built at the underground site of Kamioka mine in Gifu prefecture, Japan. It is the first km-scale interferometer constructed at a quiet and stable underground site to reduce seismic and Newtonian noise. Also, it will be the first km-scale interferometer to utilize cryogenic mirrors to reduce thermal noise.
The...
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Franco Giuliani (Shanghai Jiaotong University)26/07/2017, 16:30
There are a number of papers that calculate how the limits or positive results of current experiments would be if some specific twist is applied to the standard interpretation framework (e.g., SI interactions with f_p \neq f_n). These works are usually not performed by members of the experiments, and therefore make very simple assumptions on experimental details like efficiencies....
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Graham Giovanetti (Princeton)26/07/2017, 16:30
DarkSide-20k is a proposed 20 tonne fiducial mass liquid argon TPC that will perform an instrumental background-free search for WIMP dark matter. The TPC will be outfitted with more than 125,000 silicon photomultipliers (SiPM) grouped into 5210 single-channel, $25\ {\rm cm}^2$ photosensors that are sensitive to single photoelectrons. We will present the performance of the photosensor and...
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Amanda Weinstein (Iowa State University)26/07/2017, 16:30
The Deep Underground Neutrino Experiment (DUNE) experiment, a 40-kton underground liquid argon time-projection-chamber detector, will have unique sensitivity to the electron flavor component of a core-collapse supernova neutrino burst. We present expected capabilities of DUNE for measurements of neutrinos in the few-tens-of-MeV range relevant for supernova detection, and the corresponding...
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Antonino Chiummo (European Gravitational Observatory)26/07/2017, 16:31
The detection of a gravitational wave signal in September 2015 by LIGO interferometers, announced jointly by LIGO collaboration and Virgo collaboration in February 2016, opened a new era in Astrophysics and brought to the whole community a new way to look at - or "listen" to - the Universe. In this regard, the next big step will be the joint observation with at least three detectors at the...
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Vincent Bertin26/07/2017, 16:45
The ANTARES deep sea neutrino telescope, installed at the bottom of the Mediterranean Sea, has been continuously taking data for more than ten years. Thanks to its excellent angular resolution in both the muon channel and the cascade channel (included by all neutrino flavours), ANTARES offers unprecedented sensitivity for neutrino source searches in the Southern sky in the TeV-PeV energy...
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Dr Narendra Sahu (Indian Institute of Technology Hyderabad)26/07/2017, 16:45
The galaxy rotation curve, gravitational lensing and the existence of large scale structure imply that the present Universe is filled with a mysterious form of invisible matter, called “dark matter (DM)”, which is about 27% ( roughly 5 times of visible matter) of the total energy budget. Hitherto the existence of DM has been consolidated via its gravitational interaction in a cosmological...
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Boxiang Yu26/07/2017, 16:45
JUNO (Jiangmen Underground Neutrino observatory) will use 20 ktons high light yield, high transparency and low background Liquid Scintillator (LS). The purification of LS is very important work of JUNO construction. This talk introduced the status of the JUNO LS purification. The pilot plant of four purification systems (Al2O3 absorption, distillation, water extraction and steam stripping) was...
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26/07/2017, 16:46
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26/07/2017, 17:00
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Kenny Chun Yu Ng (Weizmann Institute of Science)26/07/2017, 17:00
As is well known, dark matter direct detection experiments will ultimately be limited by a "neutrino floor," due to the scattering of nuclei by MeV neutrinos from, e.g., nuclear fusion in the Sun. Here we point out the existence of a new "neutrino floor" that will similarly limit indirect detection with the Sun, due to high-energy neutrinos from cosmic-ray interactions with the solar...
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Dr Cecilia Lunardini (Arizona State University)26/07/2017, 17:00
A new estimate of the diffuse supernova neutrino background (DSNB) is presented, for scenarios with different core collapse rates and different distribution of black-hole forming collapses with the progenitor mass. The $\bar \nu_e$ component of the DSNB above 11 MeV of energy can be as large as $\phi \sim 3.7~{\rm cm^{-2} s^{-1}}$, and the contribution of black hole-forming collapses could...
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26/07/2017, 17:01
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Ranjan Laha (Stanford University)26/07/2017, 17:15
Dark matter decays or annihilations that produce line-like spectra may be smoking-gun signals. However, even such distinctive signatures can be mimicked by astrophysical or instrumental causes. We show that velocity spectroscopy-the measurement of energy shifts induced by relative motion of source and observer-can separate these three causes with minimal theoretical uncertainties. The...
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26/07/2017, 17:15
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Ara Ioannisyan (A.Alikhanyan National Laboratory (AM))26/07/2017, 17:15
We explore oscillations of the solar 8B neutrinos in the Earth in detail. The relative excess of night νe events (the Night-Day asymmetry) is computed as function of the neutrino energy and the nadir angle η of its trajectory. The finite energy resolution of the detector causes an important attenuation effect, while the layer-like structure of the Earth density leads to an interesting...
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26/07/2017, 17:16
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Gemma Testera (INFN e Universita Genova (IT))27/07/2017, 08:45
Solar neutrinos are a unique probe of the neutrino oscillation physics and of solar models. An overview of the solar neutrino flux prediction and of the current available results will be presented. The new experimental data about the measurement of the flux of low energy solar neutrinos obtained with the Borexino detector (LNGS) will be shown and discussed.
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Irene Tamborra27/07/2017, 09:15
Neutrinos are key particles in core-collapse supernovae. Intriguing recent developments on the role of neutrinos during the stellar collapse will be discussed, as well as our current understanding of the flavor conversions in the stellar envelope. Detection perspectives of the next galactic burst and of the diffuse supernova neutrino background will be also outlined.
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Prof. Manfred Lindner (Max Planck Institut fuer Kernphysik, Heidelberg, Germany)27/07/2017, 09:45Invited talk
The talk will cover the latest status and results for direct dark matter search with XENON1t and it will give an outlook on the planned improvements and upgrades.
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Ianni Aldo27/07/2017, 10:30Labs and Low Background
Deep Underground Laboratories (DULs) with an overburden larger than 1000 m.w.e. provide unique and multidisciplinary infrastructures to carry out mainly research on extremely rare phenomena such as neutrino interactions, interactions of hypothetical dark matter particles and neutrinoless double beta decay. However, geophysics and biology in extreme environments are also studied in DULs. In...
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Frank Calaprice (Princeton University)27/07/2017, 11:00
The detection of rare solar neutrino signals in deep underground laboratories has confronted background challenges for more than 50 years beginning with the famous Chlorine experiment. In this talk I will review the successful background strategies employed for solar neutrino measurements, up to the present, and will summarize related strategies for background suppression for direct...
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Jason Kumar27/07/2017, 11:30
We consider the use of directionality in the search for monoenergetic sub-GeV
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neutrinos arising from the decay of stopped kaons, which can be produced by dark matter annihilation in the core of the Sun. When these neutrinos undergo charged-current interactions with a nucleus at a neutrino detector, they often eject a proton which is highly peaked in the forward direction. The direction of this... -
Ralitsa Sharankova (Tokyo Institute of Technology)27/07/2017, 13:00
Double Chooz (DC) is a reactor neutrino oscillation experiment based at the Chooz nuclear power plant in Northern France. In 2011 DC was the first reactor neutrino experiment to report indication of non-zero $\theta_{13}$, the last unmeasured neutrino mixing angle of the PMNS matrix. This result was confirmed in 2012 by independent experiments. Before the completion in December 2014 of the...
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Ms Jhilik Majumdar (Doctoral Student, University of Hamburg)27/07/2017, 13:00
Axion like particles (ALPs) are fundamental pseudo particles with properties similar to Axions that have been involved to solve the strong CP problem in Quantum Chromodynamics. ALPs can oscillate into photons and vice versa in the presence of an external magnetic field. This oscillation of Photon and ALPs could have important implications for astronomical observations, i.e. a characteristic...
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Dr Michael Daniel (Harvard-Smithsonian Center for Astrophysics)27/07/2017, 13:00
The large datasets and often low signal-to-noise inherent to the raw data of modern astroparticle experiments calls out for increasingly sophisticated event classification techniques. Machine learning algorithms, such as neural networks, have the potential to outperform traditional analysis methods, but come with the major challenge of identifying reliably classified training samples from real...
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Rachel Carr (Massachusetts Institute of Technology)27/07/2017, 13:15
The sub-GeV spectrum of cosmic ray antinuclei is a largely unexplored hunting ground for products of dark matter decay or annihilation. Because the conventional astrophysical background is extremely low, detection of even a few antideuterons in this regime would be a strong hint of a dark matter source. Meanwhile, measuring the low-energy antiproton spectrum will constrain both dark matter...
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Dr Hoi Cheu (Laurentian Univeristy)27/07/2017, 13:15
This presentation will outline the basic rhetorical principles for successful translation of scientific ideas into public knowledge. It will specifically focus on the definition of humans as a “Story Species” and demonstrate the art of science communication by turning the neutrinoless double beta decay equation into an intelligent story.
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Seon-Hee Seo (Seoul National University)27/07/2017, 13:15
RENO (Reactor Experiment for Neutrino Oscillation) is the first reactor
neutrino experiment which began data-taking using both near and far detectors in 2011.The last unknown neutrino mixing angle theta_13 in the PMNS matrix was successfully
measured in 2012 by RENO using 220 days of data from 6 reactors in Yonggwang, Korea.
In 2015 RENO made the first measurement of |dm^2_ee| and obtained...
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Tyler August (Science North)27/07/2017, 13:30Contributed talk
This talk will briefly outline the educational importance of play, and how and why to apply hands-on interactive learning to astrophysics outreach, following lessons learned at Science North, a third-generation science center in Sudbury, Ontario. Applying these lessons outside of the science center context will also be discussed.
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Mr Martin Stref (Montpellier University)27/07/2017, 13:30
The AMS-02 experiment has recently released a new measurement of the cosmic-ray antiproton spectrum. Assuming that cold dark matter (CDM) is made of self-annihilating particles, the AMS-02 data can be used to constrain the annihilation cross section. It is known however that CDM structures itself on scales much smaller than typical galaxies. This structuring translates into a very large...
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Haoqi Lu (IHEP)27/07/2017, 13:30
The Daya Bay Reactor Neutrino Experiment utilizes three pairs of powerful nuclear reactors as anti-neutrino sources, and employes eight functionally identical detectors with large target volume for near-far relative measurement. The detectors were placed underground with mountains to provide enough shielding for cosmic rays induced background reduction.
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Now, the experiment has achieved... -
Joseph Andrew Bramante27/07/2017, 13:45
I will discuss how future measurements of infrared emission from nearby neutron stars can be used as a largely model-independent probe of dark matter interactions with Standard Model particles. This relies on a recently discovered effect that even non-annihilating dark matter has on old neutron stars. The resulting sensitivity to dark matter interactions would exceed the reach of many...
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Thomas Merritt27/07/2017, 13:45Contributed talk
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Dr Karsten Heeger (Yale)27/07/2017, 13:45
The PROSPECT experiment is designed to make a reactor model-independent search for short-baseline neutrino oscillations and measure the antineutrino spectrum associated with
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235U to high-precision. PROSPECT consists of a 4 ton highly-segmented
6Li-loaded liquid scintillator detector and will be operated at the High Flux Isotope Reactor (HFIR) at ORNL at baselines ranging from 7 to 12 m.... -
Rainer Dick (University of Saskatchewan)27/07/2017, 14:00
The Higgs can couple to SU(2)xU(1)xSU'(2)xU'(1) models in such a way that the diagonal vector-like SU(2)xU(1) corresponds to the electroweak gauge symmetry. This leads to a new class of Higgs portal dark matter models within reach of direct search experiments. I will introduce the corresponding dark matter models and their implications for direct search experiments. If time permits, I will...
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27/07/2017, 14:00
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Dr Zhimin WANG (Institute of High Energy Physics, Beijing)27/07/2017, 14:00
The Jiangmen Underground Neutrino Observatory (JUNO) is a multi-purpose underground experiment and the largest liquid scintillator (LS) detector going for neutrino mass hierarchy, precise neutrino oscillation parameter measurement and studies of other rare processes which include but not limited to solar neutrino, geo-neutrino, supernova neutrinos and the diffuse supernova neutrinos...
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Jonathan Cornell (McGill University)27/07/2017, 14:15
The wide range of probes of physics beyond the standard model (BSM) leads to the need for tools that combine experimental results to make the most robust possible statements about the validity of theories of new physics and the preferred regions of their parameter space. In this talk, I will introduce a new code for such analyses: GAMBIT, the Global and Modular BSM Inference Tool. GAMBIT is a...
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Michael Leyton (Universitat Autònoma de Barcelona (ES))27/07/2017, 14:15
The Earth is an anti-neutrino star, radiating more than 10$^{25}$ anti-neutrinos to space every second. This immense luminosity is fueled predominantly by the ß$^-$ decays of radiogenic isotopes in the Earth's crust and mantle. The anti-neutrinos produced by these decays, called geo-neutrinos due to their geophysical origin, give us important clues about the composition of the Earth's interior...
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Dr Marica Baldoncini (University of Ferrara - INFN)27/07/2017, 14:30
Thanks to an overburden of 6 km water equivalent and to a large mass of ultrapure liquid scintillator, the SNO+ detector is designed for performing low energy neutrino physics measurements and will address several fundamental physics goals, among which the study of geoneutrinos. The geoneutrino signal produced by U and Th distributed in the whole Earth’s mantle is comparable to that originated...
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27/07/2017, 14:30
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27/07/2017, 14:45
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Pilar Coloma (Fermilab)27/07/2017, 14:45
In presence of non-standard neutrino interactions the neutrino flavor evolution equation is affected by a degeneracy which leads to the so-called LMA-Dark solution. It requires a solar mixing angle in the second octant and implies an ambiguity in the neutrino mass ordering. In this work, we explore the possibilities for resolving this degeneracy using a combination of oscillation results with...
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Piotr Maciej Mijakowski (National Centre for Nuclear Research (PL))27/07/2017, 15:30
This work presents indirect searches for dark matter (DM) as WIMPs (Weakly Interacting Massive Particles) using atmospheric neutrino data of Super-Kamiokande-I,-II,–III and -IV (1996-2016). The latest results of the search for WIMP-induced neutrinos from the Sun, the Earth’s core and the Milky Way are discussed.
We search for an excess of neutrinos as compared to the expected level of...
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Matteo De Gerone (INFN - National Institute for Nuclear Physics)27/07/2017, 15:30
The HOLMES project aims to directly measure the electron neutrino mass using the electron capture decay (EC) of 163Ho down to the eV scale. It will perform a precise measurement of the end-point of the 163Ho calorimetric energy spectrum to search for the deformation caused by a finite electron neutrino mass. The choice of 163Ho as source is driven by the very low Q-value of the EC reaction...
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Luis MANZANILLAS (Laboratoire de l'Accélérateur Linéaire (LAL))27/07/2017, 15:30
The neutrino spectra and flux were reevaluated during the preparation of the current experiments devoted to the measurement of $\theta_{13}$. Some discrepancies between data and the theoretical predictions in some neutrino experiments at short distances were observed when using the new predicted flux and spectra. This problem has been called the Reactor Antineutrino Anomaly (RAA), which...
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Janina Hakenmüller (Max-Planck-Institut für Kernphysik)27/07/2017, 15:45
The newly established CONUS ($\bf CO$herent $\bf N$e$\bf U$trino Nucleus $\bf S$cattering) project by the Max-Planck-Institut für Kernphysik (MPIK), Heidelberg, will be presented. The project aims at detecting coherent elastic neutrino nucleus scattering (CE$\nu$NS) with high-purity Germanium (Ge) detectors with an extremely low threshold, surrounded by an elaborated shield and exposed to a...
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Morten Medici27/07/2017, 15:45
The IceCube Neutrino Observatory searches for a neutrino signal from dark matter self-annihilations in the Sun, the Earth, and the halo of the Milky Way among other targets. The signal neutrinos are identified as events with reconstructed energies and arrival directions that correspond to the distribution expected in dark matter self-annihilations. The latest results from IceCube will be...
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Mr Thierry Lasserre (CEA)27/07/2017, 15:45
The CeSOX experiment will search for light sterile neutrinos with an intense 144Ce-144Pr antineutrino generator deployed next to the Borexino detector located at the Laboratory Nazionali del Gran Sasso. Data taking is expected to start during spring 2018.
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James Thomas Linnemann (Michigan State University (US))27/07/2017, 16:00
The High Altitude Water Cherenkov (HAWC) gamma-ray observatory is a continuously operated, wide field-of-view (FOV) observatory sensitive to 100 GeV - 100 TeV gamma rays and cosmic rays. HAWC has been making observations since summer 2012 and officially commenced data-taking operations with the full detector in March 2015. With a FOV of 2 steradians, HAWC observes 2/3 of the sky in 24 hours...
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Dr Yury Shitov (Imperial)27/07/2017, 16:00
The main goal of the DANSS project is to probe SBL reactor antineutrino
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oscillations to the sterile state with a compact cubic meter highly
segmented neutrino spectrometer made of 2500 plastic scintillator strips
(100 x 4 x 1 cm^3) covered with gadolinium loaded reflective coating and
read out by 2500 SiPMs and 50 PMTs via WLS-fibers. The DANSS detector has
been built under a 3 GW commercial... -
Mathieu Guigue (PNNL)27/07/2017, 16:00
The Project 8 collaboration aims to measure the absolute neutrino mass scale using cyclotron radiation emission spectroscopy on the beta decays of tritium. The second phase of the project will measure a continuous spectrum of molecular tritium beta decays and extract the tritium endpoint value with an eV or sub-eV scale precision. Monoenergetic electrons emitted by gaseous $^{83\mathrm{m}}$Kr...
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Alexis Aguilar-Arevalo (Instituto de Ciencias Nucleares, UNAM)27/07/2017, 16:15
In a dedicated run where protons from the Fermilab Booster were
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delivered directly to the steel beam dump of the Booster Neutrino
Beamline, the MiniBooNE detector was used to search for the
production of dark matter particles via vector-boson mediators,
as predicted by vector portal models of dark matter. In the
scenario that was considered, the interactions of the dark matter
particles are... -
Dr Robert Svoboda (UC Davis)27/07/2017, 16:15
The Accelerator Neutrino Neutron Interaction Experiment (ANNIE) has two main goals: (1) a precision measurement of final state neutron multiplicity in neutrino interactions as a function of momentum transfer in the range of 0.5-1.5 GeV, and (2) first deployment and performance characterization of Large Area Picosecond Photo Detectors (LAPPDs) for use in future neutrino experiments. ANNIE Phase...
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Stefan Schoppmann (Max-Planck-Institut für Kernphysik)27/07/2017, 16:15
In the recent years, major milestones in neutrino physics were accomplished at nuclear reactors: the smallest neutrino mixing angle $\theta_{13}$ was determined with high precision and the emitted antineutrino spectrum was measured at unprecedented resolution. However, two anomalies, the first one related to the absolute flux and the second one to the spectral shape, have yet to be solved. The...
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27/07/2017, 16:30
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Dr Ninetta Saviano (THEP, Mainz University)27/07/2017, 16:30
It has been recently speculated that new “secret” interactions among sterile neutrinos, mediated by a gauge boson X, can inhibit or suppress the sterile neutrino thermalization, due to the production of a large matter potential term in the flavour evolution equation for the active-sterile system.
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In this way it would be possible to relieve the tension among laboratory sterile neutrinos... -
Leon Pickard (UC Davis)27/07/2017, 16:30
Theia is a proposed multipurpose 50kT water-based liquid scintillator (WbLS) detector that aims to use the latest high precision photodetectors. WbLS is a novel scintillation medium that combines the high light yield and low-energy threshold properties of liquid scintillation, with the directionality and low attenuation length of water. This talk will discuss the principles of WbLS, ongoing...
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27/07/2017, 16:45
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Jack Elvin-Poole (University of Manchester)27/07/2017, 16:45
A light sterile neutrino that mixes with the active states has been proposed to explain anomalies in short baseline neutrino oscillation data. Constraints on the mass and mixing parameters are usually presented by showing results from complementary neutrino oscillation experiments. However, measurements of the Cosmic Microwave Background, most recently by the Planck satellite, constrain the...
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Mr Teal Pershing (The WATCHMAN Collaboration, UC Davis)27/07/2017, 16:45
The emission of antineutrinos from fission products in nuclear reactors offers a path to discover, monitor, or exclude the existence of reactors at distances of tens to hundreds of kilometers. The WATCHMAN (WATer Cherenkov Monitor of AntiNeutrinos) experiment is a proposed kiloton volume gadolinium-doped water Cherenkov detector designed to demonstrate this capability. Antineutrinos are...
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27/07/2017, 17:00
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27/07/2017, 17:00
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Dr Kimihiro Okumura (ICRR, Univ. of Tokyo)27/07/2017, 17:00
Super-Kamiokande (SK) is a 50 kilotonne water Cherenkov detector aiming for the detection of several physics such as solar, atmospheric, astrophysical neutrinos, proton decay, WIMP dark matter, etc. It has been running over 20 years since 1996, and achieved several remarkable outcomes in the field of the particle and astrophysics, one of which is the discovery of the neutrino oscillation,...
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Jannik Hofestädt (ECAP)27/07/2017, 17:15
ORCA is the low-energy branch of KM3NeT, the next-generation underwater Cherenkov neutrino detector currently being built in the Mediterranean Sea. The detector will be used to determine the neutrino mass hierarchy, i.e. whether the third mass eigenstate is heavier or lighter than the other two states.
Atmospheric neutrinos traversing the Earth are affected by matter effects, which lead to...
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27/07/2017, 17:15
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27/07/2017, 17:15
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Olivero Cremosi28/07/2017, 09:00
The Cryogenic Underground Observatory for Rare Events (CUORE) is the first bolometric experiment searching for neutrinoless double beta decay that has been able to reach the 1-ton scale. The detector consists of an array of 988 TeO2 crystals arranged in a cylindrical compact structure of 19 towers. The construction of the experiment and, in particular, the installation of all towers in the...
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Jan Hamann28/07/2017, 09:20
I will present an (entirely subjective) overview of the current status of cosmology, followed by a discussion of what we can expect in the coming years.
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Douglas Cowen (Pennsylvania State University)28/07/2017, 09:50
The realization of multimessenger astrophysics will open up a new field of exploration of the most energetic phenomena in the universe. Astrophysical messengers associated with each of the four fundamental forces reach detectors buried deep underground or underwater, spread across wide swaths of land, and orbiting high above us in space. Detecting coincident signals amongst these experiments...
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Caio Licciardo28/07/2017, 10:50Invited talk
The EXO-200 experiment has made both the first observation of the double beta decay in Xe-136 and the most precisely measured half-life of any two-neutrino double beta decay to date. Consisting of an extremely low-background time projection chamber filled with ~150 kg of enriched liquid Xe-136, it has provided one of the most sensitive searches for the neutrinoless double beta decay using the...
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Ms Dimpal Chauhan (Queen's University), Mr Oleg Chkvorets (Laurentian University)
SNO+ is a multipurpose neutrino physics experiment, located 2 kilometers underground in the SNOLAB facility in Sudbury, Canada. It is the successor of the SNO experiment, replacing the heavy water in the Acrylic vessel (AV) with 780 tonnes of liquid scintillator, Linear Alkyl Benzene (LAB). The AV is surrounded by 7000 tons of ultrapure light water, which shields the detector from naturally...
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Dr Zara Bagdasarian (Forschungszentrum Jülich)
Borexino experiment is located at the Laboratori Nazionali del Gran Sasso (LNGS) in Italy, and its primary goal is detecting solar neutrinos, in particular those below 2 MeV, with unprecedentedly high sensitivity. Its technical distinctive feature is the ultra-low radioactive background of the inner scintillating core, which is the basis of the outstanding achievements obtained by the...
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Ernesto Kemp (University of Campinas)
For the next generation of large neutrino detectors the Liquid Argon Time Projection Chambers (LArTPCs) are the best choice for optimal perfomance in particle tracking and calorimetry. The detection of Ar scintillation light plays a crucial role in the event reconstruction as well as time reference for non beam physics such as supernovae neutrinos detection and baryon number violation studies....
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John Orrell (Pacific Northwest National Laboratory)
The nEXO Collaboration is developing a tonne-scale neutrinoless double beta decay experiment employing an enriched $^{136}$Xe target. The enriched liquid xenon is operated as a time projection chamber (TPC) providing event timing and position reconstruction. The goal is to search for excess events at the 2458 keV end-point of the $^{136}$Xe double beta-decay energy spectrum. An event excess at...
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Dr Stephan Scholl (Kepler Center for Astro and Particle Physics, Eberhard Karls Universitaet Tuebingen)
The ECHo experiment is designed to measure the $^{163}$Ho electron capture decay spectrum up to its endpoint at $2.833\,keV$.
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Such a measurement offers great potential to reach sub-$eV$ sensitivity on the absolute electron neutrino mass $m_{\nu_{e}}$.
A crucial aspect in this effort is the thorough understanding of the low energy background to experiment below $3\,keV$ and its reduction.... -
Dr Laura Collica (INFN Milano)
The SOX experiment aims to investigate possible anomalous oscillatory behavior in neutrinos, including the existence of sterile neutrinos, by exploiting the very low radioactive background of the Borexino detector. A calibration campaign is crucial to achieve a deeper understanding of the energy response and the spatial reconstruction accuracies of the detector. It will be performed with a...
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Mr Oliver Rest (Westfälische Wilhelms-Universität Münster)
The KATRIN (KArlsruhe TRitium Neutrino-) experiment will measure the endpoint region of the tritium-$\beta$-decay spectrum to determine the neutrino mass with a sensitivity of 0.2$\thinspace$eV/c$^2$. To achieve this sub-eV sensitivity the energy of the decay electrons will be analyzed using a $\mbox{MAC-E-filter}$ type spectrometer. The retarding potential of the MAC-E-filter of $\mbox{-18.6...
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Surajit Chattopadhyay
The present paper reports a study on modified Chaplygin gas (MCG) based reconstruction scheme for extended holographic Ricci dark energy (EHRDE) in the presence of viscous type dissipative term. The dissipative effect has been described by using Eckart approach. Under the assumption that the universe is filled with MCG-EHRDE under the influence of bulk viscosity we have studied the...
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Eleanor Fascione (Queen's University)
The Super Cryogenic Dark Matter Search (SuperCMDS) experiment uses state-of-the-art cryogenic germanium detectors designed to detect Weakly Interacting Massive Particles (WIMPs). WIMPs are a class of candidate particles for the elusive dark matter, which constitutes approximately 27% of the Universe. The CDMS Low Ionization Threshold Experiment (CDMSlite) used a modified operational mode,...
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William Thompson (Yale University)
COSINE-100, a direct detection WIMP dark matter search, is using 106 kg of NaI(Tl) crystals to definitively test the DAMA collaboration’s claim of WIMP discovery. Despite astrophysical considerations indicating that dark matter constitutes approximately 27% of the energy content of the universe, only the DAMA collaboration claims to have observed dark matter. This observation is in the form of...
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Wolfgang Rau
The excellent energy resolution and low threshold of cryogenic detectors have brought them to the forefront of the search for low-mass WIMPs (Weakly Interacting Massive Particles). The next generation of large cryogenic detectors for dark matter search promises further improvements in sensitivity, yet it is difficult and in some cases impossible to test and fully characterize these detectors...
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Dr Jordan Myslik (Lawrence Berkeley National Laboratory)
The MAJORANA DEMONSTRATOR is an experiment constructed to search for neutrinoless double-beta decays in germanium-76 and to demonstrate the feasibility to deploy a large-scale experiment in a phased and modular fashion. It consists of two modular arrays of natural and 76Ge-enriched germanium detectors totalling 44.1 kg, located at the 4850' level of the Sanford Underground Research Facility in...
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Silvia Caprioli (University of Milan and INFN)
The Borexino experiment at the INFN Gran Sasso Laboratory is following a rich solar neutrino physics program. The Borexino most recent results are the precise measurements of the $^7$Be, pep and pp solar neutrino fluxes as well as the observation of season modulation of the $^7$Be solar neutrino rate. These results were derived from the so-called Borexino Phase-II data (i.e. data collected...
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Gersende Prior (LIP), Kalpana Singh (University of Alberta)
The SNO+ detector main physics goal is the search for neutrinoless double-beta decay, a rare process which if detected, will prove the Majorana nature of the neutrinos and provide information on the absolute scale of the neutrino absolute mass. Additional physics goals of SNO+ include the study of solar neutrinos, anti-neutrinos from nuclear reactors and the Earth's natural radioactivity as...
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Anna Reine (University of North Carolina at Chapel Hill), Christopher Haufe (University of North Carolina at Chapel Hill)
The MAJORANA DEMONSTRATOR is an experiment constructed to search for neutrinoless double-beta decays in germanium-76 and to demonstrate the feasibility to deploy a large-scale experiment in a phased and modular fashion. It consists of two modular arrays of natural and 76Ge-enriched germanium p-type point contact detectors totaling 44.1 kg, located at the 4850' level of the Sanford Underground...
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Dr Fausto Casaburo (University La Sapienza)
\lettrine[nindent=0em,lines=3]{D}iscovered by Hess during some experiments about air ionization, cosmic rays are constituted by particles coming from the space. In the past, cosmic rays allowed the development of Particle Physics; indeed, thanks to their high energy not achievable in laboratories, they enabled new particles discovery. Today, interest about this radiation concerns both...
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Dr Khaled Ibrahim (Al Jouf University)
The accredited contemporary theories to describe the universe are not complete or accurate to understand the structure of the universe matter and the nature of the energies. It failed to interpret many phenomena as how a particle affects another with electrical, magnetic, or gravitational force without physical contact. It does not give a meaning of how the space is curved around the stars,...
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Thierry Lasserre (CEA)
We investigate a new method to search for keV-scale sterile neutrinos that could account for Dark Matter. Neutrinos trapped in our galaxy could be captured on stable 163Dy if their mass is greater than 2.83 keV. Two experimental realizations are studied, an integral counting of 163Ho atoms in dysprosium-rich ores and a real-time measurement of the emerging electron spectrum in a...
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Carlo Giunti (INFN - National Institute for Nuclear Physics), Konstantin Kouzakov (Lomonosov Moscow State University), Alexander Studenikin (Moscow State University)
Electromagnetic properties of massive neutrinos [1,2] and their effects on neutrino oscillation phenomena are brought into focus. The searches for neutrino millicharges, charge radii and magnetic moments in astrophysics and laboratory measurements are outlined [2,3]. Prospects of probing these neutrino characteristics with JUNO are discussed.
[1] C. Giunti and A. Studenikin, *Neutrino...
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Konstantin Kouzakov (Lomonosov Moscow State University), Alexander Studenikin
In the standard model neutrinos are massless left-handed fermions which very weakly interact with matter via exchange of the W and Z0 bosons. The development of our knowledge about neutrino masses and mixing provides a basis for exploring neutrino properties and interactions beyond the standard model (BSM). In this respect, the study of nonvanishing electromagnetic characteristics of massive...
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Ms Olga Babintceva (JSC Isotope, ROSATOM, Russia)
The increased demand of scientific collaborations for large quantities of enriched isotopes is a growing trend and shall be taken seriously by the global suppliers of isotope products. This trend opens up new opportunities for scientists to bring their experiments to a higher level.
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Speaking of the next generation of low-background experiments it is important to focus on 3 key factors... -
Mr Khalykbek Yelshibekov (Student)
Horizon-T (HT) is a newly completed (Oct. 2016) innovative detector system constructed to Extensive Air Showers (EAS) in the energy range above ~10^16 eV coming from a wide range of zenith angles (0o - 80o). The system is located at Tien Shan high-altitude Science Station of Lebedev Physical Institute of the Russian Academy of Sciences at approximately 3340 meters above the sea level. It...
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Dr Oliviero Cremonesi
The Cryogenic Underground Observatory for Rare Events (CUORE)
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is the first bolometric experiment searching for neutrinoless double
beta decay that has been able to reach the 1-ton scale. The detector
consists of an array of 988 TeO2 crystals arranged in a cylindrical
compact structure of 19 towers. The construction of the experiment and,
in particular, the installation of all towers in... -
Mr Xuefeng Ding (Gran Sasso Science Insitute (INFN))
A spectral fitter based on the graphics processor unit (GPU) has been developed for Borexino’s solar neutrino analysis. It is able to shorten the fitting time to a superior level compared to the CPU fitting procedure. In Borexino solar neutrino spectral analysis, fitting usually requires around one hour to converge since it includes time-consuming convolutions in order to account for the...
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Sam Meijer (University of North Carolina)
The MAJORANA DEMONSTRATOR is a neutrinoless double-beta decay experiment using high purity p-type point contact germanium detectors. The waveforms produced in these detectors exhibit subtle variations related to the detailed energy deposition and drift path information for each event. In addition, the waveforms depend sensitively on crystal impurity levels, temperature, and operating voltage....
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Ka Ming Tsui (RCCN, ICRR, University of Tokyo)
Super-Kamiokande Gadolinium (SK-Gd) project is an upgrade proposed to the SK detector by dissolving a Gd-compound into the detector water. With this upgrade, electron antineutrino events can be efficiently identified by tagging the 8 MeV gamma cascade emitted by a neutron capture on Gd. Utilizing this technique, we are aiming to make the first observation of the supernova relic neutrinos, as...
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Jeremy Cushman (Yale University)
CUORE (Cryogenic Underground Observatory for Rare Events) is an array of 988 TeO$_{2}$ bolometers arranged in 19 towers with a total active mass of 742 kg located at the Laboratori Nazionali del Gran Sasso (LNGS) in Italy. The primary purpose of CUORE is to search for the neutrinoless double beta decay of $^{130}$Te, which if observed, would establish the Majorana nature of neutrinos as well...
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Alexey Lokhov (INR RAS), Fyodor Tkachov (INR RAS)
We consider the construction of interval estimates for the parameters with one-sided constraints. We show that the so-called method of sensitivity limit yields a correct solution of the problem [1]. Derived are the solutions for the cases of a continuous distribution with non-negative estimated parameter and a discrete distribution, specifically a Poisson process with background. For both...
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Dr Caio Licciardi (Carleton University)
The EXO-200 experiment has made both the first observation of the double beta decay in Xe-136 and the most precisely measured half-life of any two-neutrino double beta decay to date. Consisting of an extremely low-background time projection chamber filled with ~150 kg of enriched liquid Xe-136, it has provided one of the most sensitive searches for the neutrinoless double beta decay using the...
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Dr Oleg Chkvorets (SNOLAB)
Tin-124 is one of the double beta decay isotopes where no measurement of the double neutrino decay rate has been performed. The abundance of the isotope is 5.79%, fairly low, however it can be compensated for by the high loading potential of the natural isotope up to 10% into liquid scintillator without light quenching. This work presents results of LAB based Tin loaded liquid scintillator...
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Dr Takashi Iida (University of Tsukuba)
Detection of dark matter and double beta decay are ones of the most important issues in the present astro-particle physics and reveal the history of our universe. Inorganic scintillator detector, such as NaI(Tl) scintillator, is one of the major techniques for direct dark matter search. In addition, inorganic scintillator including double beta decay isotope can be used for double beta decay...
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Mr Konstantin Stankevich (student)
The origin of neutrino oscillations phenomena emerges due to coherent superposition of different neutrino states. Such superposition can be destroyed by quantum decoherence that appears from entanglement of neutrino with environment. This quantum decoherence can cause suppression of different neutrino oscillations. In this work we study suppression of neutrino-antineutrino oscillations as a...
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Mr Artem Popov (master's degree student at Department of Theoretical Physics of Moscow State University), Mr Pavel Pustoshny (master's degree student at Department of Theoretical Physics of Moscow State University)
It was shown for the first time in [1] that neutrino spin (or spin-flavor) precession can be engendered not only by neutrino interaction with the transversal magnetic field but also by neutrino interaction with matter in the case when there is a transversal matter current or matter polarization. The generalized Bargmann-Michel-Telegdi equation [2-4] for description of the neutrino spin...
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81. New results from CUORE-0: double beta decay to excited states and low energy rare event searchesKe Han (Shanghai Jiao Tong University)
CUORE (Cryogenic Underground Observatory for Rare Events) is an array of 988 TeO2 bolometers to search for the neutrinoless double beta decay (NDBD) of 130Te. CUORE-0, the first CUORE-style detector with 1/19 of the mass was taking data from 2013 to 2015. Besides producing the world-leading 130Te NDBD half-life limits, CUORE-0 is also suitable for searching for 130Te double beta decay to...
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Contributed talk
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Mr Miaotianzi Jin (Northwestern University)
Due to lack of event-by-event energy resolution, the nuclear recoil calibration for PICO bubble chambers is much harder than other direct detection methods. In order to overcome this innate problem of threshold detector, PICO collaboration has taken multiple set of neutron calibration data with different energy spectrum in order to unfold the true nuclear recoil efficiency. In this talk I'll...
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Mr Edilberto Aguilar Ruiz (Instituto de Astronomía UNAM)
Ultra-high-energy cosmic ray (UHECR) detections could give an indirect signal of PeV neutrino emission. Recently, Pierre Auger observatory reported the distribution of arrival directions of the highest energy cosmic rays. These events were collected in 10 years of operations with declinations between -90◦
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and +45◦. The IceCube neutrino telescope reported the detection of 54 extraterrestrial... -
Dr Usman Chowdhury (SNOLAB)
The evidences of large amount of missing-mass (or dark matter) in the universe are multiple. The widely accepted hypothesis is, that the particles that carry the missing mass are Weakly Interacting (and) Massive Particles (WIMP). In the experimental efforts of the direct detection of WIMPs, alpha, beta and gamma radiations are the primary sources of background that experiments are continuously...
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Florian Heizmann (KIT)
The KArlsruhe TRItium Neutrino (KATRIN) experiment - currently in its final construction and commissioning phase at the Karlsruhe Institute of Technology (KIT) - will determine the neutrino mass with an unprecedented sensitivity of 200 meV at 90% C.L. by high-precision tritium beta-decay spectroscopy. Its unique high-intensity tritium source opens up the possibility to search for the elusive...
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Dr Xue Tao (Tsinghua University)
CDEX (China Dark Matter Experiment) is now upgraded to about 10Kg HPGe (High Purity Germanium) detectors and the new suitable dedicated readout electronics is on demand. The readout system is interfaced to the front preamplifiers, which has three “slow” outputs with typical 20uS shaping time and one “fast” output with typical 200nS shaping time. The 8 channels 14-Bits 100MSPS FADC and 2...
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Thomas Gilliss (University of North Carolina at Chapel Hill)
The MAJORANA DEMONSTRATOR is a $^{76}$Ge-based neutrinoless double-beta decay ($0\nu\beta\beta$) experiment. Staged at the 4850’ level of the Sanford Underground Research Facility, the DEMONSTRATOR operates an array of high-purity p-type point contact Ge detectors deployed within a graded passive shield and an active muon veto system. The present work concerns the two-neutrino double-beta...
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Mr satish malhotra (free lance researcher, no affiliation)
In the history of physics, ideas on space and time have changed the course of physics a number of times; this is another such event. This time, we postulate ‘space and time’ as a flow of quantum gravity energy, having the absolute velocity c (same as velocity of light), where time is the delay in the spread of space (delay from infinite velocity flow, when there would be no time), such a flow...
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Dr Richard Saldanha (Pacific Northwest National Laboratory)
Time Projection Chambers (TPCs) are widely used in particle physics experiments, with noble element targets currently being used to search for neutrino-less double beta decay, look for interactions of dark matter, and characterize the properties of neutrino oscillations. In order to further improve the sensitivity of these experiments, the next generation of proposed TPC detectors will contain...
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Chelsea Bartram (UNC Chapel Hill)
We search for CPT-violating correlations between gamma rays in the decay of ortho-positronium (o-Ps) with CALIOPE, or CPT Aberrant Leptons in o-Ps Experiment. Using a tagged source
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flush against a cylindrical piece of aerogel, we generate positronium at the center of an annular array of 24 NaI(Tl) bars. We present the capabilities of the DAQ, which uses QDCs and TDCs to record the charge... -
Dr Ian Coulter (University of Pennsylvania), Kevin Labe (University of Chicago)
SNO+ is a multipurpose, large-scale neutrino experiment located deep underground in Sudbury, Ontario, whose aims include studies of neutrinoless double beta decay, solar neutrinos, reactor neutrinos and other more exotic physics. SNO+ is currently taking data in its initial water-fill phase, which will be used to commission upgrades to the electronics and calibration sources. During this...
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Davide Basilico
The SOX experiment aims to test the hypothesis of existence of sterile neutrinos with $\Delta m^2 \sim \mathrm{eV^2}$ through a short baseline (distance $\sim 10 \, \mathrm m$) disappearance experiment performed with the liquid scintillator detector Borexino. The SOX experiment will detect MeV-energy electron anti-neutrinos, produced by an intense source of $\mathrm{^{144}Ce - ^{144}Pr}$...
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Ryan Bayes (University of Glasgow)
The SNO+ experiment has a varied neutrino physics program that
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includes a neutrino-less double beta decay experiment in addition to
reactor, solar, and geoneutrino measurements. SNO+ uses the
architecture of SNO, using an acrylic vessel filled with scintillator
as its neutrino target suspended in a water volume. At this time data
is being collected with the acrylic vessel filled with water... -
Dr Alexander Grigoriev (Department of Theoretical Physics, Moscow State University)
The Spin Light of Neutrino (SLnu) is a magnetic moment electromagnetic radiation of a massive neutrino moving under the influence of external conditions (matter or external fields) [1]. The effect, being proportional to the second power of the neutrino magnetic moment, is very faint for the moderate neutrino energies. However it has a strong energy dependence and in the light of the recent...
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Ka Ming Tsui (RCCN, ICRR, University of Tokyo)
T2K (Tokai-to-Kamioka) is a long-baseline accelerator neutrino experiment in Japan. The physics program is focused on the study of neutrino oscillations. For the oscillation analysis, events induced by a generated neutrino beam are measured in a set of detectors close to the beam source and compared with observations of beam-induced events in a far detector (Super-Kamiokande) at a distance of...
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Christoph Genster (Forschungszentrum Jülich)
The Jiangmen Underground Neutrino Observatory (JUNO) is a 20 kt liquid scintillator detector. Its main goal is the determination of the neutrino mass hierarchy with neutrinos from two nuclear power plants at 53 km baseline. Fast and effective muon tracking is essential for the veto of atmospheric muons and the cosmogenic background they produce as well as the detection of atmospheric muon...
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Prof. Rajiv Kumar
The effect of solar features on geospheric conditions leading to geomagnetic storms(GMSs)with Dst index Dst ≤ -100nT has been investigated using interplanetary magnetic field(IMF),solar wind data(SWP) and solar geophysical data with CMEs that erupted between 1999 and 2010, all 51 events were considered .The study investigated the relationship coronal mass ejection (CME) and their influence...
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Clarence Virtue (Laurentian University)
At the end of a massive star's life, a violent explosion known as a supernova occurs and releases 99% of the star's gravitational binding energy in the form of neutrinos. Although the explosion generates a huge burst of neutrinos, the large distance to earthbound detectors, low cross sections, and flavour changing oscillations can make detection and analysis challenging. Only one neutrino...
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Dr Nicoletta Mauri (INFN, Bologna)
Euclid is an ESA mission designed to explore the dark side of the Universe and to understand the nature of the dark energy responsible for the accelerated expansion of the Universe. Its objective is to map the geometry of the dark Universe by investigating the distance-redshift relationship and the evolution of cosmic structures.
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By measuring two cosmological probes simultaneously, the Weak... -
Dr Beatrice Panico (INFN - National Institute for Nuclear Physics)Poster
The High-Energy Particle Detector (HEPD) is one of the payloads of the CSES space mission. The HEPD is built by the Italian “Limadou” collaboration and has different goals. It will study the temporal stability of the inner Van Allen radiation belts, the precipitation of trapped particles in the atmosphere and the low energy component of the cosmic rays (5 - 100 MeV for electrons and 15 - 300...
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Dr Lea Di Noto (Istituto Nazionale Fisica Nucleare Sez. Genova)
The SOX (Short distance neutrino Oscillations with BoreXino) experiment aims to confirm or confute the eV mass sterile neutrino hypothesis by the standard disappearance technique and possibly by the direct observation of the oscillation pattern. Both the measurements will be performed with a very intense (5 PBq) 144Ce-144Pr antineutrino source placed under the large scale and very low...
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Prof. Yuekun Heng (IHEP，Beijing)
Abstract
Jiangmen Underground Neutrino Observatory (JUNO) is under construction in Southern China which aims to measure the neutrino mass hierarchy and neutrino oscillation parameters using primarily the reactor neutrinos from two nearby nuclear power plants 53km away. JUNO’s central detector is designed to measures reactor antineutrinos via inverse beta decay with 20k tons of liquid...
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Prof. Isuf Guri (Kristal University)
I will talk about the following calculations: The mass of the core of universe: 1.44 • 10 raised to the power of 59 kg. The mass of the galaxies of universe: 1.44 • 10 raised to the power of 56 kg. The mass of the stars of universe: 8 • 10 raised to the power of 52kg. The radiating energy of the Core of Universe: 3 • 10 raised to the power of 56watt
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Prof. Ryan MacLellan (University of South Dakota)
The two neutrino double-beta decay of $^{136}$Xe, with a half-life of $2.165\pm0.016\text{(stat.)}\pm0.059\text{(syst.)}\times10^{21}$y, is among the rarest nuclear processes ever directly observed. The hypothesized neutrinoless double-beta decay of $^{136}$Xe, which nEXO aims to observe, is expected to be that much rarer, with a half-life of at least $1\times10^{26}$y at 90% C.L. Sufficient...
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Dr Ben Loer (Pacific Northwest National Lab)
The PICO collaboration employs bubble chambers to search for direct interactions with dark matter particles. The operating parameters of these detectors can be tuned so that they are almost completely insensitive to gamma rays and other near-minimum-ionizing radiation that is the main background for most dark matter detectors. PICO 40, the next generation detector, will incorporate several...
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Raimund Strauss
We investigate new gram-scale cryogenic detectors, 1-2 orders of magnitude smaller in size than previous devices. These are expected to reach unprecedentedly low energy thresholds, in the 10 eV-regime and below. This technology allows new approaches in rare-event searches, including the search for MeV-scale dark matter, detection of solar neutrinos and a rapid discovery of coherent...
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Dr Enis Yazıcı
In order to understand the nature of strong interactions and QCD vacuum, investigation of the meson coupling constants have animportant role. The knowledge on the temperature dependence of the formfactors is very important for the interpretation of heavy-ioncollision experiments. Also, more accurate determination of these coupling constants plays acrucial role in understanding of the hadronic...
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Dr David Bravo Berguño (INFN Milano)
The Borexino liquid scintillator neutrino observatory is set to perform the first direct, high-precision, wideband solar neutrino spectroscopy of the solar neutrino spectrum’s main components, including improving the knowledge of the CNO $\nu$ flux. Additionally, its next-generation short-baseline $^{144}$Ce-$^{144}$Pr $\overline{\nu}_e$ source program (CeSOX) intends to unambiguously measure...
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Dr Beatrice Panico (INFN - National Institute for Nuclear Physics)
The energy spectra of galactic cosmic rays carry fundamental information regarding their origin and propagation, but, near Earth, cosmic rays are significantly affected by the solar magnetic field which changes over time. The time dependence of proton and electron spectra were measured from July 2006 to December 2009 by PAMELA experiment, that is a ballooon-borne experiment collecting data...
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Mr satish malhotra (freelance researcher, no affiliation)
Gravity is known to be a contracting force. But if it is a constant and absolute velocity (same as velocity of light) flow-- that creates space and time itself-- it becomes an expanding force—of course till the backup of the constant and consistent force (putting space as a flow and time as the delay in the flow from infinite value) continues. Applied this way, gravity though a contracting...
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Dr Kalpana Singh (University of Alberta)
The SNO+ experiment is a large scale liquid scintillator-based experiment, adapting the Sudbury Neutrino Observatory (SNO) detector located at SNOLAB, Canada. The main physics goal is to investigate the Majorana nature of neutrinos through the search for the neutrinoless double-beta decay of 130Te. The camera system of the SNO+ is designed to photograph calibration sources and triangulate...
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Mr Alexander Parada (Universidad Santiago de Cali)
The study of the neutrino electromagnetic (EM) properties opens a door to explore physics beyond the Standard Model. The neutrino magnetic moment (NMM) have been the most studied neutrino EM property since the neutrino was proposed in 1930 by Wolfgang Pauli. If we consider Majorana neutrinos, the NMM matrix will be composed by three transition magnetic moments (TMM) which give us information...
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