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Louis Strigari (Texas A&M)06/10/2021, 09:00
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Rex Tayloe (Indiana U.)06/10/2021, 09:05Oral
The COHERENT collaboration operates an array of detectors in the ORNL Spallation Neutron Source (SNS) "Neutrino Alley" to search for coherent elastic neutrino nucleus scattering (CEvNS) and other low-energy rare scattering processes. Our goal is to precisely measure CEvNS (and other channels) to further understanding on a wide variety of questions in astro-, particle, and nuclear physics. We...
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Christian Buck06/10/2021, 09:25Oral
The CONUS reactor neutrino experiment aims to measure coherent elastic neutrino nucleus scattering (CEvNS) on germanium nuclei. The experiment is located at about 17 m distance from the 3.9 GWth core of the commercial nuclear power plant in Brokdorf, Germany. Four 1 kg point contact germanium detectors equipped with electric cryocooling allow to measure at the sub keV range with background...
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Alexey Lubashevskiy (JINR)06/10/2021, 09:45Oral
The νGeN project is aimed to study neutrino scattering at the close vicinity of the reactor core of Kalinin Nuclear Power Plant (KNPP). Its main interests are connected with the detection of coherent elastic neutrino-nucleus scattering (CEνNS) and the search for the magnetic moment of neutrino. The experimental setup is constructed under reactor unit #3 of KNPP at a distance of about 10 m from...
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Brenda Cervantes06/10/2021, 10:05Oral
Located at a distance of 30 m from the core of the Angra II 3.8 GW nuclear reactor in Brazil, the Coherent Neutrino-Nucleus Interaction Experiment (CONNIE) uses fully depleted high-resistivity CCDs (Charge Coupled Devices) with the goal of measuring CEνNS of reactor antineutrinos with silicon nuclei. It has been taking data since 2016 with a noise level of less than 2 e- RMS and an active mass...
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Xin Xiang06/10/2021, 10:35
LUX-ZEPLIN (LZ) is the largest noble liquid dark matter detector 1 mile underground at the Sanford Underground Research Facility (SURF) in Lead, SD. Using 7-ton liquid xenon as a target, LZ is projected to reach unprecedented sensitivities for WIMP in the mass range from 1 GeV/c2 to 10 TeV/c2. Aside from traditional WIMP searches, LZ will also be sensitive to Coherent Elastic neutrino-nucleus...
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Amanda Depoian (Purdue University)06/10/2021, 10:48
Dual-phase liquid xenon time projection chambers, like XENONnT, have leading sensitivities to rare particle interactions such as those expected from WIMP dark matter. With various detector upgrades, XENONnT will have improved sensitivity to low-energy interactions with signals as low as a single detected electron. This will allow XENONnT to detect Boron-8 solar neutrinos and neutrinos from...
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Dr Vivek Sharma (Academia Sinica, Taipei, Taiwan)06/10/2021, 11:30Oral
Neutrino Nucleus Elastic scattering ($\nu A_{el}$) is a well understood Standard Model process. Experimental cross-sections are enhanced and yet complicated by quantum-mechanical coherency effects with their $q^2$ dependence. Positive measurements of $\nu A_{el}$ so far were achieved by the COHERENT experiment with stopped pion neutrinos ($E_{\nu}$<53 MeV). The TEXONO experiment is pursuing...
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Ekaterina Kozlova (ITEP/MEPhI)06/10/2021, 11:39Oral
Low-energy neutrino processes are of great interest for modern physics. It is an inseparable part for understanding the Standard Model (for example, studying coherent elastic neutrino-nucleus scattering (CEvNS) on different nuclei) and the possible processes beyond it (like non-standard neutrino interactions or dark matter).
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The main problem of simulating such processes is inconsistency of... -
Dmitry Rudik (MEPhI)06/10/2021, 11:48Oral
The RED-100 is a two-phase emission liquid xenon detector. It was deployed at the Kalinin Nuclear Power Plant (KNPP) to detect and study the process of Coherent Elastic Neutrino-Nucleus Scattering (CEvNS) on Xe nuclei in a close vicinity to a reactor core. CEvNS was predicted more than 40 years ago and was observed only recently by the COHERENT experiment with CsI and LAr targets deployed at...
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William Thompson (Los Alamos National Labs)06/10/2021, 11:57Oral
Coherent Captain Mills (CCM) is a 10-ton liquid argon scintillation detector located at the Lujan Neutron Science Center at Los Alamos. CCM searches for sterile neutrinos and dark matter generated from an 800 MeV proton beam. In this talk I will discuss CCM’s search for sub-GeV dark matter candidates including both vector portal and leptophobic dark matter as well as other dark sector...
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Dr Jingke Xu (Lawrence Livermore National Laboratory)06/10/2021, 12:06Oral
Noble element detectors have an event-rate advantage in detecting low-energy CEvNS interactions. Existing argon and xenon detector technologies, however, have drawbacks that limit their applications in this field. CHILLAX is an effort to combine the advantages of a liquid argon target and a xenon-like performance in a single detector. In this talk, I will discuss the motivation for this unique...
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Matthew Szydagis (University at Albany)06/10/2021, 12:15Oral
We will present a discussion of a new detector technology, the “Snowball Chamber,” which is based on the phase transition (of liquid to solid) for metastable fluids. A water-based supercooled detector has great potential for dark matter, but here we will focus on neutrino physics, utilizing the CEνNS interaction on Oxygen. It is likely possible to reach operational conditions wherein such a...
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Russell Neilson06/10/2021, 12:24Oral
The SBC Collaboration is constructing 10-kg liquid argon bubble chambers with scintillation readout for nuclear-recoil detection. The first device will be commissioned at Fermilab to measure sensitivity to sub-keV nuclear recoils. A second, roughly identical, device will be deployed underground at SNOLAB for a GeV-scale dark matter search. At the same time, the collaboration is exploring sites...
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Bernadette Cogswell06/10/2021, 13:05Oral
Experimental efforts in CEvNS have gained significant momentum over the last few years, since the first observation of the CEvNS reaction at the SNS. Observing reactor CEvNS remains a milestone of interest with implications for basic science and nonproliferation reactor monitoring regimes. In this talk, we discuss a concept for an entirely passive, small, solid CEvNS detector that uses color...
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Patrick Huber06/10/2021, 13:17Oral
The majority of spent nuclear fuel is kept in dry storage casks and no method to verify their contents currently exists short of opening the cask under water. Neutrino emissions from strontium-90 persist for many decades but due to the low endpoint energy these neutrinos are exceedingly difficult to detect via inverse beta decay. We present first results indicating that CEvNS detectors with a...
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Joseph Formaggio07/10/2021, 09:00
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Enectali Figueroa-Feliciano (Northwestern University)07/10/2021, 09:20
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Marco Vignati (INFN - National Institute for Nuclear Physics)07/10/2021, 09:29Oral
BULLKID (Bulky and low-threshold kinetic inductance detectors) is an R&D project on an innovative cryogenic particle detector to search for low-energy nuclear recoils induced by neutrino coherent scattering or Dark Matter interactions. The detector unit consists of an array of 60 silicon absorbers of 0.3 g each sensed by phonon-mediated, microwave-multiplexed Kinetic Inductance Detectors. The...
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Nahuel Ferreiro07/10/2021, 09:38Oral
Neutrinos are key particles in many astrophysical sources. They influence the stellar evolution, drive the formation of heavy elements, and are also messengers of the most energetic and unexplored events in Universe, like Supernovae (SNe).
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Neutrinos are key particles in many astrophysical sources. They influence the stellar evolution, drive the formation of heavy elements, and are also... -
Guillermo Fernandez Moroni07/10/2021, 09:47Oral
In this talk, we will show the current status of the effort to install a Skipper Charge Coupled Device (Skipper-CCD) with single-electron resolution in the Atucha 2 power reactor (in Argentina) at approximately 12 meters from the center of the core. We will revisit the main components of the system and its performance at Fermilab before commissioning. The installation is taking place in the...
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Daniel Snowden-Ifft07/10/2021, 09:56Oral
I will discuss the prospects for using a nuclear-recoil TPC detector with directional sensitivity to study CEvNS at Fermilab. Even relatively small detectors would be able to make a significant detection of CEvNS on a year time scale in the NuMI beam with minimal background. A larger detector in the Near Detector Hall of the DUNE beam would be able to measure the weak mixing angle and neutron...
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Dr Anthony Onillon (TUM)07/10/2021, 10:20
Coherent elastic neutrino-nucleus scattering (CEνNS) offers a unique way to study neutrino properties and to search for new physics beyond the Standard Model. As neutrino sources, nuclear reactors deliver very intense fluxes which, combined to the high CEvNS cross-section, could potentially allow to perform precision physics with drastically smaller detectors.
For high statistics...
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Rupak Mahapatra (Texas A&M University)07/10/2021, 10:32
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Dr Doojin Kim (Texas A & M University (US))07/10/2021, 11:30Oral
The MiniBooNE excess has been considered as a potential new physics signal, and various approaches including dark matter interpretations and neutrino-sector physics have been investigated to explain the excess. We revisit the dark matter interpretation, imagining the situation where dark matter emerges from the decays of charged mesons, and discuss a few plausible scenarios that are not in...
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Adrian Raphael Thompson (Texas A & M University)07/10/2021, 11:35Oral
In light of the MiniBooNE anomaly, which exhibits a puzzling asymmetry in its excess events across the neutrino and antineutrino modes, and across the beam-target and beam-dump modes, I will motivate the searches for long-lived scalar particles and their associated gauge sector. These searches may be undertaken at the neutrino frontier experiments in order to test this solution to the...
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Thomas Schwemberger (University of Oregon)07/10/2021, 11:40Oral
As low-threshold dark matter detectors advance in development, they will become sensitive to recoils from solar neutrinos which opens up the possibility to explore neutrino properties. We predict the enhancement of the event rate of solar neutrino scattering due to Non-Standard interactions (NSIs) in low-threshold DM detectors, particularly Skipper-CCDs. We consider five categories of...
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Youssef Sarkis Mobarak (Instituto de Ciencias Nucleares UNAM)07/10/2021, 11:50Oral
The nuclear recoil ionization efficiency or "quenching factor" (QF) plays a crucial role in low-threshold ionization type detectors aimed at detecting CE$\nu$NS and studying new physics through this channel. We present an improved model based on the integro-differential equation that describes the cascade process initiated by a nuclear recoil, which takes into account a more detailed modeling...
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Dimitrios Papoulias (University of Ioannina)07/10/2021, 11:59Oral
The effective Majorana neutrino magnetic moment detectable at a scattering experiment involves in reality a combination of fundamental transition magnetic moments (TMMs), CP violating phases and neutrino mixing parameters. Beyond the three neutrino picture, sterile neutrinos with keV-MeV masses and non-zero TMMs can also be probed through low-energy nuclear or electron recoil measurements. We...
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Wei-Chih Huang (Physics Department, Texas A&M University)07/10/2021, 12:08
We study inelastic neutrino-nucleus and dark matter(DM)-nucleus scattering using argon, cesium, and iodine target nuclei. We use Bigstick, a nuclear shell model code, to obtain the form factors of the nuclei. For the experiment setup (COHERENT and CCM) we estimate event rates for neutrino and dark matter scattering processes. Lastly we estimate cross-section and event rates of the inclusive...
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Giorgio Del Castello (Infn)07/10/2021, 12:15Poster
Exploring coherent neutrino-nucleus scattering with NUCLEUS
Coherent elastic neutrino nucleus scattering (CE$\nu$NS) offers a unique way to study neutrino properties and to search for new physics beyond the Standard Model. The NUCLEUS experiment aims to measure CE$\nu$NS with reactor anti-neutrinos down to unprecedented low nuclear recoil energies. NUCLEUS will make use of CaWO$_4$ and...
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Beatrice Mauri (CEA)07/10/2021, 12:17Poster
The detection of Coherent Elastic Neutrino-Nucleus Scattering (CEʋNS) represents an experimental challenge because of its unique signature: a nuclear recoil with low energy in range of 10 to 100 eV on average.
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This process, largely unexplored until today, could probe physics beyond the Standard Model such as non-standard neutrino interactions and electromagnetic form factors.
NUCLEUS is a... -
Andreas Erhart (Technical University of Munich (TUM))07/10/2021, 12:19Poster
The NUCLEUS experiment aims to measure coherent elastic neutrino nucleus scattering of reactor anti-neutrinos using cryogenic calorimeters. Operating at an overburden of 3m.w.e., muon-induced backgrounds are expected to be dominant. For this reason, an efficient muon veto with a muon detection efficiency of more than 99% is indispensable and shall be achieved in NUCLEUS with a compact cube...
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Loïc Thulliez (CEA-Saclay)07/10/2021, 12:21Poster
The development of low-threshold detectors for the study of coherent elastic neutrino-nucleus scattering and for the search for light dark matter necessitates methods of low-energy calibration. We suggest this can be provided by the nuclear recoils resulting from the gamma emission following thermal neutron capture [1]. In particular, several MeV-scale single-gamma transitions induce...
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daniele delicato (Sapienza università di Roma)07/10/2021, 12:23Poster
BULLKID is an R&D project which investigates a way of increasing the active volume of cryogenic detectors.
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Several cubic silicon absorbers are carved in a 5 mm thick 3-inch diameter wafer. An array of multiplexed Kinetic Inductance Detectors (KIDs) senses the cubes with one KID per cube. When a particle interacts in the silicon it produces phonons which are then detected by the KID. The... -
Benjamin Suh (Indiana University, Bloomington)07/10/2021, 12:25Poster
As part of the effort to observe and measure the cross-section of the CEvNS interaction, a single-phase liquid argon detector, COH-Ar-10, was deployed to the SNS in Fall 2016 by the COHERENT Collaboration. The 24kg fiducial volume target recently made the first low-N measurement of CEvNS in Spring 2020. The data used to make this measurement encompassed a year and a half of operation between...
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Maximilian Hughes07/10/2021, 12:27Poster
Coherent elastic neutrino-nucleus scattering (CEvNS) has been detected in a 24 kg single-phase liquid argon (LAr) scintillator detector. To obtain an event rate 20 times that of the 24 kg detector with a low threshold, the 750 kg LAr scintillator detector COH-Ar-750 has been designed by the COHERENT collaboration to be deployed at the Spallation Neutron Source at Oak Ridge National Laboratory....
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Louis Strigari (Texas A&M)07/10/2021, 12:55
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