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Leonardo Abbene (University of Palermo), Prof. Gioacchino Massimo Palma (DiFC University of Palermo), Alessandro Scordo (Laboratori Nazionali di Frascati INFN)24/03/2026, 09:30
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Andrea Zappettini24/03/2026, 10:00
High flux CZT detectors show peculiar physical properties that enable several applications in hard X-ray energy range . However, the particular electronic structure of high flux crystals requires a dedicate contact technology. In this work, we describe the technology improvements carried out on the preparation of high quality contacts, as well as several experiments that show the high...
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Giuseppe Bertuccio24/03/2026, 10:30
The peculiar physical properties of Silicon Carbide (SiC) such as its wide band gap (up to 3.2 eV), high saturation velocities of the charge carriers (200 um/ns), high breakdown field (2 MV/cm), high thermal conductivity (4.9 W/cmÂČ) and large threshold displacement energy (21-35eV), joined with the microelectronics advanced fabrication technology, make this semiconductor unique for X-ray...
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Dr Olivier Limousin (CEA-Saclay / Astrophysics Division)24/03/2026, 11:30
The astrophysics division of CEA is developing high reliability CdTe based pixelated imaging spectrometers with high energy resolution and high dynamic range for astronomy and solar physics in space. The detector technology, known as Caliste, was developed as part of a long-standing research and development program involving detector simulations and performance assessments, the development of...
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Dr Ezio Caroli (INAF/OASF of Bologna)24/03/2026, 12:00
On the behalf of a wide collaboration.
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High energy polarimetry, as recently demonstrated by NASAâs IXPE mission in the soft X ray band, is opening new perspectives in high energy astrophysics by adding a fresh observational dimension alongside the well established techniques of spectroscopy, imaging, and timing. This measurement capability had already been proposed to the scientific community... -
Edoardo Borciani (University of Bologna and INAF)24/03/2026, 12:30
As transient sky polarimetry gains prominence in high-energy astrophysics, the SWIPE (Soft-X and gamma-ray WIde-field Polarimeter) mission concept introduces an integrated approach to photoelectric and Compton detection. In the 0.2â8 keV range, the mission employs gas mixture photoelectric absorption to maximize sensitivity and efficiency. For higher energies (20â1000 keV), the Compton...
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Maria Giuseppina Bisogni24/03/2026, 14:30
Radiotherapy is one of the pillars of cancer treatment, relying on the precise delivery of ionizing radiation to destroy tumor cells while preserving healthy tissue. Central to this balance is dosimetry, which directly influences both therapeutic efficacy and patient safety. As advanced techniques such as VMAT and emerging modalities like FLASH and spatially fractionated radiotherapy push the...
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Mihael Makek (Department of Physics, Faculty of Science, University of Zagreb)24/03/2026, 15:00
Positron Emission Tomography (PET) imaging is based on measurement of energy and coincidence time of back-to-back gamma photons from positron annihilation. The annihilation quanta are entangled, and this fact is reflected in orthogonality of their initial polarizations, however it has not been utilized in clinical systems. We developed a demonstrator setup based on Compton polarimeters to...
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Damir Bosnar (University of Zagreb (HR))24/03/2026, 15:30
An HPGe detector equipped with a transistor reset preamplifier and readout with a CAEN DT5781 fast pulse digitizer was employed in the measurement of X-rays from kaonic lead at the DAđ·NE đ+đâ collider at the Laboratori Nazionali di Frascati of INFN.
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We will present results which show that the resolution of the HPGe detector in regular beam conditions remains the same as that without the beam... -
Magdalena Skurzok (Jagiellonian University)24/03/2026, 16:30
The Jagiellonian Positron Emission Tomograph (J-PET) represents the first modular and portable PET scanner capable of multi-photon detection. This multidisciplinary system serves dual purposes in medical imaging and fundamental physics research, including investigations of discrete symmetry violations in positronium decay processes [1,2,3]. Beyond conventional PET imaging capabilities, the...
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Dr David Mascali24/03/2026, 17:00
The PANDORA (Plasmas for Astrophysics, Nuclear Decay Observation and Radiation for Archaeometry) project aims to establish a novel experimental facility at INFN-LNS (Catania) dedicated to interdisciplinary research on magnetically confined plasmas, with applications ranging from nuclear astrophysics to radiation sensor and detector testing.
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The facility is designed to reproduce selected... -
Muhammed Emin Bedir (Karamanoglu Mehmetbey University)24/03/2026, 17:30
Abstract:
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Introduction: Intraoperative gamma probes are essential for localizing radiolabeled tumors and sentinel lymph nodes. However, current fixed-geometry designs suffer from a static trade-off between sensitivity and spatial resolution: high sensitivity is required for rapid lesion detection, while high spatial resolution is critical for precise margin delineation. This work presents the... -
Dr Walter Raniero (INFN-LNL)25/03/2026, 09:30
High purity germanium (HPGe) detectors remain the state of the art technology for high resolution gamma ray spectroscopy, yet conventional lithium diffused contacts impose intrinsic limitations on device performance and segmentation due to their ~1âŻmm inactive layer and poor thermal stability. To address these constraints, a new fabrication approach based on magnetron sputtered dopants...
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Giacomo Secci (INFN Milano)25/03/2026, 10:00
Segmented high-purity germanium (HPGe) detectors are essential tools in advanced gamma spectroscopy. However, many of their technical and manufacturing details remain proprietary to industry. To overcome this limitation, the Italian Institute for Nuclear Physics funded the N3G Project, aimed at developing new segmented HPGe detectors while building in-house expertise for their design,...
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Michael Fraczek (KETEK GmbH)25/03/2026, 10:30
KETEK is the world market leader for Silicon drift detectors (SDDs). Among all market competitors KETEK offers by far the largest product variety associated with SDD modules, operating electronics and detector accessories.
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KETEKâs SDDs represent the state of the art in energy dispersive X-ray fluorescence detection in the energy range from about 0.05 keV to about 30 keV. They are used... -
Alessandro Scordo (Laboratori Nazionali di Frascati INFN)25/03/2026, 11:30
The VOXES (VOn Hamos X-ray spectrometer using HAPG for Extended Sources) Bragg spectrometer is a high-resolution X-ray spectrometer developed at the INFN National Laboratories of Frascati (LNF). It is based on cylindrically bent mosaic crystals operating in the Von Hamos configuration and was specifically designed to overcome the intrinsic efficiency limitations of traditional Bragg...
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Eugenia Naselli (Istituto Nazionale di Fisica Nucleare INFN-LNS)25/03/2026, 12:00
In the frame of the PANDORA project - aimed at measuring ÎČ-decays of nuclear astrophysical interest in magnetically confined plasmas â and the SAMOTHRACE ecosystem (funded by the EU Next Gen Program), a new non-invasive plasma diagnostics testbench, PYN-HO, has been developed at INFN-LNS to advance the state-of-the-art in non-invasive plasma monitoring. The system is designed for...
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Eliska Soharova (ADVACAM s.r.o.)25/03/2026, 12:30
Hybrid semiconductor single photon counting detectors developed within the Medipix collaboration at CERN represent a modern detector technology based on the principle of single-particle counting (alpha, gamma, electrons, etc.). A characteristic feature of these detectors is that each pixel contains its own readout electronics (amplifier, discriminator, etc.), which eliminates the integration...
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Dr Andrew Farnworth (Loughborough University)25/03/2026, 14:30
Detector systems utilising the small pixel effect, such as HEXITEC, display high rates of charge sharing due to the similar scales of the charge carrier clouds generated by hard X-ray interactions and the pixel pitch of the detector.
Charge sharing distributes the complete interaction energy of event across multiple readout channels â with losses occurring due to truncation of fractional...
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Dr Yalcin Kalkan (Bolu Abant Izzet Baysal University (TR))25/03/2026, 15:00
Micro-pattern gaseous detectors (MPGDs) have demonstrated outstanding performance in X-ray and gamma-ray detection; however, further improvements in gain stability, signal formation, and spatial resolution are still strongly connected to the microscopic transport properties of charge carriers in the gas. In this contribution, we present recent developments on nano-patterned GEM (nano-GEM)...
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Kristina Bikit (University of Novi Sad, Faculty of Sciences, Department of Physics, Serbia)25/03/2026, 15:30
Abstract: Cosmic-ray muography has emerged as a valuable technique for the non-invasive inspection of geological and industrial structures, such as the assessment of nuclear reactor fuel. Despite its successes, conventional muon imaging methods have faced significant challenges in resolving small-scale structures composed of low atomic number and low-density materials. To address this...
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Dr Karima Elmasri (University of Tripoli)25/03/2026, 16:30
Like many developing countries, Libya is recently facing associated environmental and public health challenges related to radiological safety in the natural resources and built environment.
The growing reliance on imported building materials, combined with aging infrastructure, limited ventilation practices, groundwater rising levels, and increasing concerns about water contamination,...
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Joanna Rocznik (Silesian University of Technology)25/03/2026, 17:00
Luminescence dating accuracy relies on the precise determination of the total dose rate (Dr). While alpha and beta radiation effects are highly localized, gamma radiation forms a complex, continuous field influenced by the heterogeneous distribution of radionuclides throughout a sediment profile. Standard dosimetry often overlooks these spatial fluctuations, potentially leading to age...
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Guillaume Montémont (CEA-LETI)26/03/2026, 09:30
Simultaneous measurement of interaction position and energy is essential for semiconductor gamma imagers, but optimizing detection efficiency, energy resolution, and spatial resolution presents a significant challenge due to competing trade-offs among noise, signal induction, and readout electronics. While techniques such as cathode readout, pulse shape analysis, and multi-anode readout have...
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Dr Andrea Abba (Nuclear Instruments SRL)26/03/2026, 10:00
We present a novel digital acquisition and processing architecture for high-count-rate X-ray spectroscopy based on the direct digitization of transistor-reset preamplifier outputs. The proposed approach overcomes the limitations of conventional analog reshaping techniques, which suffer from baseline distortions and pile-up effects at high event rates, by employing a high-resolution 20-bit...
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Giacomo Secci (INFN Milano)26/03/2026, 10:30
Segmented high-purity germanium (HPGe) detectors are essential tools in advanced gamma spectroscopy. However, many of their technical and manufacturing details remain proprietary to industry. To overcome this limitation, the Italian Institute for Nuclear Physics funded the N3G Project, aimed at developing new segmented HPGe detectors while building in-house expertise for their design,...
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Mattia Romeo (University of Palermo)26/03/2026, 11:30
Fricke gel (FG) dosimeters have attracted considerable interest in radiotherapy thanks to their capability to map three dimensional dose distributions (DDs). These systems exploit the radio induced oxidation of ferrous (FeÂČâș) to ferric (FeÂłâș) ions, using the concentration of FeÂłâșâdetectable via magnetic resonance due to its paramagnetic propertiesâas a quantitative marker of absorbed dose....
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Vidmantas Tomkus (Center for Physical Sciences and Technology - FTMC)26/03/2026, 12:00
The X-ray secondary sources driven by high-power lasers comprise unique features of micrometric source size and femtosecond pulse duration and are of high interest for time-resolved high-resolution X-ray imaging in a wide area of applications of physics, material science and biochemistry [1, 2]. The gas target requirements for optimal laser wakefield acceleration (LWFA) of electrons and...
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saba imtiaz (INAF-ROMA)26/03/2026, 12:30
The Imaging X-ray Polarimetry Explorer (IXPE) provides unique comprehension about polarized x-ray emissions from many astrophysical sources such as radio quiet and radio loud AGNs,galactic black hole binaries and neutron stars. Polarization maps in X-rays of pulsar wind nebulae and supernova remnants have been probed. IXPE has demonstrated the scientific potential of the techniques but...
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Simone Manti26/03/2026, 14:30
Cadmium Zinc Telluride (CZT) detectors are a powerful platform for radiation detection in the keV energy range, combining room-temperature operation and a compact geometry. Their deployment in accelerator environments opens new experimental opportunities, but also introduces complex and structured background conditions that might limit their sensitivities. In this work, we present a Machine...
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Mr José Sousa (Université Paris-Saclay, CEA IRFU, AIM)26/03/2026, 15:00
CadTool is an open source simulation framework for x-ray and gamma-ray solid state detectors. The tool uses the SolidStateDetectors.jl library for the simulation of detector electric and weighting fields and implements a modified charge drift model to take into consideration initial charge cloud size, self-repulsion, charge trapping and thermal diffusion. The estimation of the initial charge...
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Prof. Murat Aydemir (Erzurum Technical University)26/03/2026, 15:30
The development of high-performance X-ray and gamma-ray detectors is fundamentally constrained by the need to balance detection efficiency, signal stability, material thickness, and long-term radiation tolerance.[1â3] Despite extensive experimental efforts, the existing literature remains fragmented across material classes and device architectures, limiting the establishment of generalizable...
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