Improvement and assessment of the radiopurity of Micromegas readout planesMicromesh Gas Structures (Micromegas) as readout of gaseous Time Projection Chambers (TPCs) are being considered in experiments investigating rare phenomena, like the nuclear double beta decay, solar…Juan Castel, Susana Cebrian, Theopisti Dafni et al.·Mar 3, 2026SaveLearn
Capacitively Coupled GaAs p-i-n/Substrate Photodetector with Ohmic Contacts on Lightly Doped n-GaAs for Hard X-Ray ImagingIn this work, we present a capacitively coupled GaAs p +-i-n/substrate photodetector (CC-GaAs PIN/S PD), which also represents a preliminary step toward 3D detection (x, y, time) of high-energy X-ray…V. G. Harutyunyan, S. D. Zilio, M. Colja et al.·Mar 3, 2026SaveLearn
Internal Charge Amplification in Germanium at 77K and 4K: From Single-Free-Flight Bounds to a Physics-Informed Ionization ModelInternal charge amplification (ICA) in cryogenic high-purity germanium (HPGe) can lower detection thresholds by providing gain inside the detector crystal, but reliable operation requires a…Dongming Mei, Kunming Dong, Narayan Budhathoki et al.·Mar 2, 2026SaveLearn
Simulation Study on the Discrimination of 0ββ Events from Single-Electron Events Using Orthogonal-Strip HPGe DetectorsNeutrinoless double beta decay (0ββ) offers a sensitive probe of neutrino mass and its Majorana nature. Orthogonal-strip high-purity germanium (HPGe) detectors with high spatial…Qiuli Zhang, Wenhan Dai, Peng Zhang et al.·Mar 2, 2026SaveLearn
ImpCresst -- A versatile simulation tool focusing on solid-state detectors at keV energiesWe present ImpCresst, a Geant4-based Monte Carlo tool to simulate backgrounds from natural and cosmogenic radionuclides, and calibration signals in solid-state detectors and their response to it. It…G. Angloher, S. Banik, A. Bento et al.·Mar 2, 2026SaveLearn
Valley-peak modulation in phase space: a law-invariant VPM and its theta-function structureValley-peak modulation (VPM) was introduced as a metric for quantifying read noise in deep sub-electron read noise (DSERN) CMOS image sensors. In its original amplitude-domain definition VPM depends…Aaron J. Hendrickson, David P. Haefner·Mar 1, 2026SaveLearn
Precise Measurement and Control of Radon Progeny on Detector SurfacesIn low-background particle physics experiments, surface deposition of radon progeny presents a significant background challenge. To characterize this contamination, a high-sensitivity surface…C. B. Z. Luo, C. Guo, L. P. Xiang et al.·Feb 28, 2026SaveLearn
A 200 dB Dynamic Range Radiation-Hard Delta-Sigma Current Digitizer for Beam Loss MonitoringThis manuscript describes a radiation-hardened current-mode delta-sigma ADC fabricated in a standard 130 nm CMOS technology and qualified for total ionizing doses up to 100 Mrad. The operational…Luca Giangrande·Feb 27, 2026SaveLearn
Characterization of CMOS SPADs for future RICH DetectorsIn the planned or considered upgrades of LHCb, ALICE and Belle II experiments, the Ring imaging Cherenkov (RICH) detectors will have to be improved in order to function at increased beam interaction…R. Dolenec, H. K. Yildirim, G. V. Tran et al.·Feb 27, 2026SaveLearn
Cosmic Muon Explorer: A Portable Detector for Cosmic Muon Flux Measurements and OutreachIn this paper, we present development of a portable cosmic muon tracker tailored for both on-site measurements of cosmic muon flux as well as for outreach activities. The tracker comprises of two 70…Yuvaraj Elangovan, Shashwat Kakkad, B. Satyanarayana·Feb 27, 2026SaveLearn
Improved Pion-Kaon Identification in Heavy-Ion Collisions with a Two-Dimensional TransformationAccurate identification of charged pions and kaons is essential for precision measurements in relativistic heavy-ion collisions, but becomes increasingly challenging at intermediate and high…Shaowei Lan, Bijun Fan, Like Liu·Feb 27, 2026SaveLearn
Design of a high voltage delivery system for noble liquid time projection chambersNoble liquid time projection chambers (TPCs) are a leading technology in the detection of ionizing radiation, particularly in applications such as accelerator neutrino physics, dark matter detection,…R. Saldanha, L. Pagani, E. Angelico et al.·Feb 27, 2026SaveLearn
Characterization of UV optical components for photon detector calibration in liquid argon TPCsLarge liquid argon time projection chambers (LArTPCs) require stable and well-characterized delivery of ultraviolet (UV) light for in situ calibration of photosensors at cryogenic temperatures. This…B. Behera, M. Bilal Azam, Z. Djurcic et al.·Feb 27, 2026SaveLearn
Charge collection parameterization of MALTA2, a depleted monolithic active pixel sensorA fast simulation method is presented for a depleted monolithic active pixel sensor, which uses a data driven parameterization of the charge collection and propagation. This approach provides an…L. Fasselt, P. Behera, D. V. Berlea et al.·Feb 26, 2026SaveLearn
Fused-Silica Activation Cherenkov Detector for Pulsed D--T Fusion YieldsWe demonstrate a compact, non-toxic, low-cost neutron-yield diagnostic for pulsed D--T fusion systems using an undoped fused-silica (SiO2) rod as both activation target and Cherenkov radiator. D--T…N. Kaneshige, S. Alawabdeh, W. Hennig et al.·Feb 25, 2026SaveLearn
Towards Low-Energy Electron High-Resolution Spectroscopy with Transition-Edge SensorsWe present a study of the energy resolution of transition-edge sensors (TESs) for the detection of electrons in the 100 eV kinetic energy range. The TES is a Ti-Au bilayer with an active area of $(60…R. Ammendola, A. Apponi, G. Benato et al.·Feb 25, 2026SaveLearn
A novel perspective on crystal electromagnetic calorimeter design for the CEPCCrystal electromagnetic calorimeters (ECALs) are essential for high-precision measurements of electrons and photons in particle physics experiments. However, the conventional design, in which long…Weizheng Song, Yang Zhang, Shengsen Sun et al.·Feb 25, 2026SaveLearn
Development and characterization of the efficient portable X-ray imaging device based on Raspberry Pi cameraThis study reports the development and characterization of an efficient portable X-ray imaging device built from Raspberry Pi components, including a high-quality 12.3-megapixel camera configured for…Nguyen Duc Ton, Nguyen Thanh Luan, Faizan Anjum et al.·Feb 24, 2026SaveLearn
LANTERN: Characterization technology for low threshold cryogenic detectorsThe use of low-temperature detectors, such as cryogenic calorimeters, has pioneered the recent advancements in low-energy rare event searches. These detectors provide a low-noise environment…Giorgio Del Castello·Feb 23, 2026SaveLearn
Test-beam results from MiniCACTUS-v2: A depleted monolithic CMOS timing sensor prototypeMiniCACTUS-v2 is a monolithic sensor prototype designed in LF 150 nm CMOS process for time tagging of individual Minimum Ionizing Particles with an accuracy better than 100 ps. The sensing element is…Y. Degerli, R. Aleksan, R. Casanova et al.·Feb 23, 2026SaveLearn
Designing electrostatic MEMS-based electron optics: the case of the spiral phase plateA new generation of microfabricated MEMS for electron optics is changing electron microscopy for the better. These devices allow operations on the electron beam that are impossible with conventional…Payam Habibdazeh Kavkani, Amir H. Tavabi, Paolo Rosi et al.·Feb 23, 2026SaveLearn
Cold Neutron Imaging and Efficiency Measurements with a Boron-10 Coated Double-GEM DetectorA 10B-coated double-GEM neutron detector (BGEM) was developed as a 3He-free cold-neutron beamline detector using a single B4C converter cathode…WooJong Kim, DongHyun Kim, Minjae Kwon et al.·Feb 23, 2026SaveLearn
Development of a Cherenkov-Based Time-of-Flight Detector Using Silicon PhotomultipliersThe aim of this work is to develop high precision Time-of-Flight (TOF) devices based on high refractive index solid Cherenkov radiators read out by silicon photomultipliers (SiPMs). Cherenkov light…Liliana Congedo, Giuseppe De Robertis, Antonio Di Mauro et al.·Feb 23, 2026SaveLearn
Extended X-ray energy characterization of SIDDHARTA-2 large-area Silicon Drift Detectors up to 50 keVThe SIDDHARTA-2 experiment at the DA collider of INFN-LNF performs high precision light kaonic atoms X-ray spectroscopy to investigate the kaon-nucleon(s) strong interaction in the low-energy…Francesco Clozza, Francesco Sgaramella, Leonardo Abbene et al.·Feb 20, 2026SaveLearn
Detector-level assessment of alternative target nuclei for CEvNS experiments under realistic experimental conditionsCoherent Elastic Neutrino-Nucleus Scattering (CEvNS) provides a sensitive probe of neutrino interactions at low momentum transfer, but its experimental observation is strongly constrained by…Yusuf Havvat·Feb 20, 2026SaveLearn