85 papers
This paper reports the successful calibration and performance assessment of a new room-temperature Cadmium Zinc Telluride (CZT) detector array at the DANE collider, demonstrating its excellent linearity and stability for future precision spectroscopy of kaonic atoms within the SIDDHARTA-2 program.
This paper presents a versatile analytic model for predicting the broadband Photon Detection Efficiency of VUV-sensitive Silicon Photomultipliers across various wavelengths, angles, and temperatures, validated by experimental data and demonstrated through successful extrapolation to liquid noble environments and optimization for astroparticle physics and quantum computing applications.
This paper presents CTPX1, a highly integrated, data-driven camera system based on the Timepix4 ASIC that achieves a peak readout rate of 1.17 Ghits/s and stable thermal performance, successfully addressing the saturation challenges of next-generation high-flux neutron imaging instruments like ERNI at the upgraded CSNS-II.
This paper presents the development of a compact, high-performance readout electronics system based on the Timepix4 chip and a single ZYNQ-MPSOC, designed to meet the high event-rate demands of the Phase II Chinese Spallation Neutron Source by achieving stable 5.12 Gbps data transmission and demonstrating successful X-ray imaging capabilities.
This paper demonstrates that a portable, two-meter neutron Time of Flight system utilizing Neutron Resonance Transmission Analysis can successfully identify and quantify the isotopic composition of special nuclear materials like HEU and reactor-grade plutonium within two hours with high accuracy, offering a promising tool for future arms control verification.
This paper presents the first in-beam demonstration that chemically hyperpolarized materials produced via the SABRE method serve as viable, radiation-resistant targets and detector media for nuclear and particle physics, offering a cost-effective alternative to traditional cryogenic spin-polarized targets without suffering depolarization under intense radiation.
This paper reports on the development of a high-speed, high-resolution X-ray camera based on the INTPIX4NA SOIPIX detector and a SiTCP-XG 10GbE readout system, demonstrating its successful application in three recent experiments at KEK facilities: X-ray zooming microscopy, phase-contrast imaging, and nondestructive lithium detection in battery materials.
This paper presents the design, production, and comprehensive optical characterization of novel light-pulse driver circuits and self-monitoring calibration instruments (both directional pulsers and isotropic P-CAL modules) developed for the Pacific Ocean Neutrino Experiment, demonstrating their high-intensity, nanosecond-scale performance and near-perfect optical isotropy through simulations and experimental validation in air and water.
This paper proposes a novel high-density free-neutron target system, integrating a supercompact cyclotron with advanced moderation and cryogenic technologies, to enable high-luminosity neutron capture measurements on short-lived radioactive ions in storage rings for nuclear astrophysics research.
This paper presents a conceptual design and simulation study of a novel high-granularity crystal electromagnetic calorimeter using orthogonally arranged scintillating bars and SiPMs, demonstrating an energy resolution of $1.12\%/\sqrt{E(\mathrm{GeV})}\oplus0.22\%$ that significantly exceeds the requirements for precision measurements at future Higgs factories.
This paper reports the successful adaptation of an industrial physical vapor deposition process, originally developed for OLED manufacturing, to produce scalable, uniform, and high-quality *p*-terphenyl wavelength-shifting films on large-area inorganic substrates for the Deep Underground Neutrino Experiment's photon detection system.
This paper presents and validates a novel three-dimensional pulse shape simulation method for the reduced charge collection layer in p-type high-purity germanium detectors, implemented in the open-source package SolidStateDetectors.jl, to enable the identification and vetoing of critical surface background events in rare physics experiments.
This paper presents electrical characterization results, specifically focusing on leakage current behavior and temperature dependence, for 8-inch silicon sensors irradiated with high-fluence neutrons up to $1.4 \times 10^{16}~n_{eq.}/cm^{2}$ to support the development of the CMS High-Granularity Calorimeter for the HL-LHC upgrade.
This paper presents an energy-core-based photon reconstruction method utilizing the Hough transform, which achieves near-perfect efficiency and separation for high-energy photons in dense environments, as validated by simulations of the CEPC crystal electromagnetic calorimeter.
This paper presents a data reduction method and validates the CSNS in-house Monte Carlo code, Prompt, by demonstrating its ability to accurately reproduce thermal neutron scattering experiments on light and heavy water, including the elimination of inelasticity effects and the analysis of multiple scattering.
This study presents a systematic, FEMM-based design and optimization methodology for unified Linear Variable Differential Transformer (LVDT) sensors and Voice Coil (VC) actuators that enhances performance and minimizes heat dissipation under strict geometric and thermal constraints for high-precision applications like gravitational wave detectors, with results validated by experimental measurements.
This paper demonstrates a novel "tuning-by-opening" mechanism for a NbSn superconducting microwave cavity that achieves continuous frequency tuning exceeding 1 GHz while maintaining a high quality factor suitable for dark matter searches, all without inserting elements into the resonant volume.
This paper presents beam test results at CERN demonstrating that high-pixel-density SiPMs coupled to BGO and BSO crystals exhibit significant non-linear responses, with deviations reaching approximately 20% at high photoelectron yields, thereby characterizing their performance limits for future high-granularity electromagnetic calorimeters.
The NUCLEUS experiment characterizes the unidentified low energy excess in its sapphire detector by demonstrating that the excess rate is independent of particle background levels but decreases with slower cooling procedures, following a universal power-law decay over time.
This paper reports the first optical observation of negative ion drift at surface pressure in a He:CF:SF mixture using an optically read-out TPC, demonstrating multi-species ion transport and validating the feasibility of large-scale, low-diffusion optical TPCs for rare event searches.