A 2D pixelated stilbene scintillator detector array for simultaneous radiography with fast neutrons and gammasFor radiography applications using fast neutrons simultaneously with gammas we have developed a detector with 16 stilbene crystals in a 4×4 2D array with a 5~mm pitch and a depth of 25~mm. The…R. Adams, C. Günther, N. Höflich et al.·Oct 5, 2020SaveLearn
FIER: Software for analytical modeling of delayed gamma-ray spectraA new software package, the Fission Induced Electromagnetic Response (FIER) code, has been developed to analytically predict delayed γ-ray spectra following fission. FIER uses evaluated nuclear…E. F. Matthews, B. L. Goldblum, L. A. Bernstein et al.·Oct 5, 2020SaveLearn
Arbitrarily large neutron amplification in subcritical nuclear reactorsIn a subcritical reactor, each neutron produces only keff < 1 neutron per generation (asymptotically and on average), and thus the neutron population decreases exponentially in the absence of…Antoine Tilloy·Oct 4, 2020SaveLearn
Proton Light Yield in Organic Scintillators using a Double Time-of-Flight TechniqueRecent progress in the development of novel organic scintillators necessitates modern characterization capabilities. As the primary means of energy deposition by neutrons in these materials is n-p…J. A. Brown, B. L. Goldblum, T. A. Laplace et al.·Oct 4, 2020SaveLearn
Tunable Fiber Fabry-Perot Cavities with High Passive StabilityWe present three high finesse tunable monolithic fiber Fabry-Perot cavities (FFPCs) with high passive mechanical stability. The fiber mirrors are fixed inside slotted glass ferrules, which guarantee…Carlos Saavedra, Deepak Pandey, Wolfgang Alt et al.·Oct 3, 2020SaveLearn
The FAMU experiment at RIKEN RAL for a precise measure of the proton radiusThe goal of the FAMU experiment at RIKEN RAL is the measure of the hyperfine splitting of the ground state of the muonic hydrogen, to allow a determination of the proton Zemach radius with a…M. Bonesini·Oct 3, 2020SaveLearn
Patchy nuclear chain reactionsStochastic fluctuations of the neutron population within a nuclear reactor are typically prevented by operating the core at a sufficient power, since a deterministic behavior of the neutron…Eric Dumonteil, Rian Bahran, Theresa Cutler et al.·Oct 2, 2020SaveLearn
Proposal to measure with high precision branching ratio of direct pion decay into positron and pion mean lifeExperimental measurement of the probability of direct decay of a pion into a positron allows searching for interactions beyond the Standard Model: test of the hypothesis about the universality of the…Vladimir I. Selivanov·Oct 2, 2020SaveLearn
Absolute X-ray energy measurement using a high-accuracy angle encoderThis paper presents an absolute X-ray photon energy measurement method that uses a Bond diffractometer. The proposed system enables the prompt and rapid in-situ measurement of photon energies in a…Takahiko Masuda, Tsukasa Watanabe, Kjeld Beeks et al.·Oct 2, 2020SaveLearn
Pulse Shape Discrimination of CsI(Tl) with a Photomultiplier Tube and MPPCsIn this study, we evaluate and compare the pulse shape discrimination (PSD) performance of multipixel photon counters (MPPCs, also known as silicon photomultiphers - SiPMs) with that of a typical…Nguyen V. H. Viet, M. Nomachi, K. Takahisa et al.·Oct 2, 2020SaveLearn
The heterodyne sensing system for the ALPS II search for sub-eV weakly interacting particlesALPS II, the Any Light Particle Search, is a second-generation Light Shining through a Wall experiment that hunts for axion-like particles. The experiment is currently transitioning from the design…Ayman Hallal, Giuseppe Messineo, Mauricio Diaz Ortiz et al.·Oct 1, 2020SaveLearn
Predicting Transport Effects of Scintillation Light Signals in Large-Scale Liquid Argon DetectorsLiquid argon is being employed as a detector medium in neutrino physics and Dark Matter searches. A recent push to expand the applications of scintillation light in Liquid Argon Time Projection…D. Garcia-Gamez, P. Green, A. M. Szelc·Oct 1, 2020SaveLearn
McStas (ii): An overview of components, their use, and advice for user contributionsAn key element of the success of McStas is the component layer where users and developers alike are contributing to the description of new physical models and features. In McStas, components realise…P. K. Willendrup, K. Lefmann·Oct 1, 2020SaveLearn
Neutron Spectroscopy for Pulsed Beams with Frame Overlap using a Double Time-of-Flight TechniqueA new double time-of-flight (dTOF) neutron spectroscopy technique has been developed for pulsed broad spectrum sources with a duty cycle that results in frame overlap, where fast neutrons from a…K. P. Harrig, B. L. Goldblum, J. A. Brown et al.·Oct 1, 2020SaveLearn
McStas (i): Introduction, use, and basic principles for ray-tracing simulationsWe present an overview of, and an introduction to, the general-purpose neutron simulation package McStas. We present the basic principles behind Monte Carlo ray-tracing simulations of neutrons…P. K. Willendrup, K. Lefmann·Oct 1, 2020SaveLearn
Phase-modulated cavity magnon polaritons as a precise magnetic field probeWe describe and operate a novel spin-magnetometer based on the phase modulation of cavity magnon polaritons. In this scheme a rf magnetic field is detected through the sidebands it induces on a pump,…Nicolò Crescini, Giovanni Carugno, Giuseppe Ruoso·Sep 30, 2020SaveLearn
Silicon carbide diodes for neutron detectionIn the last two decades we have assisted to a rush towards finding a He3-replacing technology capable of detecting neutrons emitted from fissile isotopes. The demand stems from applications like…José Coutinho, Vitor J. B. Torres, Ivana Capan et al.·Sep 30, 2020SaveLearn
Quantifying the Performance of a Hybrid Pixel Detector with GaAs:Cr Sensor for Transmission Electron MicroscopyHybrid pixel detectors (HPDs) have been shown to be highly effective for diffraction-based and time-resolved studies in transmission electron microscopy, but their performance is limited by the fact…Kirsty A. Paton, Matthew C. Veale, Xiaoke Mu et al.·Sep 30, 2020SaveLearn
Performance of a Large Area Photon Detector For Rare Event Search ApplicationsWe present the design and characterization of a large-area Cryogenic PhotoDetector (CPD) designed for active particle identification in rare event searches, such as neutrinoless double beta decay and…CPD Collaboration, C. W. Fink, S. L. Watkins et al.·Sep 29, 2020SaveLearn
222Rn emanation measurements for the XENON1T experimentThe selection of low-radioactive construction materials is of utmost importance for the success of low-energy rare event search experiments. Besides radioactive contaminants in the bulk, the…E. Aprile, J. Aalbers, F. Agostini et al.·Sep 29, 2020SaveLearn
Pulse Shape Discrimination of Fast Neutron Background using Convolutional Neural Network for NEOS IIPulse shape discrimination plays a key role in improving the signal-to-background ratio in NEOS analysis by removing fast neutrons. Identifying particles by looking at the tail of the waveform has…NEOS II Collaboration, Y. Jeong, B. Y. Han et al.·Sep 28, 2020SaveLearn
Comparison of proton shower developments in the BGO calorimeter of the Dark Matter Particle Explorer between GEANT4 and FLUKA simulationsThe DArk Matter Particle Explorer (DAMPE) is a satellite-borne detector for high-energy cosmic rays and γ-rays. To fully understand the detector performance and obtain reliable physical results,…Wei Jiang, Chuan Yue, Ming-Yang Cui et al.·Sep 28, 2020SaveLearn
Polychromatic angle resolved IBIC analysis of silicon power diodesThis paper describes both an experimental methodology based on the Ion Beam Induced Charge (IBIC) technique and the relevant interpretative model, which were adopted to characterize the electronic…M. Pezzarossa, E. Cepparrone, D. Cosic et al.·Sep 27, 2020SaveLearn
Qualification tests of 997 8-inch photomultiplier tubes for the water Cherenkov detector array of the LHAASO experimentThe Large High-Altitude Air Shower Observatory (LHAASO) is being built at Haizi Mountain, Sichuan province of China at an altitude of 4410 meters. One of its main goals is to survey the northern sky…Kun Jiang, Zebo Tang, Xin Li et al.·Sep 27, 2020SaveLearn
Study of the water Cherenkov detector with high dynamic range for LHAASOThe Large High-Altitude Air Shower Observatory (LHAASO) is being built at Haizi mountain, Sichuan, China at an altitude of 4410 m. One of its main goals is to survey the northern sky for…Kun Jiang, Zebo Tang, Xin Li et al.·Sep 27, 2020SaveLearn