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The boron-10 based Multi-Grid detector is being developed as an alternative to helium-3 based neutron detectors. At the European Spallation Source, the detector will be used for time-of-flight neutron spectroscopy at cold to thermal neutron…

Monte Carlo simulations were carried out to design a prompt {\gamma}-ray neutron activation analysis (PGNAA) thermal neutron output setup using MCNP5 computer code. In these simulations the moderator materials, reflective materials and…

Instrumentation and Detectors · Physics 2013-09-06 Jinzhao Zhang , Xianguo Tuo

Neutrino detectors are among the largest photon detection instruments, built to capture scarce photons upon energy deposition. Many discoveries in neutrino physics, including the neutrino itself, are inseparable from the advances in photon…

We have been developing a neutron detector with spatial resolution of submicron by loading 6Li into fine-grained nuclear emulsion. By exposure to thermal neutrons, tracks from neutron capture events were observed. From their grain density,…

Instrumentation and Detectors · Physics 2016-12-15 N. Naganawa , S. Awano , M. Hino , M. Hirose , K. Hirota , H. Kawahara , M. Kitaguchi , K. Mishima , T. Nagae , H. M. Shimizu , S. Tasaki , A. Umemoto

We propose a technique to effectively sample initial neutron and delayed neutron precursor particles for Monte Carlo (MC) simulations of typical off-critical reactor transients. The technique can be seen as an improvement, or alternative,…

Computational Physics · Physics 2023-05-15 Ilham Variansyah , Ryan G. McClarren

Monte Carlo simulations are powerful tools for understanding the effects of radiation interactions within detector devices allowing not only to evaluate typical estimates for experimental measurements and to serve as means for designing…

Instrumentation and Detectors · Physics 2016-02-09 F. Marinho , K. Akiba

We describe the results of detailed 3-D Monte Carlo simulations of a "CZT calorimeter" that can be used to detect photons in the keV to several MeV range. Several astrophysics applications require the detection of photons in the energy…

Astrophysics · Physics 2009-11-11 I. Jung , H. Krawczynski , S. Komarov , L. Sobotka

A high-efficiency fast neutron detector prototype based on a triple Gas Electron Multiplier (GEM) detector, which coupled with a novel multi-layered High-Density PolyEthylene (HDPE) as a neutron-to-proton converter for improving the neutron…

Instrumentation and Detectors · Physics 2015-06-19 Xiao-Dong Wang , He-Run Yang , Zhong-Guo Ren , Jun-Wei Zhang , Lei Yang , Chun-Hui Zhang , Ri-Ba-La Ha , Lv-Xing An

We describe the Monte Carlo (MC) simulation package of the Borexino detector and discuss the agreement of its output with data. The Borexino MC 'ab initio' simulates the energy loss of particles in all detector components and generates the…

A Geant4-based Python/C++ simulation and coding framework, which has been developed and used in order to aid the R&D efforts for thermal neutron detectors at neutron scattering facilities, is described. Built upon configurable geometry and…

Instrumentation and Detectors · Physics 2014-07-24 Thomas Kittelmann , Irina Stefanescu , Kalliopi Kanaki , Mirko Boin , Richard Hall-Wilton , Karl Zeitelhack

Nuclear reactors have long been a favored source for antineutrino measurements for estimates of power and burnup. With appropriate detector parameters and background rejection, an estimate of the reactor power can be derived from the…

Instrumentation and Detectors · Physics 2023-08-03 Emma Houston , Oluwatomi Akindele , Marc Bergevin , Adam Bernstein , Steven Dazley , Sandra Bogetic

The India-based Neutrino Observatory (INO) is planning to build a magnetized iron calorimeter detector (ICAL) in which Resistive Plate Chambers (RPCs) will be the active detector elements. A study of the performance of RPCs, made using…

Instrumentation and Detectors · Physics 2016-11-03 J. Sadiq , K. Raveendrababu , P. K. Behera

A double-helix electrode configuration is combined with a $^{10}$B powder coating technique to build large-area (9 in $\times$ 36 in) neutron detectors. The neutron detection efficiency for each of the four prototypes is comparable to a…

Instrumentation and Detectors · Physics 2023-08-22 Zhehui Wang , C. L. Morris , J. D. Bacon , M. I. Brockwell , J. C. Ramsey

Transforming the resistive plate chambers from charged-particle into gamma-quanta detectors opens the way towards their application as a basic element of a hybrid imaging system, which combines positron emission tomography (PET) with…

Instrumentation and Detectors · Physics 2015-06-12 Georgi Georgiev , Nevena Ilieva , Venelin Kozhuharov , Iglika Lessigiarska , Leandar Litov , Borislav Pavlov , Peicho Petkov

The Auxiliary Field Diffusion Monte Carlo method has been applied to simulate droplets of 7 and 8 neutrons. Results for realistic nucleon-nucleon interactions, which include tensor, spin--orbit and three--body forces, plus a standard…

Nuclear Theory · Physics 2009-11-10 Francesco Pederiva , A. Sarsa , K. E. Schmidt , S. Fantoni

Conceiving the possibility of using plastic scintillator bars as robust detectors for antineutrino detection for the remote reactor monitoring and nuclear safeguard application we study expected basic performance by Monte Carlo simulation.…

Instrumentation and Detectors · Physics 2016-10-20 A. Sh. Georgadze , V. M. Pavlovych , O. A. Ponkratenko , D. A. Litvinov

We calculate the thermal conductivity of electrons for the strongly correlated multi-component ion plasma expected in the outer layers of neutron star's crust employing a Path Integral Monte Carlo (PIMC) approach. This allows us to isolate…

High Energy Astrophysical Phenomena · Physics 2016-07-20 Alessandro Roggero , Sanjay Reddy

Glass RPC detectors are an attractive candidate for the active part of a highly granular digital hadron calorimeter (DHCAL) at the ILC. A numerical study, based on the GEANT3 simulation package, of the performance of such a calorimeter is…

Instrumentation and Detectors · Physics 2007-05-23 A. Ghezzi , T. Tabarelli de Fatis , G. Tinti , M. Piccolo

Monte-Carlo simulation of physical processes is an important tool for detector development as it allows to predict signal pulse amplitude and timing, time resolution, efficiency ... Yet despite the fact they are very common, full…

Instrumentation and Detectors · Physics 2016-07-27 Vincent Français

Liquid xenon time-projection chambers are the world's most sensitive detectors for a wide range of dark matter candidates. We show that the statistical analysis of their data can be improved by replacing detector response Monte Carlo…

Instrumentation and Detectors · Physics 2020-11-04 J. Aalbers , B. Pelssers , V. C. Antochi , P. L. Tan , J. Conrad
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