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The complexity of the neutron transport phenomenon throws its shadows on every physical system wherever neutron is produced or used. In the current study, an ab initio derivation of the neutron self-shielding factor to solve the problem of…

Computational Physics · Physics 2022-07-21 Ateia W. Mahmoud , Elsayed K. Elmaghraby , E. Salama , A. Elghazaly , S. A. El-fiki

The resurgence of interest in nuclear power around the world highlights the importance of effective methods to safeguard against nuclear proliferation. Many powerful safeguarding techniques have been developed and are currently employed,…

Physics and Society · Physics 2024-11-26 Bryan Helz , Leia Barrowes , Igor Jovanovic , Dean Price , Brendan Kochunas , James D. Wells

This paper examines neutron multiplicity spectra emitted from massive targets at depths of 3, 40, 210, 583, 1166, and 4000 m.w.e. The measurements, carried out between 2001 and 2024, used three experimental setups with either 14 or 60 He-3…

High Energy Physics - Experiment · Physics 2026-03-23 W. H. Trzaska , A. Barzilov , T. Enqvist , K. Jedrzejczak , M. Kasztelan , P. Kuusiniemi , K. K. Loo , J. Orzechowski , M. Słupecki , J. Szabelski , T. E. Ward

A structure, used as a complex source of X-rays and neutron source, is designed with the assistance of CST module tool. Particles of -H and electron, attracted from a plasma source, are designed to be separated by an energy selector. Soon…

Accelerator Physics · Physics 2020-02-13 X. B. Yang , X. B. Qin , P. H. Liu , T. Li , K. Zhuang

Nowadays neutron facilities are going toward higher fluxes, e.g. the European Spallation Source (ESS) in Lund (Sweden), and this translates into a higher demand in the instrument performances. Because of its favorable properties,He-3 has…

Instrumentation and Detectors · Physics 2014-06-13 Francesco Piscitelli

The response of a scintillation detector with a cylindrical 1.5-inch LaBr3:Ce crystal to incident neutrons has been measured in the energy range En = 2-12 MeV. Neutrons were produced by proton irradiation of a Li target at Ep = 5-14.6 MeV…

Astronauts participating in deep-space exploration missions will be exposed to significantly greater amounts of radiation than is typically encountered on Earth or in low Earth orbit (LEO), which poses significant risks to crew health and…

Computational Physics · Physics 2025-09-12 Joseph L. Hesse-Withbroe , Katya S. Arquilla

We study the effect of naval nuclear reactors on the study of neutrino oscillations. We find that the presence of naval reactors at unknown locations and times may limit the accuracy of future very long baseline reactor-based neutrino…

High Energy Physics - Experiment · Physics 2009-11-07 J. Detwiler , G. Gratta , N. Tolich , Y. Uchida

In order to evaluate the response to cosmic-ray nuclei of a Compton-Scatter Transition Radiation Detector in the proposed ACCESS space-based mission, a hybrid Monte Carlo simulation using GEANT3 and an external transition radiation (TR)…

Instrumentation and Detectors · Physics 2009-11-11 John F. Krizmanic , Michael L. Cherry , Robert E. Streitmatter

To date, antineutrino experiments built for the purpose of demonstrating a nonproliferation capability have typically employed organic scintillators, were situated as close to the core as possible -typically a few meters to tens of meters…

Instrumentation and Detectors · Physics 2022-10-19 O. A. Akindele , A. Bernstein , M. Bergevin , S. A. Dazeley , F. Sutanto , A. Mullen , J. Hecla

There is currently a big effort put into the operation and construction of world class neutron scattering facilities (SNS and SNS-TS2 in the US, J-PARC in Japan, ESS in Europe, CSS in China, PIK in Russia). On the other hand, there exists a…

Polarized targets evolved into indispensable tools in particle and nuclear physics. However, the polarized solid target is degraded by high-intense beam irradiation, known as radiation damage due to target heating and radical generation. We…

The natural neutron background influences the maximum achievable sensitivity in most deep underground nuclear, astroparticle and double-beta decay physics experiments. Reliable neutron flux numbers are an important ingredient in the design…

Active shielding is an effective technique to reduce background signals in hard X-ray detectors and to enable observing darker sources with high sensitivity in space. Usually the main detector is covered with some shield detectors made of…

Instrumentation and Methods for Astrophysics · Physics 2015-07-07 Yoshihiro Furuta , Yuki Murota , Junko S. Hiraga , Makoto Sasano , Hiroaki Murakami , Kazuhiro Nakazawa

A custom-made 228Th source of several MBq activity was produced for the Borexino experiment for studying the external background of the detector. The aim was to reduce the unwanted neutron emission produced via (alpha,n) reactions in…

Instrumentation and Detectors · Physics 2015-05-30 W. Maneschg , L. Baudis , R. Dressler , K. Eberhardt , R. Eichler , H. Keller , R. Lackner , B. Praast , R. Santorelli , J. Schreiner , M. Tarka , B. Wiegel , A. Zimbal

We propose in this article a method to generate radiative coolers which are reflective in the solar spectrum and emissive in the transparency window of the atmosphere (8-13 $\mu$m). We choose an approach combining thermal control capacity…

Applied Physics · Physics 2018-02-07 Armande Hervé , Jeremie Drevillon , Younes Ezzahri , Karl Joulain

In this work, the simulation of optical photons is carried out in an antineutrino detector module consisting of a plastic scintillator connected to light guides and photomultipliers on both ends, which is considered to be used for remote…

Instrumentation and Detectors · Physics 2018-05-23 Mustafa Kandemir , Altan Cakir

Neutron scattering techniques offer a unique combination of structural and the dynamic information of atomic and molecular systems over a wide range of distances and times. The increasing complexity in science investigations driven by…

Instrumentation and Detectors · Physics 2019-05-30 Giacomo Mauri

During 2014 the second experimental area EAR2 was completed at the n-TOF neutron beam facility at CERN. As the neutrons are produced via spallation, by means of a high-intensity 20 GeV pulsed proton beam impinging on a thick target, the…

Instrumentation and Detectors · Physics 2019-08-14 L. Cosentino , A. Musumarra , M. Barbagallo , N. Colonna , L. Damone , A. Pappalardo , M. Piscopo , P. Finocchiaro

Compared to other neutrino sources, the huge anti-neutrino fluxes at nuclear reactor based experiments empower us to derive stronger bounds on non-standard interactions of neutrinos with electrons mediated by light scalar/vector mediators.…

High Energy Physics - Phenomenology · Physics 2023-04-12 Bhaskar Dutta , Sumit Ghosh , Tianjun Li , Adrian Thompson , Ankur Verma