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The paper considers an opportunity of detecting explosives by using radiation capture of a neutron with nitrogen nucleus. Proton LINAC is offered as the neutron source with the following parameters: proton energy five Mega electron Volts ,…

Accelerator Physics · Physics 2016-06-27 S. N. Dolya

The bulk irradiation of materials with 10-30 MeV protons promises to advance the study of radiation damage for fission and fusion power plants. Intermediate energy proton beams can now be dedicated to materials irradiation within…

According to many dark matter models, a potential signal registered in a detector would feature a single-scattering nuclear recoil (NR). So, it is crucial to calibrate the detector's response to NR events. The conventional calibrations…

Instrumentation and Detectors · Physics 2024-05-27 Fengbo Gu , Jiangfeng Zhou , Junhui Liao , Yuanning Gao , Zhuo Liang , Meiyuenan Ma , Zhaohua Peng , Lifeng Zhang , Lei Zhang , Jian Zheng

A distributed uranium source with the accurately certified activity of 238U has been used to verify the effective mass of the HPGe detector intended for the {\nu}GeN neutrino experiment. The source, dissolved in nitric acid, provides…

This contribution reviews recent advances in the possible identification of blazars as potential sources of at least some of the very-high-energy neutrinos detected by the IceCube neutrino detector at the South Pole. The basic physical…

High Energy Astrophysical Phenomena · Physics 2022-04-27 Markus Boettcher , Matthew Fu , Timothy Govenor , Quentin King , Parisa Roustazadeh

We characterize the neutron output of a deuterium-deuterium plasma fusion neutron generator, model 35-DD-W-S, manufactured by NSD/Gradel-Fusion. The measured energy spectrum is found to be dominated by neutron peaks at 2.2 MeV and 2.7 MeV.…

Instrumentation and Detectors · Physics 2017-11-23 R. F. Lang , J. Pienaar , E. Hogenbirk , D. Masson , R. Nolte , A Zimbal , S. Röttger , M. L. Benabderrahmane , G Bruno

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

Precision tests of the standard model are essential for constraining models of new physics. Neutrino-electron elastic scattering offers a clean probe into many electroweak effects that are complimentary to the more canonical measurements…

High Energy Physics - Phenomenology · Physics 2008-11-26 Andre de Gouvea , James Jenkins

Coherent elastic neutrino-nucleus scattering (CEvNS) can be used to determine the neutron part of nuclear form factors, unlocking intrinsic properties of nuclear structure. In contrast with other such methods, CEvNS is free from both strong…

Instrumentation and Detectors · Physics 2018-08-20 Emilio Ciuffoli , Jarah Evslin , Qiang Fu , Jian Tang

Dark matter detectors require calibrations of their energy scale and efficiency to detect nuclear recoils in the $1-50$ keV range. Most calibrations use neutron scattering and require MCNP or Geant4 simulations of neutron propagation…

Nuclear Experiment · Physics 2014-03-19 Alan E. Robinson

Hypothetical short-range interactions could be detected by measuring the wavefunctions of ultracold neutrons (UCNs) on a mirror bounded by the Earth's gravitational field. The Searches require detectors with higher spatial resolution. We…

Neutron howitzers are the irradiation instruments, generally used for the chemical analysis in the research laboratories, where the neutron sources are encapsulated within a moderating medium and the target materials are irradiated at the…

Instrumentation and Detectors · Physics 2018-06-15 Ahmet Ilker Topuz , Iskender Atilla Reyhancan

The design of a neutron source capable of producing 24 and 70 keV neutron beams with narrow energy spread is presented. The source exploits near-threshold kinematics of the $^{7}$Li(p,n)$^{7}$Be reaction while taking advantage of the…

Instrumentation and Detectors · Physics 2014-05-22 T. H. Joshi , S. Sangiorgio , V. Mozin , E. B. Norman , P. Sorensen , M. Foxe , G. Bench , A. Bernstein

We developed a 12-liter volume neutron detector filled with the liquid scintillator EJ301 that measures neutrons in an underground laboratory where dark matter and neutrino experiments are located. The detector target is a cylindrical…

Instrumentation and Detectors · Physics 2015-06-15 C. Zhang , D. -M. Mei , P. Davis , B. Woltman , F. Gray

Reactor antineutrinos are used to study neutrino oscillation, search for signatures of non-standard neutrino interactions, and to monitor reactor operation for safeguard applications. The flux and energy spectrum of reactor antineutrinos…

High Energy Physics - Experiment · Physics 2013-05-01 K. M. Heeger , B. R. Littlejohn , H. P. Mumm , M. N. Tobin

An electron accelerator in the 100 MeV range, similar to the one used at BNL's Accelerator test Facility, for example, would have some advantages as a calibration tool for water cerenkov or Liquid Argon neutrino detectors. We describe a…

Instrumentation and Detectors · Physics 2010-04-20 Sebastian White , Vitaly Yakimenko

We report on our efforts to optimize the geometry of neutron moderators and converters for the TRIUMF UltraCold Advanced Neutron (TUCAN) source using MCNP simulations. It will use an existing spallation neutron source driven by a 19.3 kW…

Instrumentation and Detectors · Physics 2020-01-30 W. Schreyer , C. A. Davis , S. Kawasaki , T. Kikawa , C. Marshall , K. Mishima , T. Okamura , R. Picker

Last year the COHERENT collaboration was able to measure for the first time the Coherent Elastic Neutrino Nucleus Scattering (CE$\nu$NS). Neutrinos within the right energy range can be produced in large quantities at accelerator facilities…

High Energy Physics - Experiment · Physics 2019-03-29 E. Ciuffoli

We present the preparation and measurement of the radioactive isotope $\rm ^{37}Ar$, which was produced using thermal neutrons from a reactor, as a calibration source for liquid xenon time projection chambers. $\rm ^{37}Ar$ is a low-energy…

Instrumentation and Detectors · Physics 2026-03-12 Xu-Nan Guo , Chang Cai , Fei Gao , Yang Lei , Kai-Hang Li , Chun-Lei Su , Ze-Peng Wu , Xiang Xiao , Ling-Feng Xie , Yi-Fei Zhao , Xiao-Peng Zhou