The 3He BF3 Giant Barrel (HeBGB) neutron detector

(α,n) reactions play an important role in nuclearastrophysics and applications and are an important background sourcein neutrino and dark matter detectors. Measurements of total(α,n) cross sections employing direct neutron detection oftenhave a considerable systematic uncertainty associated with the...

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Published in:Journal of instrumentation 2022-05, Vol.17 (5), p.P05004
Main Authors: Brandenburg, K, Hamad, G, Meisel, Z, Brune, C R, Carter, DE, Danley, T, Derkin, J, Jones-Alberty, Y, Kenady, B, Massey, T N, Paneru, S, Saxena, M, Soltesz, D, Subedi, S K, Warren, J
Format: Article
Language:English
Subjects:
Dark matter
detector design and construction technologies and materials
Energy distribution
Neutrinos
Neutron counters
neutron detectors (cold, thermal, fast neutrons)
Neutrons
NUCLEAR PHYSICS AND RADIATION PHYSICS
Uncertainty
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container_issue 5
container_start_page P05004
container_title Journal of instrumentation
container_volume 17
creator Brandenburg, K
Hamad, G
Meisel, Z
Brune, C R
Carter, DE
Danley, T
Derkin, J
Jones-Alberty, Y
Kenady, B
Massey, T N
Paneru, S
Saxena, M
Soltesz, D
Subedi, S K
Warren, J
description (α,n) reactions play an important role in nuclearastrophysics and applications and are an important background sourcein neutrino and dark matter detectors. Measurements of total(α,n) cross sections employing direct neutron detection oftenhave a considerable systematic uncertainty associated with theenergy-dependent neutron detection efficiency and the unknowninitial neutron energy distribution. The 3He BF3 Giant Barrel (HeBGB) neutron detectorwas built at the Edwards Accelerator Laboratory at Ohio Universityto overcome this challenge. HeBGB offers a near-constant neutrondetection efficiency of (7.5 ± 1.2)% over the neutron energyrange 0.01 MeV–9.00 MeV, removing a significant source ofsystematic uncertainty present in earlier (α,n) cross sectionmeasurements.
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source Institute of Physics
subjects Dark matter
detector design and construction technologies and materials
Energy distribution
Neutrinos
Neutron counters
neutron detectors (cold, thermal, fast neutrons)
Neutrons
NUCLEAR PHYSICS AND RADIATION PHYSICS
Uncertainty
title The 3He BF3 Giant Barrel (HeBGB) neutron detector
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