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GENESIS: Gamma Energy Neutron Energy Spectrometer for Inelastic Scattering
Abstract
Improved neutron inelastic scattering cross section data are needed to inform integral benchmark studies and advance applications in a wide variety of areas including nuclear energy, stockpile stewardship, nonproliferation, and space exploration. Neutron inelastic scattering also serves as a non-selective probe of low-lying nuclear structure. To help meet these needs, the Gamma Energy Neutron Energy Spectrometer for Inelastic Scattering (GENESIS) was constructed at the 88-Inch Cyclotron at Lawrence Berkeley National Laboratory. This array couples high-resolution γ-ray detectors and fast neutron detectors to achieve single and coincident n/γ detection over a broad energy range. The current configuration of the array includes 26 organic liquid scintillators and four high-purity germanium detectors (two single-crystal and two four-crystal CLOVER detectors with two-fold segmentation). The array was constructed with minimal supporting material and designed to cover a wide range of secondary particle angles and energies with limited inter-element scattering. Data acquisition is accomplished using Mesytec MDPP-16 multi-channel high-resolution digital pulse processing modules. The array characteristics, including γ-ray and neutron energy resolution, timing resolution, and detection efficiency were measured and used to validate a Geant4 model of the array. Furthermore, the primary sources of neutron background and the uncertainties in the determination of incident and secondarymore »
- Authors:
-
- University of California, Berkeley, CA (United States)
- University of California, Berkeley, CA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- University of California, Berkeley, CA (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Air Force Institute of Technology, Wright-Patterson AFB, OH (United States)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); University of California, Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation; USDOE National Nuclear Security Administration (NNSA), Office of Defense Programs (DP); USDOE Office of Nuclear Energy (NE)
- OSTI Identifier:
- 2320397
- Alternate Identifier(s):
- OSTI ID: 2283123
- Grant/Contract Number:
- NA0004064; AC02-05CH11231; AC52-07NA27344; NA0003180; NA0003996
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
- Additional Journal Information:
- Journal Volume: 1061; Journal ID: ISSN 0168-9002
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; Nuclear data; Neutron inelastic cross sections; gamma-ray production; Neutron\ production
Citation Formats
Gordon, J. M., Batchelder, J. C., Bernstein, Lee A., Bleuel, D. L., Brand, C. A., Brown, J. A., Goldblum, B. L., Frandsen, B. G., Laplace, T. A., and Nagel, T. GENESIS: Gamma Energy Neutron Energy Spectrometer for Inelastic Scattering. United States: N. p., 2024.
Web. doi:10.1016/j.nima.2024.169120.
Gordon, J. M., Batchelder, J. C., Bernstein, Lee A., Bleuel, D. L., Brand, C. A., Brown, J. A., Goldblum, B. L., Frandsen, B. G., Laplace, T. A., & Nagel, T. GENESIS: Gamma Energy Neutron Energy Spectrometer for Inelastic Scattering. United States. https://doi.org/10.1016/j.nima.2024.169120
Gordon, J. M., Batchelder, J. C., Bernstein, Lee A., Bleuel, D. L., Brand, C. A., Brown, J. A., Goldblum, B. L., Frandsen, B. G., Laplace, T. A., and Nagel, T. Sat .
"GENESIS: Gamma Energy Neutron Energy Spectrometer for Inelastic Scattering". United States. https://doi.org/10.1016/j.nima.2024.169120.
@article{osti_2320397,
title = {GENESIS: Gamma Energy Neutron Energy Spectrometer for Inelastic Scattering},
author = {Gordon, J. M. and Batchelder, J. C. and Bernstein, Lee A. and Bleuel, D. L. and Brand, C. A. and Brown, J. A. and Goldblum, B. L. and Frandsen, B. G. and Laplace, T. A. and Nagel, T.},
abstractNote = {Improved neutron inelastic scattering cross section data are needed to inform integral benchmark studies and advance applications in a wide variety of areas including nuclear energy, stockpile stewardship, nonproliferation, and space exploration. Neutron inelastic scattering also serves as a non-selective probe of low-lying nuclear structure. To help meet these needs, the Gamma Energy Neutron Energy Spectrometer for Inelastic Scattering (GENESIS) was constructed at the 88-Inch Cyclotron at Lawrence Berkeley National Laboratory. This array couples high-resolution γ-ray detectors and fast neutron detectors to achieve single and coincident n/γ detection over a broad energy range. The current configuration of the array includes 26 organic liquid scintillators and four high-purity germanium detectors (two single-crystal and two four-crystal CLOVER detectors with two-fold segmentation). The array was constructed with minimal supporting material and designed to cover a wide range of secondary particle angles and energies with limited inter-element scattering. Data acquisition is accomplished using Mesytec MDPP-16 multi-channel high-resolution digital pulse processing modules. The array characteristics, including γ-ray and neutron energy resolution, timing resolution, and detection efficiency were measured and used to validate a Geant4 model of the array. Furthermore, the primary sources of neutron background and the uncertainties in the determination of incident and secondary neutron energy were assessed. GENESIS provides a new capability to address nuclear data needs and facilitates the advancement of a wide range of nuclear applications.},
doi = {10.1016/j.nima.2024.169120},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = ,
volume = 1061,
place = {United States},
year = {Sat Jan 20 00:00:00 EST 2024},
month = {Sat Jan 20 00:00:00 EST 2024}
}
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