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Monitoring the SNS basement neutron background with the MARS detector

Publication ,  Journal Article
Akimov, D; An, P; Awe, C; Barbeau, PS; Becker, B; Belov, V; Bernardi, I; Blackston, MA; Bock, C; Bolozdynya, A; Browning, J; Cabrera-Palmer, B ...
Published in: Journal of Instrumentation
March 1, 2022

We present the analysis and results of the first dataset collected with the MARS neutron detector deployed at the Oak Ridge National Laboratory Spallation Neutron Source (SNS) for the purpose of monitoring and characterizing the beam-related neutron (BRN) background for the COHERENT collaboration. MARS was positioned next to the COH-CsI coherent elastic neutrino-nucleus scattering detector in the SNS basement corridor. This is the basement location of closest proximity to the SNS target and thus, of highest neutrino flux, but it is also well shielded from the BRN flux by infill concrete and gravel. These data show the detector registered roughly one BRN per day. Using MARS' measured detection efficiency, the incoming BRN flux is estimated to be 1.20 ± 0.56 neutrons/m2/MWh for neutron energies above ∼3.5 MeV and up to a few tens of MeV. We compare our results with previous BRN measurements in the SNS basement corridor reported by other neutron detectors.

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Published In

Journal of Instrumentation

DOI

EISSN

1748-0221

Publication Date

March 1, 2022

Volume

17

Issue

3

Related Subject Headings

  • Nuclear & Particles Physics
  • 51 Physical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
 

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Akimov, D., An, P., Awe, C., Barbeau, P. S., Becker, B., Belov, V., … Johnson, B. A. (2022). Monitoring the SNS basement neutron background with the MARS detector. Journal of Instrumentation, 17(3). https://doi.org/10.1088/1748-0221/17/03/P03021
Akimov, D., P. An, C. Awe, P. S. Barbeau, B. Becker, V. Belov, I. Bernardi, et al. “Monitoring the SNS basement neutron background with the MARS detector.” Journal of Instrumentation 17, no. 3 (March 1, 2022). https://doi.org/10.1088/1748-0221/17/03/P03021.
Akimov D, An P, Awe C, Barbeau PS, Becker B, Belov V, et al. Monitoring the SNS basement neutron background with the MARS detector. Journal of Instrumentation. 2022 Mar 1;17(3).
Akimov, D., et al. “Monitoring the SNS basement neutron background with the MARS detector.” Journal of Instrumentation, vol. 17, no. 3, Mar. 2022. Scopus, doi:10.1088/1748-0221/17/03/P03021.
Akimov D, An P, Awe C, Barbeau PS, Becker B, Belov V, Bernardi I, Blackston MA, Bock C, Bolozdynya A, Browning J, Cabrera-Palmer B, Chernyak D, Conley E, Daughhetee J, Detwiler J, Ding K, Durand MR, Efremenko Y, Elliott SR, Fabris L, Febbraro M, Gallo Rosso A, Galindo-Uribarri A, Green MP, Heath MR, Hedges S, Hoang D, Hughes M, Johnson T, Khromov A, Konovalov A, Kozlova E, Kumpan A, Li L, Link JM, Liu J, Mann K, Markoff DM, Mastroberti J, Mueller PE, Newby J, Parno DS, Penttila SI, Pershey D, Rapp R, Ray H, Raybern J, Razuvaeva O, Reyna D, Rich GC, Ross J, Rudik D, Runge J, Salvat DJ, Salyapongse AM, Scholberg K, Shakirov A, Simakov G, Sinev G, Snow WM, Sosnovstsev V, Suh B, Tayloe R, Tellez-Giron-Flores K, Tolstukhin I, Ujah E, Vanderwerp J, Varner RL, Virtue CJ, Visser G, Wongjirad T, Yen YR, Yoo J, Yu CH, Zettlemoyer J, Johnson BA. Monitoring the SNS basement neutron background with the MARS detector. Journal of Instrumentation. 2022 Mar 1;17(3).
Journal cover image

Published In

Journal of Instrumentation

DOI

EISSN

1748-0221

Publication Date

March 1, 2022

Volume

17

Issue

3

Related Subject Headings

  • Nuclear & Particles Physics
  • 51 Physical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences