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Nonfuel Antineutrino Contributions in the High Flux Isotope Reactor.
Balantekin, A B; Band, H R; Bass, C D; Bergeron, D E; Berish, D; Bowden, N S; Brodsky, J P; Bryan, C D; Classen, T; Conant, A J; Deichert, G; Diwan, M V; Dolinski, M J; Erickson, A; Foust, B T; Gaison, J K; Galindo-Uribarri, A; Gilbert, C E; Hackett, B T; Hans, S; Hansell, A B; Heeger, K M; Heffron, B; Jaffe, D E; Ji, X; Jones, D C; Kyzylova, O; Lane, C E; Langford, T J; LaRosa, J; Littlejohn, B R; Lu, X; Maricic, J; Mendenhall, M P; Milincic, R; Mitchell, I; Mueller, P E; Mumm, H P; Napolitano, J; Neilson, R; Nikkel, J A; Norcini, D; Nour, S; Palomino-Gallo, J L; Pushin, D A; Qian, X; Romero-Romero, E; Rosero, R; Surukuchi, P T; Tyra, M A.
Afiliación
  • Balantekin AB; Department of Physics, University of Wisconsin, Madison, Madison, WI 53706, USA.
  • Band HR; Wright Laboratory, Department of Physics, Yale University, New Haven, CT 06520, USA.
  • Bass CD; Department of Physics, Le Moyne College, Syracuse, NY 13214, USA.
  • Bergeron DE; National Institute of Standards and Technology, Gaithersburg, MD 20899, USA.
  • Berish D; Department of Physics, Temple University, Philadelphia, PA 19122, USA.
  • Bowden NS; Nuclear and Chemical Sciences Division, Lawrence Livermore National Laboratory, Livermore, CA 94550, USA.
  • Brodsky JP; Nuclear and Chemical Sciences Division, Lawrence Livermore National Laboratory, Livermore, CA 94550, USA.
  • Bryan CD; High Flux Isotope Reactor, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA.
  • Classen T; Nuclear and Chemical Sciences Division, Lawrence Livermore National Laboratory, Livermore, CA 94550, USA.
  • Conant AJ; George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA.
  • Deichert G; High Flux Isotope Reactor, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA.
  • Diwan MV; High Flux Isotope Reactor, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA.
  • Dolinski MJ; Brookhaven National Laboratory, Upton, NY 11973, USA.
  • Erickson A; Department of Physics, Drexel University, Philadelphia, PA 19104, USA.
  • Foust BT; George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA.
  • Gaison JK; Wright Laboratory, Department of Physics, Yale University, New Haven, CT 06520, USA.
  • Galindo-Uribarri A; Wright Laboratory, Department of Physics, Yale University, New Haven, CT 06520, USA.
  • Gilbert CE; Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA.
  • Hackett BT; Department of Physics and Astronomy, University of Tennessee, Knoxville, TN 37996, USA.
  • Hans S; Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA.
  • Hansell AB; Department of Physics and Astronomy, University of Tennessee, Knoxville, TN 37996, USA.
  • Heeger KM; Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA.
  • Heffron B; Department of Physics and Astronomy, University of Tennessee, Knoxville, TN 37996, USA.
  • Jaffe DE; Brookhaven National Laboratory, Upton, NY 11973, USA.
  • Ji X; Department of Physics, Temple University, Philadelphia, PA 19122, USA.
  • Jones DC; Wright Laboratory, Department of Physics, Yale University, New Haven, CT 06520, USA.
  • Kyzylova O; Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA.
  • Lane CE; Department of Physics and Astronomy, University of Tennessee, Knoxville, TN 37996, USA.
  • Langford TJ; Brookhaven National Laboratory, Upton, NY 11973, USA.
  • LaRosa J; Brookhaven National Laboratory, Upton, NY 11973, USA.
  • Littlejohn BR; Department of Physics, Temple University, Philadelphia, PA 19122, USA.
  • Lu X; Department of Physics, Drexel University, Philadelphia, PA 19104, USA.
  • Maricic J; Department of Physics, Drexel University, Philadelphia, PA 19104, USA.
  • Mendenhall MP; Wright Laboratory, Department of Physics, Yale University, New Haven, CT 06520, USA.
  • Milincic R; National Institute of Standards and Technology, Gaithersburg, MD 20899, USA.
  • Mitchell I; Department of Physics, Illinois Institute of Technology, Chicago, IL 60616, USA.
  • Mueller PE; Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA.
  • Mumm HP; Department of Physics and Astronomy, University of Tennessee, Knoxville, TN 37996, USA.
  • Napolitano J; Department of Physics & Astronomy, University of Hawaii, Honolulu, HA 96822, USA.
  • Neilson R; Nuclear and Chemical Sciences Division, Lawrence Livermore National Laboratory, Livermore, CA 94550, USA.
  • Nikkel JA; Department of Physics & Astronomy, University of Hawaii, Honolulu, HA 96822, USA.
  • Norcini D; Department of Physics & Astronomy, University of Hawaii, Honolulu, HA 96822, USA.
  • Nour S; Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA.
  • Palomino-Gallo JL; National Institute of Standards and Technology, Gaithersburg, MD 20899, USA.
  • Pushin DA; Department of Physics, Temple University, Philadelphia, PA 19122, USA.
  • Qian X; Department of Physics, Drexel University, Philadelphia, PA 19104, USA.
  • Romero-Romero E; Wright Laboratory, Department of Physics, Yale University, New Haven, CT 06520, USA.
  • Rosero R; Wright Laboratory, Department of Physics, Yale University, New Haven, CT 06520, USA.
  • Surukuchi PT; National Institute of Standards and Technology, Gaithersburg, MD 20899, USA.
  • Tyra MA; Department of Physics, Illinois Institute of Technology, Chicago, IL 60616, USA.
Phys Rev C ; 1012020.
Article en En | MEDLINE | ID: mdl-33336123
Reactor neutrino experiments have seen major improvements in precision in recent years. With the experimental uncertainties becoming lower than those from theory, carefully considering all sources of ν ¯ e is important when making theoretical predictions. One source of ν ¯ e that is often neglected arises from the irradiation of the nonfuel materials in reactors. The ν ¯ e rates and energies from these sources vary widely based on the reactor type, configuration, and sampling stage during the reactor cycle and have to be carefully considered for each experiment independently. In this article, we present a formalism for selecting the possible ν ¯ e sources arising from the neutron captures on reactor and target materials. We apply this formalism to the High Flux Isotope Reactor (HFIR) at Oak Ridge National Laboratory, the ν ¯ e source for the the Precision Reactor Oscillation and Spectrum Measurement (PROSPECT) experiment. Overall, we observe that the nonfuel ν ¯ e contributions from HFIR to PROSPECT amount to 1% above the inverse beta decay threshold with a maximum contribution of 9% in the 1.8-2.0 MeV range. Nonfuel contributions can be particularly high for research reactors like HFIR because of the choice of structural and reflector material in addition to the intentional irradiation of target material for isotope production. We show that typical commercial pressurized water reactors fueled with low-enriched uranium will have significantly smaller nonfuel ν ¯ e contribution.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev C Año: 2020 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev C Año: 2020 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos