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Joint Determination of Reactor Antineutrino Spectra from
An, F P; Andriamirado, M; Balantekin, A B; Band, H R; Bass, C D; Bergeron, D E; Berish, D; Bishai, M; Blyth, S; Bowden, N S; Bryan, C D; Cao, G F; Cao, J; Chang, J F; Chang, Y; Chen, H S; Chen, S M; Chen, Y; Chen, Y X; Cheng, J; Cheng, Z K; Cherwinka, J J; Chu, M C; Classen, T; Conant, A J; Cummings, J P; Dalager, O; Deichert, G; Delgado, A; Deng, F S; Ding, Y Y; Diwan, M V; Dohnal, T; Dolinski, M J; Dolzhikov, D; Dove, J; Dvorák, M; Dwyer, D A; Erickson, A; Foust, B T; Gaison, J K; Galindo-Uribarri, A; Gallo, J P; Gilbert, C E; Gonchar, M; Gong, G H; Gong, H; Grassi, M; Gu, W Q; Guo, J Y.
  • An FP; Institute of Modern Physics, East China University of Science and Technology, Shanghai.
  • Andriamirado M; Department of Physics, Illinois Institute of Technology, Chicago, Illinois.
  • Balantekin AB; Department of Physics, University of Wisconsin, Madison, Madison, Wisconsin.
  • Band HR; Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut.
  • Bass CD; Department of Physics, Le Moyne College, Syracuse, New York.
  • Bergeron DE; National Institute of Standards and Technology, Gaithersburg, Maryland.
  • Berish D; Department of Physics, Temple University, Philadelphia, Pennsylvania.
  • Bishai M; Brookhaven National Laboratory, Upton, New York.
  • Blyth S; Department of Physics, National Taiwan University, Taipei.
  • Bowden NS; Nuclear and Chemical Sciences Division, Lawrence Livermore National Laboratory, Livermore, California.
  • Bryan CD; High Flux Isotope Reactor, Oak Ridge National Laboratory, Oak Ridge, Tennessee.
  • Cao GF; Institute of High Energy Physics, Beijing.
  • Cao J; Institute of High Energy Physics, Beijing.
  • Chang JF; Institute of High Energy Physics, Beijing.
  • Chang Y; National United University, Miao-Li.
  • Chen HS; Institute of High Energy Physics, Beijing.
  • Chen SM; Department of Engineering Physics, Tsinghua University, Beijing.
  • Chen Y; Shenzhen University, Shenzhen.
  • Chen YX; Sun Yat-Sen (Zhongshan) University, Guangzhou.
  • Cheng J; North China Electric Power University, Beijing.
  • Cheng ZK; Institute of High Energy Physics, Beijing.
  • Cherwinka JJ; Sun Yat-Sen (Zhongshan) University, Guangzhou.
  • Chu MC; Department of Physics, University of Wisconsin, Madison, Madison, Wisconsin.
  • Classen T; Chinese University of Hong Kong, Hong Kong.
  • Conant AJ; Nuclear and Chemical Sciences Division, Lawrence Livermore National Laboratory, Livermore, California.
  • Cummings JP; High Flux Isotope Reactor, Oak Ridge National Laboratory, Oak Ridge, Tennessee.
  • Dalager O; Siena College, Loudonville, New York 12211.
  • Deichert G; Department of Physics and Astronomy, University of California, Irvine, California 92697.
  • Delgado A; High Flux Isotope Reactor, Oak Ridge National Laboratory, Oak Ridge, Tennessee.
  • Deng FS; Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee.
  • Ding YY; Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee.
  • Diwan MV; University of Science and Technology of China, Hefei.
  • Dohnal T; Institute of High Energy Physics, Beijing.
  • Dolinski MJ; Brookhaven National Laboratory, Upton, New York.
  • Dolzhikov D; Charles University, Faculty of Mathematics and Physics, Prague, Czech Republic.
  • Dove J; Department of Physics, Drexel University, Philadelphia, Pennsylvania.
  • Dvorák M; Joint Institute for Nuclear Research, Dubna, Moscow Region, Russia.
  • Dwyer DA; Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801.
  • Erickson A; Institute of High Energy Physics, Beijing.
  • Foust BT; Lawrence Berkeley National Laboratory, Berkeley, California 94720.
  • Gaison JK; George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia.
  • Galindo-Uribarri A; Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut.
  • Gallo JP; Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut.
  • Gilbert CE; Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee.
  • Gonchar M; Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee.
  • Gong GH; Department of Physics, Illinois Institute of Technology, Chicago, Illinois.
  • Gong H; Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee.
  • Grassi M; Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee.
  • Gu WQ; Joint Institute for Nuclear Research, Dubna, Moscow Region, Russia.
  • Guo JY; Department of Engineering Physics, Tsinghua University, Beijing.
Phys Rev Lett ; 128(8): 081801, 2022 Feb 25.
Article en En | MEDLINE | ID: mdl-35275656
ABSTRACT
A joint determination of the reactor antineutrino spectra resulting from the fission of ^{235}U and ^{239}Pu has been carried out by the Daya Bay and PROSPECT Collaborations. This Letter reports the level of consistency of ^{235}U spectrum measurements from the two experiments and presents new results from a joint analysis of both data sets. The measurements are found to be consistent. The combined analysis reduces the degeneracy between the dominant ^{235}U and ^{239}Pu isotopes and improves the uncertainty of the ^{235}U spectral shape to about 3%. The ^{235}U and ^{239}Pu antineutrino energy spectra are unfolded from the jointly deconvolved reactor spectra using the Wiener-SVD unfolding method, providing a data-based reference for other reactor antineutrino experiments and other applications. This is the first measurement of the ^{235}U and ^{239}Pu spectra based on the combination of experiments at low- and highly enriched uranium reactors.
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Texto completo: 1 Banco de datos: MEDLINE Idioma: En Año: 2022 Tipo del documento: Article
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Texto completo: 1 Banco de datos: MEDLINE Idioma: En Año: 2022 Tipo del documento: Article