Joint Measurement of the U-235 Antineutrino Spectrum by PROSPECT and STEREO

H. Almazan; M. Andriamirado; A. B. Balantekin; H. R. Band; C. D. Bass; D. E. Bergeron; L. Bernard; A. Blanchet; A. Bonhomme; N. S. Bowden; C. D. Bryan; C. Buck; T. Classen; A. J. Conant; G. Deichert; P. del Amo Sanchez; A. Delgado; M. Diwan; M. J. Dolinski; El Atmani; A. Erickson; B. T. Foust; J. K. Gaison; A. Galindo-Uribarri; C. E. Gilbert; S. Hans; A. B. Hansell; K. M. Heeger; B. Heffron; D. E. Jaffe; S. Jayakumar; X. Ji; D. C. Jones; J. Koblanski; O. Kyzylova; L. Labit; J. Lamblin; C. E. Lane; T. J. Langford; J. LaRosa; A. Letourneau; D. Lhuillier; M. Licciardi; M. Lindner; B. R. Littlejohn; X. Lu; J. Maricic; T. Materna; M. P. Mendenhall; A. M. Meyer; R. Milincic; P. E. Mueller; H. P. Mumm; J. Napolitano; R. Neilson; J. A. Nikkel; S. Nour; J. L. Palomino; H. Pessard; D. A. Pushin; X. Qian; J-S Real; J-S Ricol; C. Roca; R. Rogly; R. Rosero; T. Salagnac; Savu; S. Schoppmann; M. Searles; Sergeyeva; T. Soldner; A. Stutz; P. T. Surukuchi; M. A. Tyra; R. L. Varner; D. Venegas-Vargas; M. Vialat; P. B. Weatherly; C. White; J. Wilhelmi; A. Woolverton; M. Yeh; C. Zhang; X. Zhang; PROSPECT Collaboration

doi:10.1103/PhysRevLett.128.081802

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Joint Measurement of the U-235 Antineutrino Spectrum by PROSPECT and STEREO

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Joint Measurement of the U-235 Antineutrino Spectrum by PROSPECT and STEREO

H. Almazan, M. Andriamirado, A. B. Balantekin, H. R. Band, C. D. Bass, D. E. Bergeron, L. Bernard, A. Blanchet, A. Bonhomme, N. S. Bowden, …

Physical review letters, v 128(8)

22 Feb 2022

DOI: https://doi.org/10.1103/PhysRevLett.128.081802

PMID: 35275665

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http://arxiv.org/abs/2107.03371View

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Abstract

Physical Sciences

Physics

Physics, Multidisciplinary

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The PROSPECT and STEREO collaborations present a combined measurement of the pure U-235 antineutrino spectrum, without site specific corrections or detector-dependent effects. The spectral measurements of the two highest precision experiments at research reactors are found to be compatible with chi(2)/ndf = 24.1/21, allowing a joint unfolding of the prompt energy measurements into antineutrino energy. This (nu) over bar (e) energy spectrum is provided to the community, and an excess of events relative to the Huber model is found in the 5-6 MeV region. When a Gaussian bump is fitted to the excess, the data-model chi(2) value is improved, corresponding to a 2.4 sigma significance.

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Title: Joint Measurement of the U-235 Antineutrino Spectrum by PROSPECT and STEREO
Creators: H. Almazan - Max Planck Inst R Kernphys, Saupfercheckweg 1, D-69117 Heidelberg, Germany
M. Andriamirado - IIT, Dept Phys, Chicago, IL 60616 USA
A. B. Balantekin - Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA
H. R. Band - Yale Univ, Dept Phys, Wright Lab, New Haven, CT USA
C. D. Bass - Le Moyne Coll, Dept Phys, Syracuse, NY USA
D. E. Bergeron - NIST, Gaithersburg, MD 20899 USA
L. Bernard - Laboratory of Subatomic Physics and Cosmology
A. Blanchet - Institut de Recherche sur les Lois Fondamentales de l'Univers
A. Bonhomme - Institut de Recherche sur les Lois Fondamentales de l'Univers
N. S. Bowden - Lawrence Livermore Natl Lab, Nucl & Chem Sci Div, Livermore, CA 94550 USA
C. D. Bryan - Oak Ridge Natl Lab, High Flux Isotope Reactor, Oak Ridge, TN USA
C. Buck - Max Planck Inst R Kernphys, Saupfercheckweg 1, D-69117 Heidelberg, Germany
T. Classen - Lawrence Livermore Natl Lab, Nucl & Chem Sci Div, Livermore, CA 94550 USA
A. J. Conant - Oak Ridge Natl Lab, High Flux Isotope Reactor, Oak Ridge, TN USA
G. Deichert - Oak Ridge Natl Lab, High Flux Isotope Reactor, Oak Ridge, TN USA
P. del Amo Sanchez - Univ Savoie Mt Blanc, CNRS, LAPP IN2P3, F-74000 Annecy, France
A. Delgado - Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA
M. Diwan - Brookhaven Natl Lab, Upton, NY 11973 USA
M. J. Dolinski - Drexel University
El Atmani - Univ Paris Saclay, CEA, IRFU, F-91191 Gif Sur Yvette, France
A. Erickson - Supreme Council Of Health
B. T. Foust - Yale Univ, Dept Phys, Wright Lab, New Haven, CT USA
J. K. Gaison - Yale Univ, Dept Phys, Wright Lab, New Haven, CT USA
A. Galindo-Uribarri - Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA
C. E. Gilbert - Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA
S. Hans - Brookhaven Natl Lab, Upton, NY 11973 USA
A. B. Hansell - Temple Univ, Dept Phys, Philadelphia, PA 19122 USA
K. M. Heeger - Yale Univ, Dept Phys, Wright Lab, New Haven, CT USA
B. Heffron - Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA
D. E. Jaffe - Brookhaven Natl Lab, Upton, NY 11973 USA
S. Jayakumar - Drexel Univ, Dept Phys, Philadelphia, PA 19104 USA
X. Ji - Brookhaven Natl Lab, Upton, NY 11973 USA
D. C. Jones - Temple Univ, Dept Phys, Philadelphia, PA 19122 USA
J. Koblanski - Univ Hawaii, Dept Phys & Astron, Honolulu, HI 96822 USA
O. Kyzylova - Drexel University
L. Labit - Laboratoire d'Annecy-le-Vieux de Physique des Particules
J. Lamblin - Laboratory of Subatomic Physics and Cosmology
C. E. Lane - Drexel University
T. J. Langford - Yale Univ, Dept Phys, Wright Lab, New Haven, CT USA
J. LaRosa - NIST, Gaithersburg, MD 20899 USA
A. Letourneau - Institut de Recherche sur les Lois Fondamentales de l'Univers
D. Lhuillier - Institut de Recherche sur les Lois Fondamentales de l'Univers
M. Licciardi - Laboratory of Subatomic Physics and Cosmology
M. Lindner - Max Planck Inst R Kernphys, Saupfercheckweg 1, D-69117 Heidelberg, Germany
B. R. Littlejohn - IIT, Dept Phys, Chicago, IL 60616 USA
X. Lu - Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA
J. Maricic - Univ Hawaii, Dept Phys & Astron, Honolulu, HI 96822 USA
T. Materna - Institut de Recherche sur les Lois Fondamentales de l'Univers
M. P. Mendenhall - Lawrence Livermore Natl Lab, Nucl & Chem Sci Div, Livermore, CA 94550 USA
A. M. Meyer - Univ Hawaii, Dept Phys & Astron, Honolulu, HI 96822 USA
R. Milincic - Univ Hawaii, Dept Phys & Astron, Honolulu, HI 96822 USA
P. E. Mueller - Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA
H. P. Mumm - NIST, Gaithersburg, MD 20899 USA
J. Napolitano - Temple Univ, Dept Phys, Philadelphia, PA 19122 USA
R. Neilson - Drexel University
J. A. Nikkel - Yale Univ, Dept Phys, Wright Lab, New Haven, CT USA
S. Nour - NIST, Gaithersburg, MD 20899 USA
J. L. Palomino - IIT, Dept Phys, Chicago, IL 60616 USA
H. Pessard - Laboratoire d'Annecy-le-Vieux de Physique des Particules
D. A. Pushin - Univ Waterloo, Inst Quantum Comp, Waterloo, ON, Canada
X. Qian - Brookhaven Natl Lab, Upton, NY 11973 USA
J-S Real - Laboratory of Subatomic Physics and Cosmology
J-S Ricol - Laboratory of Subatomic Physics and Cosmology
C. Roca - Max Planck Inst R Kernphys, Saupfercheckweg 1, D-69117 Heidelberg, Germany
R. Rogly - Institut de Recherche sur les Lois Fondamentales de l'Univers
R. Rosero - Brookhaven Natl Lab, Upton, NY 11973 USA
T. Salagnac - Laboratory of Subatomic Physics and Cosmology
Savu - Univ Paris Saclay, CEA, IRFU, F-91191 Gif Sur Yvette, France
S. Schoppmann - Max Planck Inst R Kernphys, Saupfercheckweg 1, D-69117 Heidelberg, Germany
M. Searles - Oak Ridge Natl Lab, High Flux Isotope Reactor, Oak Ridge, TN USA
Sergeyeva - Univ Savoie Mt Blanc, CNRS, LAPP IN2P3, F-74000 Annecy, France
T. Soldner - Institut Laue-Langevin
A. Stutz - Laboratory of Subatomic Physics and Cosmology
P. T. Surukuchi - Yale Univ, Dept Phys, Wright Lab, New Haven, CT USA
M. A. Tyra - NIST, Gaithersburg, MD 20899 USA
R. L. Varner - Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA
D. Venegas-Vargas - Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA
M. Vialat - Institut Laue-Langevin
P. B. Weatherly - Drexel University
C. White - IIT, Dept Phys, Chicago, IL 60616 USA
J. Wilhelmi - Yale Univ, Dept Phys, Wright Lab, New Haven, CT USA
A. Woolverton - Univ Waterloo, Inst Quantum Comp, Waterloo, ON, Canada
M. Yeh - Brookhaven Natl Lab, Upton, NY 11973 USA
C. Zhang - Brookhaven Natl Lab, Upton, NY 11973 USA
X. Zhang - Lawrence Livermore Natl Lab, Nucl & Chem Sci Div, Livermore, CA 94550 USA
PROSPECT Collaboration
Publication Details: Physical review letters, v 128(8)
Publisher: Amer Physical Soc
Number of pages: 7
Grant note: Max Planck Society; Foundation CELLEX NA-241 / National Nuclear Security Administrations Office of International Nuclear Safeguards Yale University ANR-13-BS05-0007 / French National Research Agency (ANR) Brookhaven National Laboratory; United States Department of Energy (DOE) CEA; French Atomic Energy Commission Province of Ontario RGPIN-418579 / Natural Sciences and Engineering Research Council of Canada (NSERC) Discovery program; Natural Sciences and Engineering Research Council of Canada (NSERC) DE-AC05-00OR22725 / Oak Ridge National Laboratory; United States Department of Energy (DOE) 2016-117 / Heising-Simons Foundation High Flux Isotope Reactor Illinois Institute of Technology Oak Ridge National Laboratory; United States Department of Energy (DOE) Canada First Research Excellence Fund (CFREF) National Institute of Standards and Technology; National Institute of Standards & Technology (NIST) - USA CNRS/IN2P3; Centre National de la Recherche Scientifique (CNRS) DE-SC0016357; DE-SC0017660; DE-SC0017815; DE-SC0008347; DE-SC0016060; DE-SC0012704; SCW1504 / U.S. Department of Energy (DOE) Office of Science, Office of High Energy Physics; United States Department of Energy (DOE) DE-AC52-07NA27344 / U.S. Department of Energy by Lawrence Livermore National Laboratory; United States Department of Energy (DOE) Lawrence Livermore National Laboratory LDRD program NSF Graduate Research Fellowship Program; National Science Foundation (NSF)
Resource Type: Journal article
Language: English
Academic Unit: Physics
Web of Science ID: WOS:000766657400006
Scopus ID: 2-s2.0-85125644734
Other Identifier: 991019167872004721

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Collaboration types: Domestic collaboration; International collaboration
Web of Science research areas: Physics, Multidisciplinary

Joint Measurement of the U-235 Antineutrino Spectrum by PROSPECT and STEREO

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