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Article ; Online: Measurement of Electron-Neutrino Charged-Current Cross Sections on ^{127}I with the COHERENT NaIνE Detector.

An, P / Awe, C / Barbeau, P S / Becker, B / Belov, V / Bernardi, I / Bock, C / Bolozdynya, A / Bouabid, R / Brown, A / Browning, J / Cabrera-Palmer, B / Cervantes, M / Conley, E / Daughhetee, J / Detwiler, J / Ding, K / Durand, M R / Efremenko, Y /
Elliott, S R / Fabris, L / Febbraro, M / Gallo Rosso, A / Galindo-Uribarri, A / Germer, A C / Green, M P / Hakenmüller, J / Heath, M R / Hedges, S / Hughes, M / Johnson, B A / Johnson, T / Khromov, A / Konovalov, A / Kozlova, E / Kumpan, A / Kyzylova, O / Li, L / Link, J M / Liu, J / Mahoney, M / Major, A / Mann, K / Markoff, D M / Mastroberti, J / Mattingly, J / Mueller, P E / Newby, J / Parno, D S / Penttila, S I / Pershey, D / Prior, C G / Rapp, R / Ray, H / Raybern, J / Razuvaeva, O / Reyna, D / Rich, G C / Ross, J / Rudik, D / Runge, J / Salvat, D J / Sander, J / Scholberg, K / Shakirov, A / Simakov, G / Sinev, G / Skuse, C / Snow, W M / Sosnovtsev, V / Subedi, T / Suh, B / Tayloe, R / Tellez-Giron-Flores, K / Tsai, Y-T / Ujah, E / Vanderwerp, J / van Nieuwenhuizen, E E / Varner, R L / Virtue, C J / Visser, G / Walkup, K / Ward, E M / Wongjirad, T / Yoo, J / Yu, C-H / Zawada, A / Zettlemoyer, J / Zderic, A

Physical review letters

2023  Volume 131, Issue 22, Page(s) 221801

Abstract: Using an 185-kg NaI[Tl] array, COHERENT has measured the inclusive electron-neutrino charged-current cross section on ^{127}I with pion decay-at-rest neutrinos produced by the Spallation Neutron Source at Oak Ridge National Laboratory. Iodine is one the ... ...

Abstract Using an 185-kg NaI[Tl] array, COHERENT has measured the inclusive electron-neutrino charged-current cross section on ^{127}I with pion decay-at-rest neutrinos produced by the Spallation Neutron Source at Oak Ridge National Laboratory. Iodine is one the heaviest targets for which low-energy (≤50  MeV) inelastic neutrino-nucleus processes have been measured, and this is the first measurement of its inclusive cross section. After a five-year detector exposure, COHERENT reports a flux-averaged cross section for electron neutrinos of 9.2_{-1.8}^{+2.1}×10^{-40}  cm^{2}. This corresponds to a value that is ∼41% lower than predicted using the MARLEY event generator with a measured Gamow-Teller strength distribution. In addition, the observed visible spectrum from charged-current scattering on ^{127}I has been measured between 10 and 55 MeV, and the exclusive zero-neutron and one-or-more-neutron emission cross sections are measured to be 5.2_{-3.1}^{+3.4}×10^{-40} and 2.2_{-0.5}^{+0.4}×10^{-40}  cm^{2}, respectively.
Language English
Publishing date 2023-12-15
Publishing country United States
Document type Journal Article
ZDB-ID 208853-8
ISSN 1079-7114 ; 0031-9007
ISSN (online) 1079-7114
ISSN 0031-9007
DOI 10.1103/PhysRevLett.131.221801
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