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

P An^{1

2}, C Awe^{1

2}, P S Barbeau^{1

2}, B Becker³, V Belov^{4

5}, I Bernardi³, C Bock⁶, A Bolozdynya⁴, R Bouabid^{1

2}, A Brown^{2

7}, J Browning⁸, B Cabrera-Palmer⁹, M Cervantes¹, E Conley¹, J Daughhetee¹⁰, J Detwiler¹¹, K Ding⁶, M R Durand¹¹, Y Efremenko^{3

10}, S R Elliott¹², L Fabris¹⁰, M Febbraro¹⁰, A Gallo Rosso¹³, A Galindo-Uribarri^{3

10}, A C Germer¹⁴, M P Green^{2

8

10}, J Hakenmüller¹, M R Heath¹⁰, S Hedges^{1

2}, M Hughes¹⁵, B A Johnson¹⁵, T Johnson^{1

2}, A Khromov⁴, A Konovalov⁴, E Kozlova⁴, A Kumpan⁴, O Kyzylova¹⁶, L Li^{1

2}, J M Link¹⁶, J Liu⁶, M Mahoney¹⁴, A Major¹, K Mann⁸, D M Markoff^{2

7}, J Mastroberti¹⁵, J Mattingly¹⁷, P E Mueller¹⁰, J Newby¹⁰, D S Parno¹⁴, S I Penttila¹⁰, D Pershey¹, C G Prior^{1

2}, R Rapp¹⁸, H Ray¹⁹, J Raybern¹, O Razuvaeva^{4

5}, D Reyna⁹, G C Rich², J Ross^{2

7}, D Rudik⁴, J Runge^{1

2}, D J Salvat¹⁵, J Sander⁶, K Scholberg¹, A Shakirov⁴, G Simakov^{4

5}, G Sinev¹, C Skuse¹⁴, W M Snow¹⁵, V Sosnovtsev⁴, T Subedi^{16

20}, B Suh¹⁵, R Tayloe¹⁵, K Tellez-Giron-Flores¹⁶, Y-T Tsai²¹, E Ujah^{2

7}, J Vanderwerp¹⁵, E E van Nieuwenhuizen^{1

2}, R L Varner¹⁰, C J Virtue¹³, G Visser¹⁵, K Walkup¹⁶, E M Ward³, T Wongjirad²², J Yoo²³, C-H Yu¹⁰, A Zawada², J Zettlemoyer¹⁵, A Zderic¹¹

Affiliations

¹ Department of Physics, Duke University, Durham, North Carolina 27708, USA.
² Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA.
³ Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA.
⁴ National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Moscow 115409, Russian Federation.
⁵ National Research Center "Kurchatov Institute," Moscow, 123182, Russian Federation.
⁶ Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA.
⁷ Department of Mathematics and Physics, North Carolina Central University, Durham, North Carolina 27707, USA.
⁸ Department of Physics, North Carolina State University, Raleigh, North Carolina 27695, USA.
⁹ Sandia National Laboratories, Livermore, California 94550, USA.
¹⁰ Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA.
¹¹ Center for Experimental Nuclear Physics and Astrophysics and Department of Physics, University of Washington, Seattle, Washington 98195, USA.
¹² Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
¹³ Department of Physics, Laurentian University, Sudbury, Ontario P3E 2C6, Canada.
¹⁴ Department of Physics, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.
¹⁵ Department of Physics, Indiana University, Bloomington, Indiana 47405, USA.
¹⁶ Center for Neutrino Physics, Virginia Tech, Blacksburg, Virginia 24061, USA.
¹⁷ Department of Nuclear Engineering, North Carolina State University, Raleigh, North Carolina 27695, USA.
¹⁸ Washington & Jefferson College, Washington, Pennsylvania 15301, USA.
¹⁹ Department of Physics, University of Florida, Gainesville, Florida 32611, USA.
²⁰ Department of Physical and Environmental Sciences, Concord University, Athens, West Virginia 24712, USA.
²¹ SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA.
²² Department of Physics and Astronomy, Tufts University, Medford, Massachusetts 02155, USA.
²³ Department of Physics and Astronomy, Seoul National University, Seoul, 08826, Korea.

PMID: 38101357
DOI: 10.1103/PhysRevLett.131.221801

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

P An et al. Phys Rev Lett. 2023.

. 2023 Dec 1;131(22):221801.

doi: 10.1103/PhysRevLett.131.221801.

Authors

Affiliations

¹ Department of Physics, Duke University, Durham, North Carolina 27708, USA.
² Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA.
³ Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA.
⁴ National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Moscow 115409, Russian Federation.
⁵ National Research Center "Kurchatov Institute," Moscow, 123182, Russian Federation.
⁶ Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA.
⁷ Department of Mathematics and Physics, North Carolina Central University, Durham, North Carolina 27707, USA.
⁸ Department of Physics, North Carolina State University, Raleigh, North Carolina 27695, USA.
⁹ Sandia National Laboratories, Livermore, California 94550, USA.
¹⁰ Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA.
¹¹ Center for Experimental Nuclear Physics and Astrophysics and Department of Physics, University of Washington, Seattle, Washington 98195, USA.
¹² Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
¹³ Department of Physics, Laurentian University, Sudbury, Ontario P3E 2C6, Canada.
¹⁴ Department of Physics, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.
¹⁵ Department of Physics, Indiana University, Bloomington, Indiana 47405, USA.
¹⁶ Center for Neutrino Physics, Virginia Tech, Blacksburg, Virginia 24061, USA.
¹⁷ Department of Nuclear Engineering, North Carolina State University, Raleigh, North Carolina 27695, USA.
¹⁸ Washington & Jefferson College, Washington, Pennsylvania 15301, USA.
¹⁹ Department of Physics, University of Florida, Gainesville, Florida 32611, USA.
²⁰ Department of Physical and Environmental Sciences, Concord University, Athens, West Virginia 24712, USA.
²¹ SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA.
²² Department of Physics and Astronomy, Tufts University, Medford, Massachusetts 02155, USA.
²³ Department of Physics and Astronomy, Seoul National University, Seoul, 08826, Korea.

PMID: 38101357
DOI: 10.1103/PhysRevLett.131.221801

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 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.

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

Affiliations

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

Authors

Affiliations

Abstract

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