First Constraint on Coherent Elastic Neutrino-Nucleus Scattering in
  Argon

COHERENT Collaboration, null; Akimov, D.; Albert, J. B.; An, P.; Awe, C.; Barbeau, P. S.; Becker, B.; Belov, V.; Blackston, M. A.; Bolozdynya, A.; Cabrera-Palmer, B.; Cervantes, M.; Collar, J. I.; Cooper, R. L.; Daughhetee, J.; Coello, M. del Valle; Detwiler, J. A.; D'Onofrio, M.; Efremenko, Y; Erkela, E. M.; Elliott, S. R.; Fabris, L.; Febbraro, M.; Fox, W.; Galindo-Uribarri, A; Green, M. P.; Hansen, K. S.; Heath, M. R.; Hedges, S.; Johnson, T.; Kaemingk, M.; Kaufman, L. J.; Khromov, A; Konovalov, A.; Kozlova, E.; Kumpan, A.; Li, L.; Librande, J. T.; Link, J. M.; Liu, J.; Mann, K.; Markoff, D M; Moreno, H; Mueller, P. E.; Newby, J.; Parno, D. S.; Penttilä, S; Pershey, D.; Radford, D.; Rapp, R.; Ray, H.; Raybern, J.; Razuvaeva, O.; Reyna, D.; Rich, G. C.; Rudik, D.; Runge, J.; Salvat, D. J.; Scholberg, K; Shakirov, A.; Simakov, G.; Sinev, G.; Snow, W. M.; Sosnovtsev, V.; Suh, B.; Tayloe, R.; Tellez-Giron-Flores, K.; Thornton, R. T.; Tolstukhin, I.; Vanderwerp, J.; Varner, R. L.; Virtue, C. J.; Visser, G.; Wiseman, C.; Wongjirad, T.; Yang, J; Yen, Y. -R.; Yoo, J.; Yu, C. -H.; Zettlemoyer, J.

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First Constraint on Coherent Elastic Neutrino-Nucleus Scattering in Argon

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Author(s): COHERENT Collaboration , D. Akimov , J. B. Albert , P. An , C. Awe , P. S. Barbeau , B. Becker , V. Belov , M. A. Blackston , A. Bolozdynya , B. Cabrera-Palmer , M. Cervantes , J. I. Collar , R. L. Cooper , J. Daughhetee , M. del Valle Coello , J. A. Detwiler , M. D'Onofrio , Y. Efremenko , E. M. Erkela , S. R. Elliott , L. Fabris , M. Febbraro , W. Fox , A. Galindo-Uribarri , M. P. Green , K. S. Hansen , M. R. Heath , S. Hedges , T. Johnson , M. Kaemingk , L. J. Kaufman , A. Khromov , A. Konovalov , E. Kozlova , A. Kumpan , L. Li , J. T. Librande , J. M. Link , J. Liu , K. Mann , D. M. Markoff , H. Moreno , P. E. Mueller , J. Newby , D. S. Parno , S. Penttila , D. Pershey , D. Radford , R. Rapp , H. Ray , J. Raybern , O. Razuvaeva , D. Reyna , G. C. Rich , D. Rudik , J. Runge , D. J. Salvat , K. Scholberg , A. Shakirov , G. Simakov , G. Sinev , W. M. Snow , V. Sosnovtsev , B. Suh , R. Tayloe , K. Tellez-Giron-Flores , R. T. Thornton , I. Tolstukhin , J. Vanderwerp , R. L. Varner , C. J. Virtue , G. Visser , C. Wiseman , T. Wongjirad , J. Yang , Y. -R. Yen , J. Yoo , C. -H. Yu , J. Zettlemoyer

Publication date Created: 12 September 2019

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Abstract

Coherent elastic neutrino-nucleus scattering (CEvNS) is the dominant neutrino scattering channel for neutrinos of energy \(E_\nu < 100\) MeV. We report a limit for this process using data collected in an engineering run of the 29 kg CENNS-10 liquid argon detector located 27.5 m from the Oak Ridge National Laboratory Spallation Neutron Source (SNS) Hg target with \(4.2\times 10^{22}\) protons on target. The dataset yielded \(< 7.4\) observed CEvNS events implying a cross section for the process, averaged over the SNS pion decay-at-rest flux, of \(<3.4 \times 10^{-39}\) cm\(^{2}\), a limit within twice the Standard Model prediction. This is the first limit on CEvNS from an argon nucleus and confirms the earlier CsI non-standard neutrino interaction constraints from the collaboration. This run demonstrated the feasibility of the ongoing experimental effort to detect CEvNS with liquid argon.