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Title: First constraint on coherent elastic neutrino-nucleus scattering in argon

Journal Article · · Physical Review. D.

Coherent elastic neutrino-nucleus scattering (CEvNS) is the dominant neutrino scattering channel for neutrinos of energy Eν<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 4.2×1022 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 <3.4×10-39 cm2, 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.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States); Sandia National Lab. (SNL-CA), Livermore, CA (United States); Carnegie Mellon Univ., Pittsburgh, PA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP); USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Organization:
COHERENT Collaboration
Grant/Contract Number:
89233218CNA000001; AC02-76SF00515; AC05-00OR22725; SC0020518; IBS-R017-G1-2019-a00; 17-02-01077 A; AC04-94AL85000; SC0010118
OSTI ID:
1577892
Alternate ID(s):
OSTI ID: 1591638; OSTI ID: 1600647; OSTI ID: 1604046; OSTI ID: 1606930; OSTI ID: 1697987; OSTI ID: 1755597
Report Number(s):
LA-UR-19-28853; SAND-2019-11661J; PRVDAQ; 115020
Journal Information:
Physical Review. D., Journal Name: Physical Review. D. Vol. 100 Journal Issue: 11; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 17 works
Citation information provided by
Web of Science

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