Akimov, D, Albert, JB, An, P, Awe, C, Barbeau, PS, Becker, B, Belov, V, Blackston, MA, Bolozdynya, A, Cabrera-Palmer, B et al (show 69 more authors)
(2019)
First constraint on coherent elastic neutrino-nucleus scattering in argon.
Physical Review D, 100 (11).
Abstract
Coherent elastic neutrino-nucleus scattering (CEvNS) is calculated to be the dominant neutrino scattering channel for neutrinos of energy Eν<100 MeV. We report a limit for this process from data collected in an engineering run of the 29 kg CENNS-10 liquid argon detector located 27.5 m from the pion decay-at-rest neutrino source at the Oak Ridge National Laboratory Spallation Neutron Source (SNS) with 4.2×1022 protons on target. The dataset provided constraints on beam-related backgrounds critical for future measurements and yielded <7.4 candidate CEvNS events which implies 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[Na] nonstandard neutrino interaction constraints from the collaboration. This run demonstrated the feasibility of the ongoing experimental effort to detect CEvNS with liquid argon.
| Item Type: | Article |
|---|---|
| Depositing User: | Symplectic Admin |
| Date Deposited: | 05 Feb 2020 09:47 |
| Last Modified: | 19 Jan 2023 00:04 |
| DOI: | 10.1103/physrevd.100.115020 |
| Open Access URL: | https://doi.org/10.1103/PhysRevD.100.115020 |
| Related URLs: | |
| URI: | https://livrepository.liverpool.ac.uk/id/eprint/3073555 |
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