Publication: First Measurement of Coherent Elastic Neutrino-Nucleus Scattering on Argon
Дата
2021
Авторы
Albert, J. B.
An, P.
Awe, C.
Barbeau, P. S.
Akimov, D.
Belov, V.
Bolozdynya, A.
Khromov, A.
Konovalov, A.
Kozlova, E.
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Аннотация
© 2021 American Physical Society. All rights reserved.We report the first measurement of coherent elastic neutrino-nucleus scattering (CEvNS) on argon using a liquid argon detector at the Oak Ridge National Laboratory Spallation Neutron Source. Two independent analyses prefer CEvNS over the background-only null hypothesis with greater than 3σ significance. The measured cross section, averaged over the incident neutrino flux, is (2.2±0.7)×10-39 cm2 - consistent with the standard model prediction. The neutron-number dependence of this result, together with that from our previous measurement on CsI, confirms the existence of the CEvNS process and provides improved constraints on nonstandard neutrino interactions.
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First Measurement of Coherent Elastic Neutrino-Nucleus Scattering on Argon / Albert, J.B. [et al.] // Physical Review Letters. - 2021. - 126. - № 1. - 10.1103/PhysRevLett.126.012002
URI
https://www.doi.org/10.1103/PhysRevLett.126.012002
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http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000605556900005
https://openrepository.mephi.ru/handle/123456789/23563