Publication: Search for Electron Antineutrino Appearance in a Long-Baseline Muon Antineutrino Beam
Дата
2020
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Аннотация
Electron antineutrino appearance is measured by the T2K experiment in an accelerator-produced antineutrino beam, using additional neutrino beam operation to constrain parameters of the Pontecorvo-Maki-Nakagawa-Sakata (PMNS) mixing matrix. T2K observes 15 candidate electron antineutrino events with a background expectation of 9.3 events. Including information from the kinematic distribution of observed events, the hypothesis of no electron antineutrino appearance is disfavored with a significance of 2.40s and no discrepancy between data and PMNS predictions is found. A complementary analysis that introduces an additional free parameter which allows non-PMNS values of electron neutrino and antineutrino appearance also finds no discrepancy between data and PMNS predictions.
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Search for Electron Antineutrino Appearance in a Long-Baseline Muon Antineutrino Beam / Abe, K [et al.] // Physical Review Letters. - 2020. - 124. - № 16. - 10.1103/PhysRevLett.124.161802
URI
https://www.doi.org/10.1103/PhysRevLett.124.161802
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https://openrepository.mephi.ru/handle/123456789/21591
https://www.scopus.com/record/display.uri?eid=2-s2.0-85084721555&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000527135200004
https://openrepository.mephi.ru/handle/123456789/21591