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PhysRevLett.124.161802.pdf286.28 kBAdobe PDF見る/開く
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dc.contributor.authorAli, A.en
dc.contributor.authorAshida, Y.en
dc.contributor.authorBan, S.en
dc.contributor.authorHayashino, T.en
dc.contributor.authorHiramoto, A.en
dc.contributor.authorIchikawa, A. K.en
dc.contributor.authorJiang, M.en
dc.contributor.authorKikawa, T.en
dc.contributor.authorKubo, H.en
dc.contributor.authorKuribayashi, S.en
dc.contributor.authorNakamura, K. G.en
dc.contributor.authorNakaya, T.en
dc.contributor.authorOdagawa, T.en
dc.contributor.authorTajima, M.en
dc.contributor.authorUno, W.en
dc.contributor.authorWendell, R.en
dc.contributor.authorYasutome, K.en
dc.contributor.authorThe T2K Collaborationen
dc.contributor.alternative市川, 温子ja
dc.contributor.alternative木河, 達也ja
dc.contributor.alternative中家, 剛ja
dc.date.accessioned2020-05-11T06:08:27Z-
dc.date.available2020-05-11T06:08:27Z-
dc.date.issued2020-04-24-
dc.identifier.issn0031-9007-
dc.identifier.urihttp://hdl.handle.net/2433/250784-
dc.description.abstractElectron 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 2.40σ 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.en
dc.format.mimetypeapplication/pdf-
dc.language.isoeng-
dc.publisherAmerican Physical Society (APS)en
dc.rightsPublished by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.en
dc.titleSearch for Electron Antineutrino Appearance in a Long-Baseline Muon Antineutrino Beamen
dc.typejournal article-
dc.type.niitypeJournal Article-
dc.identifier.ncidAA00773679-
dc.identifier.jtitlePhysical Review Lettersen
dc.identifier.volume124-
dc.identifier.issue16-
dc.relation.doi10.1103/PhysRevLett.124.161802-
dc.textversionpublisher-
dc.identifier.artnum161802-
dc.identifier.pmid32383902-
dcterms.accessRightsopen access-
dc.identifier.pissn0031-9007-
dc.identifier.eissn1079-7114-
出現コレクション:学術雑誌掲載論文等

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