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Search for Electron Antineutrino Appearance in a Long-baseline Muon Antineutrino Beam

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Search for Electron Antineutrino Appearance in a Long-baseline Muon Antineutrino Beam. / T2K Collaboration ; Brailsford, D.; Dealtry, T. et al.
In: Physical review letters, Vol. 124, 161802, 21.04.2020.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

T2K Collaboration, Brailsford, D, Dealtry, T, Doyle, TA, Finch, AJ, Knox, A, Kormos, LL, Lawe, M, Nowak, J, O'Keeffe, HM, Ratoff, PN & Walsh, JG 2020, 'Search for Electron Antineutrino Appearance in a Long-baseline Muon Antineutrino Beam', Physical review letters, vol. 124, 161802. https://doi.org/10.1103/PhysRevLett.124.161802

APA

T2K Collaboration, Brailsford, D., Dealtry, T., Doyle, T. A., Finch, A. J., Knox, A., Kormos, L. L., Lawe, M., Nowak, J., O'Keeffe, H. M., Ratoff, P. N., & Walsh, J. G. (2020). Search for Electron Antineutrino Appearance in a Long-baseline Muon Antineutrino Beam. Physical review letters, 124, Article 161802. https://doi.org/10.1103/PhysRevLett.124.161802

Vancouver

T2K Collaboration, Brailsford D, Dealtry T, Doyle TA, Finch AJ, Knox A et al. Search for Electron Antineutrino Appearance in a Long-baseline Muon Antineutrino Beam. Physical review letters. 2020 Apr 21;124:161802. doi: 10.1103/PhysRevLett.124.161802

Author

T2K Collaboration ; Brailsford, D. ; Dealtry, T. et al. / Search for Electron Antineutrino Appearance in a Long-baseline Muon Antineutrino Beam. In: Physical review letters. 2020 ; Vol. 124.

Bibtex

@article{3dba856033414151bfc81a4d2d430746,
title = "Search for Electron Antineutrino Appearance in a Long-baseline Muon Antineutrino Beam",
abstract = " 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 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 2.40{\sigma} 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. ",
keywords = "hep-ex",
author = "{T2K Collaboration} and K. Abe and R. Akutsu and C. Alt and C. Andreopoulos and M. Antonova and S. Aoki and A. Ariga and Y. Asada and Y. Ashida and Atkin, {E. T.} and Y. Awataguchi and S. Ban and M. Barbi and Barker, {G. J.} and G. Barr and C. Barry and M. Batkiewicz-Kwasniak and A. Beloshapkin and F. Bench and V. Berardi and S. Berkman and L. Berns and S. Bhadra and S. Bienstock and A. Blondel and S. Bolognesi and B. Bourguille and D. Brailsford and A. Bravar and Berguno, {D. Bravo} and C. Bronner and A. Bubak and Avanzini, {M. Buizza} and J. Calcutt and T. Campbell and S. Cao and Catanesi, {M. G.} and A. Cervera and A. Chappell and C. Checchia and T. Dealtry and Doyle, {T. A.} and Finch, {A. J.} and A. Knox and Kormos, {L. L.} and M. Lawe and J. Nowak and O'Keeffe, {H. M.} and Ratoff, {P. N.} and Walsh, {J. G.}",
year = "2020",
month = apr,
day = "21",
doi = "10.1103/PhysRevLett.124.161802",
language = "English",
volume = "124",
journal = "Physical review letters",
issn = "1079-7114",
publisher = "American Physical Society",

}

RIS

TY - JOUR

T1 - Search for Electron Antineutrino Appearance in a Long-baseline Muon Antineutrino Beam

AU - T2K Collaboration

AU - Abe, K.

AU - Akutsu, R.

AU - Alt, C.

AU - Andreopoulos, C.

AU - Antonova, M.

AU - Aoki, S.

AU - Ariga, A.

AU - Asada, Y.

AU - Ashida, Y.

AU - Atkin, E. T.

AU - Awataguchi, Y.

AU - Ban, S.

AU - Barbi, M.

AU - Barker, G. J.

AU - Barr, G.

AU - Barry, C.

AU - Batkiewicz-Kwasniak, M.

AU - Beloshapkin, A.

AU - Bench, F.

AU - Berardi, V.

AU - Berkman, S.

AU - Berns, L.

AU - Bhadra, S.

AU - Bienstock, S.

AU - Blondel, A.

AU - Bolognesi, S.

AU - Bourguille, B.

AU - Brailsford, D.

AU - Bravar, A.

AU - Berguno, D. Bravo

AU - Bronner, C.

AU - Bubak, A.

AU - Avanzini, M. Buizza

AU - Calcutt, J.

AU - Campbell, T.

AU - Cao, S.

AU - Catanesi, M. G.

AU - Cervera, A.

AU - Chappell, A.

AU - Checchia, C.

AU - Dealtry, T.

AU - Doyle, T. A.

AU - Finch, A. J.

AU - Knox, A.

AU - Kormos, L. L.

AU - Lawe, M.

AU - Nowak, J.

AU - O'Keeffe, H. M.

AU - Ratoff, P. N.

AU - Walsh, J. G.

PY - 2020/4/21

Y1 - 2020/4/21

N2 - 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 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 2.40{\sigma} 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.

AB - 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 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 2.40{\sigma} 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.

KW - hep-ex

U2 - 10.1103/PhysRevLett.124.161802

DO - 10.1103/PhysRevLett.124.161802

M3 - Journal article

VL - 124

JO - Physical review letters

JF - Physical review letters

SN - 1079-7114

M1 - 161802

ER -