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Search for light sterile neutrinos with the T2K far detector Super-Kamiokande at a baseline of 295 km

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Search for light sterile neutrinos with the T2K far detector Super-Kamiokande at a baseline of 295 km. / T2K Collaboration ; Brailsford, D.; Dealtry, T.; Finch, A. J.; Knox, A.; Kormos, L. L.; Lawe, M.; Nowak, J.; O'Keeffe, H. M.; Ratoff, P. N.; Shaw, D.

In: Physical Review D, Vol. 99, No. 7, 071103, 01.04.2019.

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@article{0a90fff63f694fc786f02c0220464178,
title = "Search for light sterile neutrinos with the T2K far detector Super-Kamiokande at a baseline of 295 km",
abstract = " We perform a search for light sterile neutrinos using the data from the T2K far detector at a baseline of 295 km, with an exposure of 14.7 (7.6)$\times 10^{20}$ protons on target in neutrino (antineutrino) mode. A selection of neutral current interaction samples are also used to enhance the sensitivity to sterile mixing. No evidence of sterile neutrino mixing in the 3+1 model was found from a simultaneous fit to the charged-current muon, electron and neutral current neutrino samples. We set the most stringent limit on the sterile oscillation amplitude $\sin^2\theta_{24}$ for the sterile neutrino mass splitting $\Delta m^2_{41}",
keywords = "hep-ex",
author = "{T2K Collaboration} and K. Abe and R. Akutsu and C. Andreopoulos and M. Antonova and S. Aoki and A. Ariga and Y. Ashida and Y. Awataguchi and Y. Azuma and S. Ban and M. Barbi and Barker, {G. J.} and G. Barr and C. Barry and M. Batkiewicz-Kwasniak and F. Bench and V. Berardi and S. Berkman and Berner, {R. M.} 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 C. Bronner 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 D. Cherdack and N. Chikuma and G. Christodoulou and J. Coleman and G. Collazuol and T. Dealtry 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 D. Shaw",
note = "{\textcopyright} 2019 American Physical Society",
year = "2019",
month = apr,
day = "1",
doi = "10.1103/PhysRevD.99.071103",
language = "English",
volume = "99",
journal = "Physical Review D",
issn = "1550-7998",
publisher = "American Physical Society",
number = "7",

}

RIS

TY - JOUR

T1 - Search for light sterile neutrinos with the T2K far detector Super-Kamiokande at a baseline of 295 km

AU - T2K Collaboration

AU - Abe, K.

AU - Akutsu, R.

AU - Andreopoulos, C.

AU - Antonova, M.

AU - Aoki, S.

AU - Ariga, A.

AU - Ashida, Y.

AU - Awataguchi, Y.

AU - Azuma, Y.

AU - Ban, S.

AU - Barbi, M.

AU - Barker, G. J.

AU - Barr, G.

AU - Barry, C.

AU - Batkiewicz-Kwasniak, M.

AU - Bench, F.

AU - Berardi, V.

AU - Berkman, S.

AU - Berner, R. M.

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 - Bronner, C.

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 - Cherdack, D.

AU - Chikuma, N.

AU - Christodoulou, G.

AU - Coleman, J.

AU - Collazuol, G.

AU - Dealtry, T.

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 - Shaw, D.

N1 - © 2019 American Physical Society

PY - 2019/4/1

Y1 - 2019/4/1

N2 - We perform a search for light sterile neutrinos using the data from the T2K far detector at a baseline of 295 km, with an exposure of 14.7 (7.6)$\times 10^{20}$ protons on target in neutrino (antineutrino) mode. A selection of neutral current interaction samples are also used to enhance the sensitivity to sterile mixing. No evidence of sterile neutrino mixing in the 3+1 model was found from a simultaneous fit to the charged-current muon, electron and neutral current neutrino samples. We set the most stringent limit on the sterile oscillation amplitude $\sin^2\theta_{24}$ for the sterile neutrino mass splitting $\Delta m^2_{41}

AB - We perform a search for light sterile neutrinos using the data from the T2K far detector at a baseline of 295 km, with an exposure of 14.7 (7.6)$\times 10^{20}$ protons on target in neutrino (antineutrino) mode. A selection of neutral current interaction samples are also used to enhance the sensitivity to sterile mixing. No evidence of sterile neutrino mixing in the 3+1 model was found from a simultaneous fit to the charged-current muon, electron and neutral current neutrino samples. We set the most stringent limit on the sterile oscillation amplitude $\sin^2\theta_{24}$ for the sterile neutrino mass splitting $\Delta m^2_{41}

KW - hep-ex

U2 - 10.1103/PhysRevD.99.071103

DO - 10.1103/PhysRevD.99.071103

M3 - Journal article

VL - 99

JO - Physical Review D

JF - Physical Review D

SN - 1550-7998

IS - 7

M1 - 071103

ER -