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

T2K Collaboration and Brailsford, D. and Dealtry, T. and Finch, A. J. and Knox, A. and Kormos, L. L. and Lawe, M. and Nowak, J. and O'Keeffe, H. M. and Ratoff, P. N. and Shaw, D. (2019) Search for light sterile neutrinos with the T2K far detector Super-Kamiokande at a baseline of 295 km. Physical Review D, 99 (7). ISSN 1550-7998

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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}

Item Type:
Journal Article
Journal or Publication Title:
Physical Review D
Additional Information:
© 2019 American Physical Society
Subjects:
?? HEP-EX ??
ID Code:
132476
Deposited By:
Deposited On:
09 Apr 2019 14:05
Refereed?:
Yes
Published?:
Published
Last Modified:
17 Sep 2023 02:30