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

K. Abe et al. (T2K Collaboration)
Phys. Rev. D 99, 071103(R) – Published 30 April 2019

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)×1020 protons on target in neutrino (antineutrino) mode. A selection of neutral-current interaction samples is 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 sin2θ24 for the sterile neutrino mass splitting Δm412<3×103eV2/c4.

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  • Received 19 February 2019
  • Corrected 7 June 2019

DOI:https://doi.org/10.1103/PhysRevD.99.071103

Published 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.

Published by the American Physical Society

Physics Subject Headings (PhySH)

  1. Research Areas
  1. Physical Systems
Particles & Fields

Corrections

7 June 2019

Correction: A curve in Figure 3 and the related Ref. [35] were out of date and required revision.

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Vol. 99, Iss. 7 — 1 April 2019

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