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Title

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

CollaborationWith : Blondel, Alain / Bravar, Alessandro / Maret, Lucie / Sanchez Nieto, Federico / Sgalaberna, Davide
Published in Physical Review. D. 2019, vol. 99, no. 7
Collection Open Access - SCOAP3
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<3×10−3 eV2/c4.
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arXiv: 1902.06529
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T2K COLLABORATION. Search for light sterile neutrinos with the T2K far detector Super-Kamiokande at a baseline of 295 km. In: Physical Review. D, 2019, vol. 99, n° 7. https://archive-ouverte.unige.ch/unige:118812

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Deposited on : 2019-06-04

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