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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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dc.abstract.enWe 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)×10<sup>20</sup> 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 sin<sup>2</sup>θ<sub>24</sub> for the sterile neutrino mass splitting Δm<sub>41</sub><sup>2</sup>&lt;3×10<sup>-3</sup> eV<sup>2</sup>/c<sup>4</sup>.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorKisiel, Jan
dc.contributor.authorPorwit, Kamil
dc.contributor.authorHoleczek, Jacek
dc.contributor.authorBatkiewicz-Kwaśniak, Marcela
dc.contributor.authorWąchała, Tomasz
dc.contributor.authorBąk-Zalewska, Grażyna
dc.contributor.authorDąbrowska, Anna
dc.contributor.authorPosiadała-Zezula, Magdalena
dc.date.accessioned2024-01-26T01:00:30Z
dc.date.available2024-01-26T01:00:30Z
dc.date.copyright2019-04-30
dc.date.issued2019
dc.description.accesstimeAT_PUBLICATION
dc.description.financeNie dotyczy
dc.description.number7
dc.description.versionFINAL_PUBLISHED
dc.description.volume99
dc.identifier.doi10.1103/PHYSREVD.99.071103
dc.identifier.issn2470-0010
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/119301
dc.identifier.weblinkhttps://doi.org/10.1103/PhysRevD.99.071103
dc.languageeng
dc.pbn.affiliationphysical sciences
dc.relation.ispartofPhysical Review D
dc.relation.pages071103-1-071103-10
dc.rightsCC-BY
dc.sciencecloudnosend
dc.titleSearch for light sterile neutrinos with the T2K far detector Super-Kamiokande at a baseline of 295 km
dc.typeJournalArticle
dspace.entity.typePublication