Tau Neutrinos Favored over Sterile Neutrinos in Atmospheric Muon Neutrino Oscillations

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dc.creatorKamiokande Collaboration
dc.date2000-09-01
dc.date.accessioned2026-07-07T11:30:11Z
dc.date.available2026-07-07T11:30:11Z
dc.descriptionThe previously published atmospheric neutrino data did not distinguish whether muon neutrinos were oscillating into tau neutrinos or sterile neutrinos, as both hypotheses fit the data. Using data recorded in 1100 live-days of the Super-Kamiokande detector, we use three complementary data samples to study the difference in zenith angle distribution due to neutral currents and matter effects. We find no evidence favoring sterile neutrinos, and reject the hypothesis at the 99% confidence level. On the other hand, we find that oscillation between muon and tau neutrinos suffices to explain all the results in hand.
dc.description9 pages with 2 figures, submitted to PRL
dc.identifierhttps://arxiv.org/abs/hep-ex/0009001
dc.identifierhttp://arxiv.org/abs/hep-ex/0009001
dc.identifierPhys.Rev.Lett.85:3999-4003,2000
dc.identifierdoi:10.1103/PhysRevLett.85.3999
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/196938
dc.subjectHigh Energy Physics - Experiment
dc.titleTau Neutrinos Favored over Sterile Neutrinos in Atmospheric Muon Neutrino Oscillations
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