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Event excess in the MiniBooNE search for ν̅ μ→ν̅ e oscillations

Aguilar-Arevalo, A.A. and Nowak, Jaroslaw (2010) Event excess in the MiniBooNE search for ν̅ μ→ν̅ e oscillations. Physical Review Letters, 105 (18). ISSN 1079-7114

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    The MiniBooNE experiment at Fermilab reports results from a search for ν̅ μ→ν̅ e oscillations, using a data sample corresponding to 5.66×1020 protons on target. An excess of 20.9±14.0 events is observed in the energy range 475<EνQE<1250 MeV, which, when constrained by the observed ν̅ μ events, has a probability for consistency with the background-only hypothesis of 0.5%. On the other hand, fitting for ν̅ μ→ν̅ e oscillations, the best-fit point has a χ2 probability of 8.7%. The data are consistent with ν̅ μ→ν̅ e oscillations in the 0.1 to 1.0 eV2 Δm2 range and with the evidence for antineutrino oscillations from the Liquid Scintillator Neutrino Detector at Los Alamos National Laboratory.

    Item Type: Journal Article
    Journal or Publication Title: Physical Review Letters
    Additional Information: © 2010 The American Physical Society
    Departments: Faculty of Science and Technology > Physics
    ID Code: 66785
    Deposited By: ep_importer_pure
    Deposited On: 26 Sep 2013 14:08
    Refereed?: Yes
    Published?: Published
    Last Modified: 22 Jul 2018 02:19
    Identification Number:

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