Search for Sterile Neutrinos Mixing with Muon Neutrinos in MINOS

Devenish, N E, Falk, E, Hartnell, J and The MINOS Collaboration, et al (2016) Search for Sterile Neutrinos Mixing with Muon Neutrinos in MINOS. Physical Review Letters, 117 (15). ISSN 0031-9007

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We report results of a search for oscillations involving a light sterile neutrino over distances of 1.04 and 735 km in a νμ-dominated beam with a peak energy of 3 GeV. The data, from an exposure of 10.56 × 10^20 protons on target, are analyzed using a phenomenological model with one sterile neutrino. We constrain the mixing parameters θ24 and Δm41^2 and set limits on parameters of the four-dimensional Pontecorvo-Maki- Nakagawa-Sakata matrix, |Uμ4|2 and |Uτ4|2, under the assumption that mixing between νe and νs is negligible (|Ue4|^2 = 0). No evidence for νμ → νs transitions is found and we set a world-leading limit on θ24 for values of Δm41^2 ≲ 1 eV^2.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Subjects: Q Science > QC Physics
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Depositing User: Billy Wichaidit
Date Deposited: 08 Sep 2017 09:13
Last Modified: 08 Sep 2017 09:17

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