Title

Active to Sterile Neutrino Mixing Limits from Neutral-Current Interactions in MINOS

Document Type

Article

Department/Program

Physics

Journal Title

Physical Review Letters

Pub Date

2011

Volume

107

Issue

1

Abstract

Results are reported from a search for active to sterile neutrino oscillations in the MINOS long-baseline experiment, based on the observation of neutral-current neutrino interactions, from an exposure to the NuMI neutrino beam of 7.07 x 10(20) protons on target. A total of 802 neutral-current event candidates is observed in the Far Detector, compared to an expected number of 754 +/- 28(stat) +/- 37(syst) for oscillations among three active flavors. The fraction f(s) of disappearing nu(mu) that may transition to nu(s) is found to be less than 22% at the 90% C.L.

DOI

10.1103/PhysRevLett.107.011802

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