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A search for sterile neutrinos mixing with muon neutrinos in MINOS

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Article number151803
<mark>Journal publication date</mark>7/10/2016
<mark>Journal</mark>Physical review letters
Issue number15
Number of pages6
Publication StatusPublished
<mark>Original language</mark>English


We report results of a search for oscillations involving a light sterile neutrino over distances of 1.04km and 735km in a __-dominated beam with peak energy of 3 GeV. The data, from an exposure of 10:56 _ 1020 protons-on-target, are analyzed using a phenomenological model with one sterile neutrino. We constrain the mixing parameters _24 and _m2 41 and set limits on parameters of the four-dimensional PMNS matrix, jU_4j2 and jU_4j2, under the assumption that mixing between _e and _s is negligible (jUe4j2 = 0). No evidence for __ ! _s transitions is found and we set a world-leading limit on _24 for values of _m2 41 . 1 eV2.