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Limits on active to sterile neutrino oscillations from disappearance searches in the MINOS, Daya Bay, and Bugey-3 experiments

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  • Minos and Daya Bay Collaborations
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Article number151801
<mark>Journal publication date</mark>7/10/2016
<mark>Journal</mark>Physical review letters
Issue number15
Volume117
Number of pages8
Publication StatusPublished
<mark>Original language</mark>English

Abstract

Searches for a light sterile neutrino have been independently performed by the MINOS and the Daya Bay experiments using the muon (anti)neutrino and electron antineutrino disappearance channels, respectively. In this Letter, results from both experiments are combined with those from the Bugey-3 reactor neutrino experiment to constrain oscillations into light sterile neutrinos. The three experiments are sensitive to complementary regions of parameter space, enabling the combined analysis to probe regions allowed by the LSND and MiniBooNE experiments in a minimally extended four-neutrino flavor framework. Stringent limits on sin2 2__e are set over six orders of magnitude in the sterile mass-squared splitting _m2 41. The sterile-neutrino mixing phase space allowed by the LSND and MiniBooNE experiments is excluded for _m2 41 < 0:8 eV2 at 95% C.L.