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Search for Sterile Neutrinos in MINOS and MINOS+ Using a Two-Detector Fit

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If you have a question about this talk, please contact William Fawcett .

A search for mixing between active neutrinos and light sterile neutrinos has been performed by looking for muon neutrino disappearance in two detectors at baselines of 1.04 and 735 km, using a combined MINOS and MINOS + exposure of 16.36 × 1020 protons on target. A simultaneous fit to the charged-current muon neutrino and neutral-current neutrino energy spectra in the two detectors yields no evidence for sterile neutrino mixing using a 3+1 model. The most stringent limit to date is set on the mixing parameter sin2(θ_24) for most values of the sterile neutrino mass splitting Δm2_41 > 10−4  eV2.

This talk is part of the Cavendish HEP Seminars series.

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