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Tuesday 11 June 2019, 16:00-17:00
Search for Sterile Neutrinos in MINOS and MINOS+ Using a Two-Detector Fit
- ๐ค Speaker: Leigh Whitehead (University of Cambridge)
- ๐ Date & Time: Tuesday 11 June 2019, 16:00 - 17:00
- ๐ Venue: Ryle Seminar Room (Rutherford 930)
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William Fawcett
Abstract
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 ร 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(ฮธ_24) for most values of the sterile neutrino mass splitting ฮm2_41 > 10โ4โโeV2.
Series This talk is part of the Cavendish HEP Seminars series.
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