Search for Sterile Neutrinos

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• Leigh Whitehead (Cambridge University)
• Wednesday 29 April 2020, 13:30-14:30
• online via zoom.

If you have a question about this talk, please contact Prof Ian Kenyon.

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(theta_(24)) for most values of the sterile neutrino mass splitting delta m²_(41) gt 10^-4 eV².

This talk is part of the Particle Physics Seminars series.

This talk is included in these lists:

• Bham Talks
• Particle Physics Seminars
• What's on in Physics?
• online via zoom

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