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Where Are We With Light Sterile Neutrinos?

29 days ago   |   By Harvard

A. Diaz, C.A. Argüelles, G.H. Collin, J.M. Conrad, and M.H. Shaevitz. 9/10/2019. “ Where Are We With Light Sterile Neutrinos? ”. Abstract We review the status of searches for sterile neutrinos in the ∼1 eV range, with an emphasis on the latest results from short baseline oscillation experiments and how they fit within sterile neutrino oscillation models. We present global fit results to a three-active-flavor plus one-sterile-flavor model , where we find an improvement of Δχ2=35 for 3 additional parameters compared to a model with no sterile neutrino. This is a 5σ improvement, indicating...
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