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Type: Artigo de periódico
Title: Non-unitary Neutrino Propagation From Neutrino Decay
Author: Berryman J.M.
de Gouvea A.
Hernandez D.
Oliveira R.L.N.
Abstract: Neutrino propagation in space-time is not constrained to be unitary if very light states - lighter than the active neutrinos - exist into which neutrinos may decay. If this is the case, neutrino flavor-change is governed by a handful of extra mixing and "oscillation" parameters, including new sources of CP-invariance violation. We compute the transition probabilities in the two- and three-flavor scenarios and discuss the different phenomenological consequences of the new physics. These are qualitatively different from other sources of unitarity violation discussed in the literature.
Editor: Elsevier
Rights: aberto
Identifier DOI: 10.1016/j.physletb.2015.01.002
Date Issue: 2015
Appears in Collections:Unicamp - Artigos e Outros Documentos

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