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Type: Artigo de periódico
Title: Intrinsic flavor violation for massive neutrinos
Author: Nishi, CC
Abstract: It is shown that intrinsic neutrino flavor violation invariably occurs when neutrinos are created within the standard model augmented by the known massive neutrinos, with mixing and nondegenerate masses. The effects are very small but much greater than the naive estimate Delta m(2)/E nu(2) or the branching ratio of indirect flavor violating processes such as mu -> e gamma within the SM. We specifically calculate the probability (branching ratio) of pion decay processes with flavor violation, such as pi -> mu(nu) over bar (e), showing nonzero results.
Country: EUA
Editor: Amer Physical Soc
Rights: aberto
Identifier DOI: 10.1103/PhysRevD.78.113007
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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