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Type: Artigo de periódico
Title: Neutrino Mixing Effects On The τ-neutrino Mass Limit
Author: Guzzo M.M.
Peres O.L.G.
Pleitez V.
Zukanovich Funchal R.
Abstract: We point out that the usual experimental upper bounds on the "τ-neutrino mass" do not apply if neutrino mixing is considered. The suppression of the population of the τ decay spectrum near the end point, caused by mixing, may be compensated by an enhancement because of a resonant mechanism of hadronization. It is necessary therefore to analyze the whole spectrum to infer some limit to the "τ-neutrino mass." We argue that, consequently, neutrino mixing evades the objection to interpret the KARMEN anomaly as a heavy sequential neutrino.
Rights: aberto
Identifier DOI: 
Date Issue: 1996
Appears in Collections:Unicamp - Artigos e Outros Documentos

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