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Type: Artigo de periódico
Title: Flavor mixing in a Lee-type model
Author: Nishi, CC
Guzzo, MM
Abstract: An exactly solvable quantum field theory (QFT) model of Lee type is constructed to study how neutrino flavor eigenstates are created through interactions and how the localization properties of neutrinos follows from the parent particle that decays. The two-particle states formed by the neutrino and the accompanying charged lepton can be calculated exactly as well as their creation probabilities. We can show that the coherent creation of neutrino flavor eigenstates follows from the common negligible contribution of neutrino masses to their creation probabilities. On the other hand, it is shown that it is not possible to associate a well-defined "flavor" to coherent superpositions of charged leptons.
Country: EUA
Editor: Amer Physical Soc
Citation: Physical Review D. Amer Physical Soc, v. 78, n. 3, 2008.
Rights: aberto
Identifier DOI: 10.1103/PhysRevD.78.033008
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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