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Type: Artigo de periódico
Title: Additional time-dependent phase in the flavor-conversion formulas
Author: Bernardini, AE
Abstract: In the framework of intermediate wave-packets for treating flavor oscillations, we quantify the modi. cations which appear when we assume a strictly peaked momentum distribution and consider the second-order corrections in a power series expansion of the energy. By following a sequence of analytic approximations, we point out that an extra time-dependent phase is merely the residue of second-order corrections. Such phase effects are usually ignored in the relativistic wave-packet treatment, but they do not vanish non-relativistically and can introduce some small modi. cations to the oscillation pattern even in the ultra-relativistic limit.
Country: França
Editor: Edp Sciences S A
Rights: aberto
Identifier DOI: 10.1209/epl/i2005-10376-7
Date Issue: 2006
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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