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arXiv · hep-th/0601043

Additional time-dependent phase in the flavor-conversion formulas

Alex E. Bernardini
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Abstract

In the framework of intermediate wave-packets for treating flavor oscillations, we quantify the modifications 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 modifications to the oscillation pattern even in the ultra-relativistic limit.

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Alex E. Bernardini. 2006-01-07. Additional time-dependent phase in the flavor-conversion formulas. https://doi.org/10.1209/epl%2Fi2005-10376-7

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