Neutrino oscillations from relativistic flavor currents

Details Neutrino oscillations from relativistic flavor currents Neutrino oscillations from relativistic flavor currents

2002-12-30

arxiv.org/abs/hep-ph/0212402v3

Phys.Rev.D67:073011,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, 4 figures, RevTeX

Scientific paper

10.1103/PhysRevD.67.073011

By resorting to recent results on the relativistic currents for mixed (flavor) fields, we calculate a space-time dependent neutrino oscillation formula in Quantum Field Theory. Our formulation provides an alternative to existing approaches for the derivation of space dependent oscillation formulas and it also accounts for the corrections due to the non-trivial nature of the flavor vacuum. By exploring different limits of our formula, we recover already known results. We study in detail the case of one-dimensional propagation with gaussian wavepackets both in the relativistic and in the non-relativistic regions: in the last case, numerical evaluations of our result show significant deviations from the standard formula.

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