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29 March 2024
 
  » arxiv » hep-ph/0212402

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Neutrino oscillations from relativistic flavor currents
Massimo Blasone ; Paulo Pires Pacheco ; Hok Wan Chan Tseung ;
Date 30 Dec 2002
Journal Phys.Rev. D67 (2003) 073011
Subject hep-ph
AbstractBy 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.
Source arXiv, hep-ph/0212402
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