Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-01-28
Physics
High Energy Physics
High Energy Physics - Phenomenology
12 pages, no figures, using elsart
Scientific paper
We demonstrate that the neutrino kinetic equation derived by the standard Bogolyubov method is formally gauge non-invariant and give a recipe how to recast it to the gauge invariant form recovering the standard Lorentz form weak force term which apparently conserves the lepton current. The analogy with the QED plasma case is traced which in asymptotic regions implies substitution of electric charge $e$ by the induced electric charge $e_{\nu}^{ind}$ of neutrino within the phase factor connecting neutrino gauge invariant and non-invariant distribution functions.
Rez A. I.
Semikoz Victor B.
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