Neutrino spin evolution in presence of general external fields
Author(s) -
Maxim Dvornikov,
Alexander Studenikin
Publication year - 2002
Publication title -
journal of high energy physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.998
H-Index - 261
eISSN - 1126-6708
pISSN - 1029-8479
DOI - 10.1088/1126-6708/2002/09/016
Subject(s) - neutrino , physics , lorentz covariance , particle physics , spin (aerodynamics) , neutrino oscillation , lorentz transformation , invariant (physics) , theoretical physics , mathematical physics , classical mechanics , thermodynamics
The derivation of the quasiclassical Lorentz invariant neutrino spinevolution equation taking into account general types of neutrino non-derivativeinteractions with external fields is presented. We discuss the constraints onthe characteristics of matter and neutrino under which this quasiclassicalapproach is valid. The application of the obtained equation for the case of theStandard Model neutrino interactions with moving and polarized backgroundmatter is considered.Comment: The form of the article has been sufficiently improve
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