CP properties of the leptonic sector for majorana neutrinos
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CP properties of the leptonic sector for majorana neutrinos

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CP properties of the leptonic sector for majorana neutrinos

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Bernabeu Alberola, José Perfil; Pascual, Pedro (Pascual de Sans)
Aquest document és un/a article, creat/da en: 1983
The leptonic sector of the electroweak theory is analyzed for massive Majorana neutrinos. For n generations, the Majorana mass lagrangian is diagonalized using the polar reduction to guarantee physical positive masses independently of the CP properties or the choice of the phases of the fields. When CP invariance holds, the CP eigenvalues of the definite mass neutrino fields are determined without commitment to a particular phase choice. For charged current interactions, we find that the observable CP violating phases can be parametrized à la Kobayashi-Maskawa for the vertec. Extra ( n − 1) relative phases of the massive neutrino fields are significant. The extra phases are observable only in processes mediated by 'neutrino-antineutrino' propagation and therefore proportional to neutrino masses. We discuss the informational content of the relevant processes.

    Bernabeu Alberola, José; Pascual, Pedro (Pascual de Sans) (1983) CP properties of the leptonic sector for majorana neutrinos Nuclear Physics B 228 1 21 30
http://dx.doi.org/10.1016/0550-3213(83)90393-0
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