CP violating decays in leptogenesis scenarios

Details CP violating decays in leptogenesis scenarios CP violating decays in leptogenesis scenarios

1996-05-15

arxiv.org/abs/hep-ph/9605319v2

Phys.Lett. B384 (1996) 169-174

Physics

High Energy Physics

High Energy Physics - Phenomenology

latex, 10 p. + 2 ps figs. (a missprint eliminated)

Scientific paper

10.1016/0370-2693(96)00817-9

We compute the CP violation in the decays of heavy electroweak singlet neutrinos, arising from both the one--loop vertex corrections and the wave function mixing. We extend the computation to the supersymmetric version of the model and discuss the implications for the generation of a lepton number asymmetry by the out of equilibrium decay of the heavy (s)neutrinos in the early Universe, to be reprocessed later in the observed baryon excess by anomalous electroweak processes.

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