CP Asymmetry in Majorana Neutrino Decays

Details CP Asymmetry in Majorana Neutrino Decays CP Asymmetry in Majorana Neutrino Decays

1997-10-24

arxiv.org/abs/hep-ph/9710460v2

Phys.Lett. B431 (1998) 354-362

Physics

High Energy Physics

High Energy Physics - Phenomenology

latex2e, 14 pages, 4 figures, extended version, conclusion changed

Scientific paper

10.1016/S0370-2693(97)01548-7

We study CP asymmetries in lepton-number violating two-body scattering processes and show how they are related to CP asymmetries in the decays of intermediate massive Majorana neutrinos. Self-energy corrections, which do not contribute to CP asymmetries in two-body processes, induce CP violating couplings of the intermediate Majorana neutrinos to lepton-Higgs states. We briefly comment on the implications of these results for applications at finite temperature.

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