CP violation in the mass matrix of heavy neutrinos

Details CP violation in the mass matrix of heavy neutrinos CP violation in the mass matrix of heavy neutrinos

1998-09-08

arxiv.org/abs/hep-ph/9809304v2

Phys.Lett. B442 (1998) 243-248

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages latex file, minor changes

Scientific paper

10.1016/S0370-2693(98)01286-6

We discuss the question of CP-violation in the effective Hamiltonian approach in models of leptogenesis through heavy right handed neutrino decays. We first formulate the problem in four component notation and then point out that before the heavy neutrinos have decayed away, the universe becomes CP-asymmetric in the heavy neutrinos. However, the lepton asymmetry generated after they completely decay are independent of this asymmetry.

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