Baryogenesis from a Lepton Asymmetric Universe

Details Baryogenesis from a Lepton Asymmetric Universe Baryogenesis from a Lepton Asymmetric Universe

1994-11-23

arxiv.org/abs/hep-ph/9411366v1

Phys.Lett.B345:248-252,1995; ERRATUM-ibid.B382:447,1996

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages (Latex file with one attached postscript figure)

Scientific paper

10.1016/0370-2693(94)01555-Q

We demonstrate that $CP-$violation in the Majorana mass matrices of the heavy
neutrinos can generate a $CP-$asymmetric universe. The subsequent decay of the
Majorana particles generates a lepton number asymmetry. During the electroweak
phase transition the lepton asymmetry is converted into a baryon asymmetry,
which survives down to this time.

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