Gauge dilution in leptogenesis

Details Gauge dilution in leptogenesis Gauge dilution in leptogenesis

2004-06-25

arxiv.org/abs/hep-ph/0406283v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

To appear in the proceedings of XXXIXth Rencontres de Moriond, Electroweak Interactions and Unified Theories, La Thuile, Italy

Scientific paper

We discuss leptogenesis in its natural context, i.e. gauge unification, by including in the analysis the effects of the gauge sector associated to the Majorana neutrinos. It results in stricter bounds on the minimal Majorana mass, depending on the gauge bosons mass, but also prevents to deduce any lower limit on the Yukawa couplings since thermal and re-heating scenarios are now indistinguishable.

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