Gauge dilution in leptogenesis
Abstract
Description
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.
To appear in the proceedings of XXXIXth Rencontres de Moriond, Electroweak Interactions and Unified Theories, La Thuile, Italy, 21-28 Mar 2004, 6 pages, 2 figures
To appear in the proceedings of XXXIXth Rencontres de Moriond, Electroweak Interactions and Unified Theories, La Thuile, Italy, 21-28 Mar 2004, 6 pages, 2 figures