Speaker
Dr
Stephane Lavignac
(SPhT Saclay)
Description
Studies of leptogenesis and of lepton flavour violation are usually done in the framework of the type I seesaw
mechanism, or assume dominance of one of the two (type I or type II) seesaw mechanisms. In this talk, we discuss
the generic situation where both contributions to light neutrino masses can be comparable in size and are related by
a left-right symmetry. We find qualitatively different results from the type I seesaw mechanism; in particular, we
show that the left-right symmetric seesaw mechanism provides new opportunities for successful leptogenesis in SO
(10) models.
Author
Dr
Stephane Lavignac
(SPhT Saclay)
