22-28 July 2010
Palais des Congrès de Paris
Europe/Paris timezone

Leptogenesis constraints from flavour symmetry induced Lepton Mixing

23 Jul 2010, 17:45
12m
Salle 251 ()

Salle 251

Parallel Session Talk 07 - Neutrinos 07 - Neutrinos

Speaker

Ivo de Medeiros Varzielas (CFTP, Instituto Superior Técnico)

Description

In models with flavour symmetries added to the gauge group of the Standard Model the CP-violating asymmetry necessary for leptogenesis may be related with low-energy parameters. A particular case of interest is when the flavour symmetry produces an exact mass independent lepton mixing scheme, leading to a vanishing CP-violating asymmetry. We present a model-independent discussion that confirms this always occurs for unflavoured leptogenesis in type I see-saw scenarios.

Primary author

Ivo de Medeiros Varzielas (CFTP, Instituto Superior Técnico)

Presentation Materials