21-26 July 2014
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Neutrino parameters and N2 -dominated leptogenesis
Presented by Mr. Michele RE FIORENTIN on 22 Jul 2014 from 17:50 to 18:10
Type: Lepton Flavour Violation and Neutrinos
Track: Lepton Flavour Violation and Neutrinos
I will concentrate on the link between leptogenesis and low-energy neutrino data, showing how the baryon asymmetry of the Universe can constrain a type- I seesaw model and yield interesting predictions on the neutrino parameters. To this aim, I will consider the conditions required by strong thermal leptogenesis, where the final asymmetry is fully independent of the initial conditions. In this framework, barring strong cancellations in the seesaw formula and in the flavoured decay parameters, a lightest neutrino mass m1 10 meV for normal ordering and m1 3 meV for inverted ordering are favoured. Finally, I will briefly comment on the even richer predictions of SO(10)-inspired leptogenesis models and on the present experimental evidences. This talk is based on arXiv:1401.6185 [hep-ph].
- Mr. Michele RE FIORENTIN University of Southampton