Speaker
Description
I will discuss SO(10)-inspired leptogenesis, a well known scenario of leptogenesis relying on conditions realised within SO(10) models and also beyond. I will first review results within current approximations and then I will show new results including flavour coupling effects that have not yet been considered so far. I will also confront predictions and constraints from SO(10)-inspired leptogenesis with latest low-energy neutrino experimental results. I will highlight how absolute neutrino mass scale experiments are now starting to test a very important regime, partially hierarchical neutrino masses. In this case one has strongest constraints on neutrino unknown mixing parameters from SO(10)-inspired leptogenesis. Current best fit results, favouring first octant for the atmospheric mixing angles, are quite encouraging. I will also discuss strong thermal leptogenesis and how this can be realised within SO(10)-inspired leptogenesis. In this case a special portion of the allowed region of parameters is selected, with sharp predictions on unknown neutrino parameters. Interestingly, next generation neutrinoless double beta decay experiments should find a positive signal during next years. Also in this case, I will show how results change if flavour coupling effects are included.
