Flavor dependence ofCPasymmetries and thermal leptogenesis with strong right-handed neutrino mass hierarchy
By O. Vives. 2006
136 citations recorded by the source corpus.
We prove that taking correctly into account the lepton flavour dependence of the $CP$ asymmetries and washout processes, it is possible to obtain successful thermal leptogenesis from the decays of the second right-handed neutrino. The asymmetries in the muon and tau-flavour channels are then not erased by the inverse decays of the lightest right-handed neutrino ${N}_{1}$. In this way, we reopen the possibility of ``thermal leptogenesis'' in models with a strong hierarchy in the right-handed Majorana masses that is typically the case in models with up-quark neutrino-Yukawa unification.
Subfields: Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/881330fcbc3d04c5372d1d047f67c6d1d7d8be61
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In Nuclear and High Energy Physics
Citations in the corpus
- Baryogenesis from the weak scale to the grand unification scale (2020, background): “An alternative is dominance by the next-to-lightest heavy neutrino N2 (Di Bari, 2005; Vives, 2006).”
- A White Paper on keV sterile neutrino Dark Matter (2016, background): “These can be either the lightest RH neutrinos, as in the original proposal [408], or the next-to-lightest RH neutrinos [394, 401, 443], or both [389, 391, 392, 407].”
- The Phenomenology of Right Handed Neutrinos (2013, background): “The effect of active flavours in scenarios where the heavier NI contribute has been discussed in [405–409].”