By Simone Biondini
In this thesis we speak about the development of a good box thought (EFT) for non-relativistic Majorana fermions, convey tips to use it to calculate observables in a thermal medium, and derive the consequences of those thermal debris at the CP asymmetry.
The tools defined during this thesis permit a scientific and potent description of the non-relativistic dynamics of a heavy Majorana fermion at finite temperature. The CP asymmetry is studied for hierarchical and approximately degenerate heavy-neutrino lots and the research comprises the therapy of lepton-flavor effects.
Heavy Majorana neutrinos are curious about many situations of physics past the traditional version and, within the leptogenesis framework, they're on the root of the baryon asymmetry within the Universe. in addition to simplifying exist
g effects, the EFT technique offers priceless instruments for addressing much more concerned observables. certainly, taken jointly, the process and the fabric offered right here signify a major step towards a scientific development of our wisdom of the CP asymmetry in heavy-neutrino decays at finite temperature.
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Effective Field Theories for Heavy Majorana Neutrinos in a Thermal Bath (Springer Theses) by Simone Biondini