Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 10, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP10(2022)071
Keywords
Baryo-and Leptogenesis; Flavour Symmetries; Grand Unification
Categories
Funding
- National Natural Science Foundation of China [11975224, 11835013]
- Key Research Program of the Chinese Academy of Sciences [XDPB15]
- China Post-doctoral Science Foundation [2021M703106]
- STFC [ST/L000296/1]
- European Union [H2020-MSCA-ITN2019//860881-HIDDeN]
- [NSFC-12147110]
Ask authors/readers for more resources
In this study, we investigate the predictions for the creation of electron-positron pairs in two models and discuss the parameter regions that are compatible with the measured values. Additionally, we explore the predictions for various properties such as neutrino masses and CP violation phases.
We study the prediction for leptogenesis in two renormalizable supersymmetric SO(10) x A(4) modular models in which the neutrino mass is dominantly generated by the type I seesaw mechanism. The evolution of the lepton asymmetries are described in terms of the three-flavored density matrix equations for three heavy Majorana neutrinos, where both vanishing initial condition and thermal initial condition of the right-handed neutrinos are considered. We also present an analytical approximation based on the Boltzmann equations. We find regions of parameter space compatible with the measured fermion masses and mixing parameters as well as the baryon asymmetry of the Universe. The predictions for the light neutrino masses, the effective mass in neutrinoless double beta decay and the leptonic CP violation phases are discussed.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available