Models of Neutrino Masses and Baryogenesis
Abstract
Majorana masses of the neutrino implies lepton number violation and is intimately related to the lepton asymmetry of the universe, which gets related to the baryon asymmetry of the universe in the presence of the sphalerons during the electroweak phase transition. Assuming that the baryon asymmetry of the universe is generated before the electroweak phase transition, it is possible to dicriminate different classes of models of neutrino masses. While see-saw mechanism and the triplet higgs mechanism are preferred, the Zee-type radiative models and the R-parity breaking models requires additional inputs to generate baryon asymmetry of the universe during the electroweak phase transition.
Keywords
Cite
@article{arxiv.hep-ph/9906335,
title = {Models of Neutrino Masses and Baryogenesis},
author = {Utpal Sarkar},
journal= {arXiv preprint arXiv:hep-ph/9906335},
year = {2009}
}
Comments
27 pages including 5 figures; Review article for Pramana: the Indian Journal of Physics