Electroweak Baryogenesis with dimension-6 Higgs interactions
High Energy Physics - Phenomenology
2015-06-25 v1
Abstract
We present the computation of the baryon asymmetry in the SM amplified by dimension-6 Higgs interactions using the WKB approximation. Analyzing the one-loop potential it turns out that the phase transition is strongly first order in a wide range of the parameters. It is ensured not to wash out the net baryon number gained previously even for Higgs masses up to at least 170 GeV. In addition dimension-6 operators induce new sources of CP violation. Novel source terms which enhance the generated baryon asymmetry emerge in the transport equations. This model predicts a baryon to entropy ratio close to the observed value for a large part of the parameter space.
Cite
@article{arxiv.hep-ph/0504222,
title = {Electroweak Baryogenesis with dimension-6 Higgs interactions},
author = {Lars Fromme},
journal= {arXiv preprint arXiv:hep-ph/0504222},
year = {2015}
}
Comments
10 pages, 4 figures, Talk given at the 8th International Moscow School of Physics