A solution to the baryon-DM coincidence problem in the CMSSM with a 126-GeV Higgs boson
High Energy Physics - Phenomenology
2015-04-16 v1 Cosmology and Nongalactic Astrophysics
Abstract
We show that the baryon-dark matter coincidence problem is solved in the CMSSM. The baryons and dark matter are generated simultaneously through the late-time decay of non-topological solitons, Q-balls, which are formed after the Affleck-Dine baryogenesis. A certain relation between the universal scalar mass, , and the universal gaugino mass, , is required to solve the coincidence problem, marginally depending on the other CMSSM parameters, and the result is consistent with the observation of the 126-GeV Higgs boson.
Keywords
Cite
@article{arxiv.1405.6577,
title = {A solution to the baryon-DM coincidence problem in the CMSSM with a 126-GeV Higgs boson},
author = {Ayuki Kamada and Masahiro Kawasaki and Masaki Yamada},
journal= {arXiv preprint arXiv:1405.6577},
year = {2015}
}
Comments
5 pages, 1 figure