Cosmological axion bounds
High Energy Physics - Phenomenology
2009-11-02 v1 Cosmology and Nongalactic Astrophysics
Abstract
We discuss current cosmological constraints on axions, as well as future sensitivities. Bounds on axion hot dark matter are discussed first, and subsequently we discuss both current and future sensitivity to models in which axions play the role as cold dark matter, but where the Peccei-Quinn symmetry is not restored during reheating.
Keywords
Cite
@article{arxiv.0910.5706,
title = {Cosmological axion bounds},
author = {Steen Hannestad and Jan Hamann and Alessandro Mirizzi and Georg G. Raffelt and Yvonne Y. Y. Wong},
journal= {arXiv preprint arXiv:0910.5706},
year = {2009}
}
Comments
4 pages, 2 figures, To appear in the proceedings of 5th Patras Workshop on Axions, WIMPs and WISPs, Durham 13-17 July 2009