Galaxy Cluster Gas Mass Fraction and Hubble Parameter versus Redshift Constraints on Dark Energy
Astrophysics
2007-06-14 v1
Abstract
Galaxy cluster gas mass fraction versus redshift data and Hubble parameter versus redshift data are used to jointly constrain dark energy models. These constraints favor the Einstein cosmological constant limit of dark energy but do not strongly rule out slowly-evolving dark energy.
Keywords
Cite
@article{arxiv.0706.1963,
title = {Galaxy Cluster Gas Mass Fraction and Hubble Parameter versus Redshift Constraints on Dark Energy},
author = {Lado Samushia and Gang Chen and Bharat Ratra},
journal= {arXiv preprint arXiv:0706.1963},
year = {2007}
}
Comments
11 pages, 3 figures