Galaxy Cluster Gas Mass Fraction and Hubble Parameter versus Redshift Constraints on Dark Energy

Details Galaxy Cluster Gas Mass Fraction and Hubble Parameter versus Redshift Constraints on Dark Energy Galaxy Cluster Gas Mass Fraction and Hubble Parameter versus Redshift Constraints on Dark Energy

2007-06-13

arxiv.org/abs/0706.1963v1

Astronomy and Astrophysics

Astrophysics

11 pages, 3 figures

Scientific paper

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.

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