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The prospects for constraining dark energy with future X-ray cluster gas mass fraction measurements
David Rapetti, Steven W. Allen, Adam Mantz
We examine the ability of a future X-ray observatory to constrain dark energy via measurements of the cluster X-ray gas mass fraction, fgas. We find that fgas measurements for a sa…
New constraints on dark energy from the observed growth of the most X-ray luminous galaxy clusters
A. Mantz, S. W. Allen, H. Ebeling +1
We present constraints on the mean matter density, Omega_m, the normalization of the density fluctuation power spectrum, sigma_8, and the dark-energy equation-of-state parameter, w…
Improved constraints on dark energy from Chandra X-ray observations of the largest relaxed galaxy clusters
S. W. Allen, D. A. Rapetti, R. W. Schmidt +3
We present constraints on the mean matter density, Omega_m, dark energy density, Omega_de, and the dark energy equation of state parameter, w, using Chandra measurements of the X-r…