``SunyaevZeldovich EffectDerived Distances to the HighRedshift Clusters MS 0451.60305 and CL 0016+16''

Abstract
We determine the distances to the z~0.55 galaxy clusters
MS0451 and CL0016 from a maximum likelihood joint fit to
interferometric SunyaevZel'dovich effect (SZE) and Xray
observations. We model the intracluster medium (ICM) using a
spherical isothermal betamodel. We quantify the statistical and
systematic uncertainties inherent to these direct distance
measurements, and we determine constraints on the Hubble parameter for
three different cosmologies. For an OmegaM=0.3, OmegaL=0.7
cosmology, these distances imply a Hubble constant of
63(+12/9),(+21/21)km/s/Mpc, where the uncertainties
correspond to statistical followed by systematic at 68% confidence.
The best fit Ho is 57km/s/Mpc for an open OmegaM=0.3 universe and 52km/s/Mpc
for a flat OmegaM=1 universe.

