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We present predicted Sunyaev-Zeldovich (SZ) properties of known X-rayclusters of galaxies for which gas temperature measurements are available. Thereference sample was compiled from the BAX database for X-ray clusters. TheSunyaev-Zeldovich signal is predicted according to two different scaling lawsfor the mass-temperature relation in clusters: a standard relation and anevolving relation that reproduces well the evolution of the X-ray temperaturedistribution function in a concordance cosmology. Using a Markov Chain MoteCarlo (MCMC) analysis we examine the values of the recovered parameters andtheir uncertainties. The evolving case can be clearly distinguished from thenon-evolving case, showing that SZ measurements will indeed be efficient inconstraining the thermal history of the intra-cluster gas. However, significantbias appears in the measured values of the evolution parameter for high SZthreshold owing to selection effects.

Testing for evolution in scaling relations of galaxy clusters: Cross analysis between X-ray and SZ observations