Hydrodynamic Parameterization of NA44 Data on Kaon and Pion Correlations and Spectra
T. Csorgo, B. Lorstad
Abstract
An analytically calculable model has been proposed recently for the simultaneous description of particle spectra and correlations, which is able to explain in a natural manner the mt scaling of the radius parameters of the Bose--Einstein correlation functions. We present here preliminary results on fitting this model to data sampled by NA44 collaboration in central S + Pb reactions at CERN SPS, which indicate that both pions and kaons freeze-out at a surprisingly low temperature of T approximately 108 MeV.
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