Abstract

The previous relativistic hydrodynamic equations derived from the energy-momentum conservation, describing the evolution of an expanding hot quark matter, are generalised to include the particle number conservation. The influences of the quark distribution and latent heat released by the phase transition on the dilepton spectrum are studied on the basis of the generalised formalism. The authors find that these two influences significantly change the characteristic dilepton spectrum for the formation of the quark matter. It is shown that these two influences should be included, in order to get a reasonable prediction for the formation of the quark matter.

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