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Initial values of the quark-gluon plasma system from relativistic nucleusnucleus collisions de discussed under thermodynamic equilibrium. From these initial values, the dependence of the dilepton production on the incident energy of colliding nuclei has been studied based on the relativistic hydrodynamic model, and it is found that with increasing incident energy a characteristic plateau indicating the formation of the quark-gluon plasma appears in the total yield.
Initial values of the quark-gluon plasma system from relativistic nucleus nucleus collisions deposed under thermodynamic equilibrium. From these initial values, the dependence of the dilepton production on the incident energy of colliding nuclei has been studied based on the relativistic hydrodynamic model, and it is found that with increasing incident energy a characteristic plateau indicating the formation of the quark-gluon plasma appears in the total yield.