With the increase of the initial baryon density,the dilepton production in invariant masses between 2mπ and 1 GeV is shown to be suppressed and an abnormal peak of the dilepton spectrum appears near the invariant mas...With the increase of the initial baryon density,the dilepton production in invariant masses between 2mπ and 1 GeV is shown to be suppressed and an abnormal peak of the dilepton spectrum appears near the invariant mass 0.75 GeV if a baryon-rich quark-gluon matter was formed in the ultrarelativistic nucleus-nucleus collision.These predictions are important for several large-scale experiments at CERN and Brookhaven.展开更多
The previously derived relativistic hydrodynamic equation from energy-momentum conservation is generalized to include the particle number conservation.From calculation on the basis of the new formalism we find that th...The previously derived relativistic hydrodynamic equation from energy-momentum conservation is generalized to include the particle number conservation.From calculation on the basis of the new formalism we find that the particle distribution and latent heat significantly change the characteristic dilepton spectrum for the formation of a quark matter,which had been predicted by the other author.展开更多
文摘With the increase of the initial baryon density,the dilepton production in invariant masses between 2mπ and 1 GeV is shown to be suppressed and an abnormal peak of the dilepton spectrum appears near the invariant mass 0.75 GeV if a baryon-rich quark-gluon matter was formed in the ultrarelativistic nucleus-nucleus collision.These predictions are important for several large-scale experiments at CERN and Brookhaven.
基金Project supported by the National Science Foundation of China.
文摘The previously derived relativistic hydrodynamic equation from energy-momentum conservation is generalized to include the particle number conservation.From calculation on the basis of the new formalism we find that the particle distribution and latent heat significantly change the characteristic dilepton spectrum for the formation of a quark matter,which had been predicted by the other author.
