Abstract
We perform a complete calculation for the dilepton production from the processes qq̄→ll̄, Compton-like (qg→qll̄, q̄g→q̄ll̄), qq̄→gll̄, gluon fusion gḡ→cc̄, annihilation qq̄→cc̄ as well as multiple scattering of quarks in a chemically equilibrating quark–gluon plasma system at finite baryon density. It is found that quark–antiquark annihilation, Compton-like, gluon fusion and multiple scattering of quarks give important contribution. Moreover, the increase of the quark phase life-time with increasing initial quark chemical potential makes the dilepton yield as an increasing function of the initial quark chemical potential.
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