Abstract

We investigate hard photon production of the near-collinearbremsstrahlung and a new process called the inelastic pairannihilation, fully including the LPM effect, in a chemicallyequilibrating quark-gluon plasma at finite baryon density, andfind that the effect of the system evolution on the photonproduction and large contribution of the bremsstrahlung make thetotal photon yield of the two processes as a strongly increasingfunction of the initial quark chemical potential.

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