Direct Photon Production at RHIC and LHC-energies: Measured Data Versus a Model

P. Guptaroy, S. Guptaroy

We attempt, in this paper, to deal with the direct photon production phenomena in $p+p$, $d+Au$ and $Au+Au$ collisions at RHIC energy, $\sqrt{s_{NN}}$ = 200 GeV and in $Pb+Pb$-coll…