Abstract
Photons produced in the pre-hydrodynamics stage of the quark-gluon plasma created in relativistic heavy-ion collisions were computed using momentum distribution functions of partons obtained from solutions of the Boltzmann equation. The effect of the initial gluon momentum anisotropy ξ and the dependence on the saturation momentum Qs was investigated; we report on results obtained by varying the latter in this work. We see that small Qs results in a photon yield enhancement, whereas a larger Qs results in a pre-equilibrium photon suppression, owing to the strict constraint of matching to experimental energy density used in this work.
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