Photon emission from out of equilibrium dissipative parton plasma

Abstract

Using the second order Israel-Stewart hydrodynamics we discuss the effect of viscosity on photon production in a parton plasma created in relativistic heavy ion collisions. We find that photon production rates can enhance by several factors due to the viscous effect in a chemically nonequilibrated plasma.

6 pages + 4 figures

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• Viscous modifications to quark and gluon distribution functions in quark-gluon plasma medium
• Impact of momentum anisotropy and turbulent chromo-fields on thermal particle production in quark-gluon plasma medium
• Second order hydrodynamics based on effective kinetic theory and electromagnetic signals from QGP
• Thermal photon production in Au+Au collisions: viscous corrections in two different hydrodynamic formalisms
• Thermal dilepton production within conformal viscous Gubser flow
• Finite-Density Dynamics of Chemically Equilibrating QGP in Conformal Gubser Flow and Hard Thermal Photon Production