Isolated photon production in proton-nucleus collisions at forward rapidity

We calculate isolated photon production at forward rapidities in proton-nucleus collisions in the color glass condensate framework. Our calculation uses dipole cross sections solved from the running coupling Balitsky-Kovchegov equation with an initial condition fit to deep inelastic scattering data. For comparison, we also update the results for the nuclear modification factor for pion production in the same kinematics. We present predictions for future forward RHIC and LHC measurements at $\sqrt{{s}_{NN}}=200\text{ }\text{ }\mathrm{GeV}$ and $\sqrt{{s}_{NN}}=8\text{ }\text{ }\mathrm{TeV}$.

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