Forward $J/\psi$ and $D$ meson nuclear suppression at the LHC

Abstract

Using the color glass condensate formalism, we study the nuclear modification of forward $J/\psi$ and $D$ meson production in high energy proton-nucleus collisions at the LHC. We show that relying on the optical Glauber model to obtain the dipole cross section of the nucleus from the one of the proton fitted to HERA DIS data leads to a smaller nuclear suppression than in the first study of these processes in this formalism and a better agreement with experimental data.

4 pages, 3 figures. Hard Probes 2016 proceedings

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• Quark pair production in high energy pA collisions: General features
• Forward $J/\psi$ production in proton-nucleus collisions at high energy
• High energy pA collisions in the Color Glass Condensate approach