Open and hidden charm production in pA collisions

Details Open and hidden charm production in pA collisions Open and hidden charm production in pA collisions

2005-04-15

arxiv.org/abs/hep-ph/0504133v1

Eur.Phys.J.C43:131-134,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

Prepared for the Proceedings of International Conference on Hard and Electromagnetic Probes of High Energy Nuclear Collisions,

Scientific paper

10.1140/epjc/s2005-02269-x

We discuss production of charmed mesons and J/Psi in p(d)A collisions at high energies. We argue that when the saturation scale Qs characterizing the parton density in a nucleus exceeds the quark mass m, the naive perturbation theory breaks down. Consequently, we calculate a process of heavy quark production in both open and hidden channels in the framework of the parton saturation model (Color Glass Condensate). We demonstrate that at RHIC such description is in agreement with experimental data on charm production.

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