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Charmonium production measured in PbPb and pp collisions by CMS

Collaboration
•
for the collaboration.
Jul, 2011
4 pages
Published in:
  • J.Phys.G 38 (2011) 124105
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Abstract: (arXiv)
The Compact Muon Solenoid (CMS) is fully equipped to measure hard probes in the di-muon decay channel in the high multiplicity environment of nucleus-nucleus collisions. Such probes are especially relevant for studying the quark-gluon plasma since they are produced at early times and propagate through the medium, mapping its evolution. CMS is able to distinguish non-prompt from prompt J/psi in pp and PbPb collisions. We report here the nuclear modification factor of prompt J/psi in PbPb as a function of transverse momentum, rapidity, and the number of nucleons participating in the collision.
Note:
  • 4 pages, 4 figures. To appear in Proc. 22nd Int. Conf. on Ultrarelativistic Nucleus-Nucleus Collisions (Quark Matter 2011), Annecy, France, May 23-28, 2011
  • nucleus nucleus: scattering
  • charmonium: production
  • quark gluon: plasma
  • multiplicity: high
  • quark: matter
  • CMS
  • J/psi(3100)
  • transverse momentum
  • rapidity