Inclusive Heavy-Quarkonium Production in Hadronic Collisions

Abstract

We discuss the theory of inclusive production of heavy quarkonium, the comparison between theory and experiment, and the expected nuclear effects in cold nuclear targets. We also present predictions, based on Nonrelativistic QCD (NRQCD), for quarkonium production cross sections in the LHC energy range. We find that nuclear effects in the production cross sections are largely independent of the sizes of the NRQCD matrix elements, the charmonium state that is produced and, in the color-octet case, largely independent of the partonic subprocess that produces the heavy quark-antiquark pair.

arXiv comment13 pages, cernrep.cls, 9 Postscript figures, to appear in the CERN Yellow Report for the 2001--2002 CERN workshop Hard Probes in Heavy Ion Collisions at the LHC, references corrected and updated, acknowledgments added

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