QCD Factorization for heavy quarkonium production at collider energies

Abstract

In this talk, I briefly review several models of the heavy quarkonium production at collider energies, and discuss the status of QCD factorization for these production models.

Comments: 7 pages, 12 figures, Talk presented at the Conference on Quark Confinement and Hadron Spectrum VII, Ponta Delgada, Portugal, 2-7 September, 2006