The Fadin-Lipatov-vertex in high-energy heavy quark and charmonium production

Details The Fadin-Lipatov-vertex in high-energy heavy quark and charmonium production The Fadin-Lipatov-vertex in high-energy heavy quark and charmonium production

2001-09-05

arxiv.org/abs/hep-ph/0109039v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages. Talk given at 9th Blois Workshop on Elastic and Diffractive Scattering, Pruhonice, Prague, Czech Republic, 09-15 Jun

Scientific paper

Calculations of heavy quark and charmonium hadroproduction are presented in the k_t-factorization approach. The resulting differential cross sections are compared to experimental values and NLO collinear predictions. The application of the full effective Fadin-Lipatov quark-antiquark- production-vertex has an important influence on the results and in particular leads to a strong suppression of certain color octet contributions which are related to the outstanding problem of the production of polarized J/Psi.

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