J/psi Production: Tevatron and Fixed-Target Collisions

Details J/psi Production: Tevatron and Fixed-Target Collisions J/psi Production: Tevatron and Fixed-Target Collisions

1999-10-07

arxiv.org/abs/hep-ph/9910274v1

Nucl.Phys.Proc.Suppl. 86 (2000) 533-538

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 3 figures. Talk given at the QCD99 Euroconference, Montpellier, France, July 1999

Scientific paper

10.1016/S0920-5632(00)00618-6

In this talk I show the results of a fit of the NRQCD matrix elements to the CDF data for direct $J/\psi$ production, by including the radiative corrections to the colour-singlet channel and the effect of the $k_T$-smearing. Furthermore I perform the NLO NRQCD analysis of $J/\psi$ production in fixed-target proton-nucleon collisions and I fit the colour-octet matrix elements to the available experimental data. The results are compared to the Tevatron ones.

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