We study heavy quarkonium (c, b) production at the Tevatron (run I and run II) and LHC energies in the framework of nonrelativistic quantum chromodynamics at leading order in the strong-coupling constant a_s and the relative velocity v using the quasimulti-Regge kinematics approach. The fit of the p_T-spectra of different S- and P-wave heavy quarkonium states at the energies of the Tevatron (run I and run II) was performed. The obtained set of the nonperturbative long-distance matrix elements was used for prediction of heavy quarkonium production rates at the energy of LHC collider. The results obtained in the quasimulti-Regge kinematics approach are compared with predictions of the collinear parton model.

PDF (1.360 Mb)