Heavy Quark Hadroproduction in $k_T$-Factorization Approach with Unintegrated Gluon Distributions

Abstract

We consider the processes of compare the heavy quark production using the unintegrated gluon distributions. The numerical predictions for high energy nucleon-nucleon and photon-nucleon collisions of the $k_T$-factorization approach (semihard theory) are compared with the experimental data from Tevatron-collider and HERA. The total production cross sections and $p_T$ distributions are considered and they are in reasonable agreement with the data for rather value of QCD scale.

21 pages, 10 figures, references added

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• Single-parton scattering versus double-parton scattering in the production of two $c\bar{c}$ pairs and charmed meson correlations at the LHC
• Production of two charm quark-antiquark pairs in single-parton scattering within the $k_t$-factorization approach
• Nonphotonic electrons at RHIC within $k_t$-factorization approach and with experimental semileptonic decay functions
• Heavy flavor production in high-energy $pp$ collisions: color dipole description
• Heavy quark production at LHC in the color dipole formalism
• Charmed meson production based on dipole transverse momentum representation in high energy hadron-hadron collisions available at the LHC
• $D$-meson production in high energy $pA$ collisions within the QCD color dipole transverse momentum representation
• Heavy quark production in $k_t$ factorization approach at LHC energies
• Heavy Flavour Production in pp and Heavy Ion Collisions in QCD Up to LHC Energies