Comparison of $k_T$-Factorization Approach and QCD Parton Model for Charm and Beauty Hadroproduction

Details Comparison of $k_T$-Factorization Approach and QCD Parton Model for Charm and Beauty Hadroproduction Comparison of $k_T$-Factorization Approach and QCD Parton Model for Charm and Beauty Hadroproduction

2000-07-21

arxiv.org/abs/hep-ph/0007238v1

Phys.Atom.Nucl.64:1995-2005,2001; Yad.Fiz.64:2080-2090,2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, LaTeX, + 16 PostScript figures

Scientific paper

10.1134/1.1423749

We compare the numerical predictions for heavy quark production in high energy hadron collisions of the conventional QCD parton model and the $k_T$-factorization approach (semihard theory). The total production cross sections, one-particle rapidity and $p_T$ distributions as well as two-particle correlations are considered. The difference in the predictions of the two approaches is not very large, while the shapes of the distributions are slightly different.

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