D-meson production in the GM-VFN scheme

Details D-meson production in the GM-VFN scheme D-meson production in the GM-VFN scheme

2006-08-10

arxiv.org/abs/hep-ph/0608122v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 4 figures, to appear in the Proceedings of the XIV International Workshop on Deep Inelastic Scattering (DIS 2006), 20

Scientific paper

We study the inclusive hadrodroduction of D^0, D^+, D^{*+}, and D_s^+ mesons at next-to-leading order in the parton model of quantum chromodynamics endowed with universal non-perturbative fragmentation functions (FFs) fitted to e^+e^- annihilation data from CERN LEP1. Working in the general-mass variable-flavor-number scheme, we resum the large logarithms through the evolution of the FFs and, at the same time, retain the full dependence on the charm-quark mass without additional theoretical assumptions. In this way, the cross section distributions in transverse momentum recently measured by the CDF Collaboration in run II at the Fermilab Tevatron are described within errors.

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