A study of charm hadron production in e^+e^- annihilation

Details A study of charm hadron production in e^+e^- annihilation A study of charm hadron production in e^+e^- annihilation

2010-07-06

arxiv.org/abs/1007.0846v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 pages, 15 figures

Scientific paper

10.1134/S1063778810100091

The processes of D^{(*)}-mesons and \Lambda_c-baryons production in e^+e^--annihilation at 10.58 GeV and 91.18 GeV energies are concerned. At the 10.58 GeV energy the production of charmed particles via the B-mesons decays is also concerned. Scaling violation of the fragmentation functions is calculated at the NLL-accuracy. Nonperturbative fragmentation functions are retrieved from the experimental data of B-factories and are approximated by simple analytic expressions. It is proved, that the difference between nonperturbative fragmentation functions of mesons and baryons can be easily explained by quark counting.

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