Production of D and B mesons and their semileptonic decays

Details Production of D and B mesons and their semileptonic decays Production of D and B mesons and their semileptonic decays

2010-08-25

arxiv.org/abs/1008.4247v1

Int.J.Mod.Phys.A26:549-551,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, 2 figures, talk by R. Maciula at 11th International Workshop on Meson Production, Properties and Interaction, Cracow,

Scientific paper

10.1142/S0217751X11051998

We have calculated the kinematical correlations between charged leptons from semileptonic decays of open charm/bottom as well as leptons produced in the Drell-Yan mechanism in proton-proton collisions at BNL RHIC. Presented production rates for open charm and bottom were estimated by a detailed analysis of so-called nonphotonic electrons. The distributions for charm and bottom quarks pairs are calculated in the $k_{t}$-factorization approach with the help of the Kwieci{\'n}ski unintegrated parton distributions. The hadronization of heavy quarks is done by means of Peterson et al. fragmentation function. The semileptonic decay functions are found by fitting recent semileptonic data obtained by the CLEO and BABAR. We get good description of recent PHENIX data.

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