Measurement of Charm and Beauty Photoproduction at HERA using D* mu Correlations

Details Measurement of Charm and Beauty Photoproduction at HERA using D* mu Correlations Measurement of Charm and Beauty Photoproduction at HERA using D* mu Correlations

2005-03-22

arxiv.org/abs/hep-ex/0503038v1

Phys.Lett.B621:56-71,2005

Physics

High Energy Physics

High Energy Physics - Experiment

20 pages, 6 figures, 4 tables

Scientific paper

10.1016/j.physletb.2005.06.040

A measurement of charm and beauty photoproduction at the electron proton collider HERA is presented based on the simultaneous detection of a D*^{\pm} meson and a muon. The correlation between the D* meson and the muon serves to separate the charm and beauty contributions and the analysis provides comparable sensitivity to both. The total and differential experimental cross sections are compared to LO and NLO QCD calculations. The measured charm cross section is in good agreement with QCD predictions including higher order effects while the beauty cross section is higher.

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