Charm and Beauty Photoproduction at HERA

Details Charm and Beauty Photoproduction at HERA Charm and Beauty Photoproduction at HERA

2008-09-30

arxiv.org/abs/0809.5176v3

Physics

High Energy Physics

High Energy Physics - Experiment

Parallel talk at ICHEP08, Philadelphia, USA, July 2008. 4 pages, LaTeX, 3 eps figures

Scientific paper

After the completion of data taking at HERA-2, a large data set is at hand to study the photoproduction of charm and beauty quarks in ep collisions. New measurements of charm production based on D^* meson tagging and beauty production based on muon and electron reconstruction test perturbative QCD calculations with improved accuracy. In general, QCD calculations at NLO describe the data well. The scale uncertainties are, however, large and dominate over the experimental uncertainties, calling for more precise calculations.

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