Charm Photoproduction in ep Collisions at HERA

Details Charm Photoproduction in ep Collisions at HERA Charm Photoproduction in ep Collisions at HERA

1999-05-05

arxiv.org/abs/hep-ex/9905008v2

Nucl.Phys.Proc.Suppl. 79 (1999) 406-409

Physics

High Energy Physics

High Energy Physics - Experiment

Presentation at the DIS99 conference, Berlin 1999. 4 pages, 5 figures. Colour plots of the original submission have been repla

Scientific paper

10.1016/S0920-5632(99)00736-7

We report the latest results of the ZEUS collaboration on the photoproduction of D* mesons in a low W range. Differential cross sections as function of pt(D*) and eta(D*) are measured and compared with several recent NLO pQCD calculations. The differential cross-sections in a restricted kinematical region are higher than the NLO calculations, in particular in the forward (proton) direction. A recent pQCD model (BKL) describes the data reasonably well.

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