The contribution of the hadronic component of the photon into the $D^*$-meson photoproduction at HERA

Details The contribution of the hadronic component of the photon into the $D^*$-meson photoproduction at HERA The contribution of the hadronic component of the photon into the $D^*$-meson photoproduction at HERA

2000-05-19

arxiv.org/abs/hep-ph/0005200v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, LATEX file, 5 ps-figures; changed LATEX style; estimated the model uncertainty

Scientific paper

In the framework of the vector dominance model (VDM) new contribution into the cross-section of $D^*$-meson photoproduction at HERA has been estimated. This contribution is due to the interaction of the virtual vector $c\bar c$-mesons from photon with the proton. It has been shown that the mechanism under discussion plays the essential role for all values of transverse momentum of $D^*$-mesons at HERA. Taking into account for the contribution of this mechanism improves the description of the experimental cross section distribution.

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