The charm contribution into the proton structure function in DIS at the HERA ep-collider

Details The charm contribution into the proton structure function in DIS at the HERA ep-collider The charm contribution into the proton structure function in DIS at the HERA ep-collider

2002-04-23

arxiv.org/abs/hep-ph/0204268v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 pages, 9 figures

Scientific paper

In the framework of perturbative QCD and a model for the production of charmed hadrons the structure function $F^c_2$ is calculated and compared with the experimental data of H1 and ZEUS Collaborations. We show that the spectator mechanism of the $D^*$-meson production independent of a hadronic remnant is valid at $p_T>10$ GeV, only. We find that the evolution of $F^c_2(x,Q^2)$ versus the virtuality $Q^2$ can be neglected in the kinematic region of HERA.

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