The charm contribution into the proton structure function in DIS at the HERA ep-collider
Abstract
In the framework of perturbative QCD and a model for the production of charmed hadrons the structure function Fc2 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 pT>10 GeV, only. We find that the evolution of Fc2(x,Q2) versus the virtuality Q2 can be neglected in the kinematic region of HERA.
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