Measurement of D^(*+-) Meson Production and F_2^c in Deep-Inelastic Scattering at HERA

Details Measurement of D^(*+-) Meson Production and F_2^c in Deep-Inelastic Scattering at HERA Measurement of D^(*+-) Meson Production and F_2^c in Deep-Inelastic Scattering at HERA

2001-08-23

arxiv.org/abs/hep-ex/0108039v1

Phys.Lett.B528:199-214,2002

Physics

High Energy Physics

High Energy Physics - Experiment

23 pages, 7 figures, 3 tables

Scientific paper

10.1016/S0370-2693(02)01195-4

The inclusive production of D^{*+-}(2010) mesons in deep-inelastic scattering is studied with the H1 detector at HERA. In the kinematic region 11.5 GeV and |\eta_(D^*)|<1.5. Single and double differential inclusive D^(*+-) meson cross sections are compared to perturbative QCD calculations in two different evolution schemes. The charm contribution to the proton structure, F_2^c(x,Q^2), is determined by extrapolating the visible charm cross section to the full phase space. This contribution is found to rise from about 10% at Q^2 = 1.5 GeV^2 to more than 25% at Q^2 = 60 GeV^2 corresponding to x values ranging from 5*10^(-5) to 3*10^(-3)$.

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