The structure functions F_2^c and F_L^c in the framework of the k_T factorization

Details The structure functions F_2^c and F_L^c in the framework of the k_T factorization The structure functions F_2^c and F_L^c in the framework of the k_T factorization

2002-08-22

arxiv.org/abs/hep-ph/0208195v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 2 figures, latex. Talk presented at the XVIth International Workshop "High Energy Physics and Quantum Field Theory",

Scientific paper

We present the perturbative parts of the structure functions F_2^c and F_L^c for a gluon target having nonzero transverse momentum squared at order \alpha _s. The results of the double convolution (with respect to the Bjorken variable x and the transverse momentum) of the perturbative part and the unintegrated gluon densities are compared with HERA experimental data for F_2^c. The contribution from F_L^c structure function ranges 10\div30% of that of F_2^c at the HERA kinematical range.

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