The structure functions F2c and FLc in the framework of the kT factorization
Abstract
We present the perturbative parts of the structure functions F2c and FLc for a gluon target having nonzero transverse momentum squared at order α 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 F2c. The contribution from FLc structure function ranges 1030% of that of F2c at the HERA kinematical range.
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