Charm content of a proton in collinear parton model and in kT-factorization approach
V. A. Saleev, D. V. Vasin
Abstract
It is shown that the difference between the c-quark proton structure functions calculated in the kT-factorization approach using different unintegrated gluon distribution functions is the same order as the difference between results obtained in the parton model and in the kT-factorization approach.
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