Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-12-08
Physics
High Energy Physics
High Energy Physics - Phenomenology
18 pages, 10 figures In the present version misprints found in the prevcious version are corrected and some more details are e
Scientific paper
We consider the QCD factorization of DIS structure functions at small x and amplitudes of 2->2 -hadronic forward scattering at high energy. We show that both collinear and k_T-factorization for these processes can be obtained approximately as reductions of a more general (totally unintegrated) form of the factorization. The requirement of ultraviolet and infrared stability of the factorization convolutions allows us to obtain restrictions on the fits for the parton distributions in k_T- and collinear factorization.
Ermolaev B. I.
Greco Mario
Troyan S. I.
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