Nondiagonal Parton Distributions in the Leading Logarithmic Approximation
L. L. Frankfurt, A. Freund, V. Guzey, M. Strikman
Abstract
In this paper we make predictions for nondiagonal parton distributions in a proton in the LLA. We calculate the DGLAP-type evolution kernels in the LLA, solve the nondiagonal GLAP evolution equations with a modified version of the CTEQ-package and comment on the range of applicability of the LLA in the asymmetric regime. We show that the nondiagonal gluon distribution g(x1,x2,t,μ2) can be well approximated at small x by the conventional gluon density xG(x,μ2). Keywords: Hard Diffractive Scattering, Nondiagonal distributions, Evolution
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