Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-03-28
Phys.Lett. B418 (1998) 345-354; Erratum-ibid. B429 (1998) 414
Physics
High Energy Physics
High Energy Physics - Phenomenology
20 pages, RevTex. Final version with updated figures. Published in Phys. Lett. B
Scientific paper
10.1016/S0370-2693(98)00467-5
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 $g(x_{1},x_{2},t,\mu^2)$ can be well approximated at small $x$ by the conventional gluon density $xG(x,\mu^2)$. Keywords: Hard Diffractive Scattering, Nondiagonal distributions, Evolution
Frankfurt Leonid L.
Freund Andreas
Guzey Vadim
Strikman Mark
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