On the k dependent gluon density in hadrons and the photon
J. Blümlein
Abstract
The k dependent gluon distribution for protons, pions,and photons is calculated accounting for the resummation of small~x effects due to the Lipatov equation. It is represented by a convolution of a gluon density in the collinear limit and a universal function G(x,k2,μ) for which an analytic expression is derived.
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