Parton interactions in the Bjorken limit of QCD

Abstract

We consider the Bjorken limit in the framework of the effective action approach and discuss its similarities to the Regge limit. The proposed effective action allows for a rather simple calculation of the known evolution kernels. We represent the result in terms of two-parton interaction operators involving gluon and quark operators depending on light-ray position and helicity and analyze their symmetry properties.

32 pages LaTex, 4 eps-figures, comments added, minor corrections

Cited by in corpus (8)

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• Correlators with $s{\ell }_2$ Yangian symmetry
• Symmetric reggeon interaction in perturbative QCD
• Yangian symmetry applied to Quantum chromodynamics