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paper

The Four-Loop QCD Beta-Function and Anomalous Dimensions

arXiv:hep-ph/0411261 · doi:10.1016/j.nuclphysb.2005.01.012

Abstract

The four-loop beta-function of quantum chromodynamics is calculated and agreement is found with the previous result. The anomalous dimensions of the quark-gluon vertex, and quark, gluon and ghost fields are given for a general compact simple Lie group.

14 pages