Physics Letters B (Sep 2021)

Four-loop collinear anomalous dimensions in QCD and N=4 super Yang-Mills

  • Bakul Agarwal,
  • Andreas von Manteuffel,
  • Erik Panzer,
  • Robert M. Schabinger

Journal volume & issue
Vol. 820
p. 136503

Abstract

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We calculate the collinear anomalous dimensions in massless four-loop QCD and N=4 supersymmetric Yang-Mills theory from the infrared poles of vertex form factors. We give very precise numerical approximations and a conjecture for the complete analytic results in both models we consider.