Four-loop photon quark form factor and cusp anomalous dimension in the large-$N_c$ limit of QCD

Alexander V. Smirnov; Johannes Henn; Matthias Steinhauser; Roman N. Lee; Vladimir A. Smirnov

arxiv: 1612.04389 · v2 · pith:OSCWVXOZnew · submitted 2016-12-13 · ✦ hep-ph

Four-loop photon quark form factor and cusp anomalous dimension in the large-N_c limit of QCD

Johannes Henn , Roman N. Lee , Alexander V. Smirnov , Vladimir A. Smirnov , Matthias Steinhauser This is my paper

classification ✦ hep-ph

keywords anomalouscuspfactorformfour-looplarge-limitanalytic

0 comments

read the original abstract

We compute the four-loop QCD corrections to the massless quark-anti-quark-photon form factor $F_q$ in the large-$N_c$ limit. From the pole part we extract analytic expressions for the corresponding cusp and collinear anomalous dimensions.

This paper has not been read by Pith yet.

discussion (0)

Forward citations

Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

Progress on the soft anomalous dimension in QCD
hep-ph 2026-04 unverdicted novelty 6.0

A lightcone-expansion strategy using Wilson-line correlators and the Method of Regions yields the three-loop soft anomalous dimension for QCD amplitudes with one massive colored particle and arbitrary massless ones.