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.
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Henn, J., Lee, R.N., Smirnov, A.V. et al. Four-loop photon quark form factor and cusp anomalous dimension in the large-N c limit of QCD. J. High Energ. Phys. 2017, 139 (2017). https://doi.org/10.1007/JHEP03(2017)139
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DOI: https://doi.org/10.1007/JHEP03(2017)139