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

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Publication date

March 2017

DOI

10.1007/JHEP03(2017)139

Publisher

Springer Science and Business Media LLC

Journal

Journal of High Energy Physics

Abstract

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

Abstract

Extracted data

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

Abstract

Extracted data

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