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The full four-loop cusp anomalous dimension in super Yang-Mills and QCD
Johannes M. Henn, Gregory P. Korchemsky, Bernhard Mistlberger
We present the complete formula for the cusp anomalous dimension at four loops in QCD and in maximally supersymmetric Yang-Mills. In the latter theory it is given by \begin{equatio…
Four-particle scattering amplitudes in QCD at NNLO to higher orders in the dimensional regulator
Taushif Ahmed, Johannes Henn, Bernhard Mistlberger
We compute all helicity amplitudes for four-particle scattering in massless QCD with fermion flavours to next-to-next-to-leading order (NNLO) in perturbation theory. In parti…
Four-graviton scattering to three loops in supergravity
Johannes M. Henn, Bernhard Mistlberger
We compute the three-loop scattering amplitude of four gravitons in supergravity. Our results are analytic formulae for a Laurent expansion of the amplitude in the…