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arxiv: 1705.06862 · v1 · submitted 2017-05-19 · ✦ hep-ph

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The n_f² contributions to fermionic four-loop form factors

Roman N. Lee , Alexander V. Smirnov , Vladimir A. Smirnov , Matthias Steinhauser
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classification ✦ hep-ph
keywords contributionsfactorsformfour-loopnon-planarquarkanalyticalcalculation
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We compute the four-loop contributions to the photon quark and Higgs quark form factors involving two closed fermion loops. We present analytical results for all non-planar master integrals of the two non-planar integral families which enter our calculation.

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