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Quark and gluon form factors in four-loop QCD

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arxiv 2202.04660 v1 pith:FO74CDBB submitted 2022-02-09 hep-ph hep-th

Roman N. Lee , Andreas von Manteuffel , Robert M. Schabinger , Alexander V. Smirnov , Vladimir A. Smirnov , Matthias Steinhauser This is my paper
classification hep-phhep-th
keywords factorsformfour-loopanalyticblocksbosonbuildingchromodynamics
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abstract

We compute the photon-quark and Higgs-gluon form factors to four-loop order within massless perturbative Quantum Chromodynamics. Our results constitute ready-to-use building blocks for N${}^4$LO cross sections for Drell-Yan processes and gluon-fusion Higgs boson production at the LHC. We present complete analytic expressions for both form factors and show several of the most complicated master integrals.

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