====== TTP19-001 Four-loop quark form factor with quartic fundamental colour factor ====== ^ TTP19-001 Four-loop quark form factor with quartic fundamental colour factor^ |** Roman N. Lee, Alexander V. Smirnov, Vladimir A. Smirnov, Matthias Steinhauser ** | | {{|PDF}} {{preprints:2019:ttp19-001.tar.gz|tar}} [[https://arxiv.org/abs/1901.xxxxx|arXiv]] | | |