====== TTP16-011 A planar four-loop form factor and cusp anomalous dimension in QCD ====== ^ TTP16-011 A planar four-loop form factor and cusp anomalous dimension in QCD^ |**Johannes M. Henn, Alexander V. Smirnov, Vladimir A. Smirnov, Matthias Steinhauser ** | |**JHEP 1605 (2016) 066**| | {{preprints:2016:ttp16-011.pdf|PDF}} {{preprints:2016:ttp16-011.ps|PostScript}} [[http://arxiv.org/abs/1604.03126|arXiv]] | | |