title: Two-Loop Six Gluon All-Plus Helicity Amplitude.
abstract: We present an analytic expression for the six-point all-plus helicity amplitude in QCD at two loops. We compute the rational terms in a compact analytic form organized by their singularity structure.
authors.affiliation: College of Science, Swansea University, Swansea SA2 8PP, United Kingdom.
authors.forename: David C
authors.initials: DC
authors.lastname: Dunbar
authors.affiliation: College of Science, Swansea University, Swansea SA2 8PP, United Kingdom.
authors.forename: Warren B
authors.initials: WB
authors.lastname: Perkins