Two-loop six gluon all plus helicity amplitude

TL;DR

This paper provides an explicit two-loop analytic expression for the six-gluon all-plus helicity amplitude in QCD, including rational terms organized by their singularity structure.

Contribution

It introduces a compact analytic form for the rational terms of the two-loop six-gluon all-plus helicity amplitude in QCD, advancing computational techniques.

Findings

Explicit two-loop analytic expression derived

Rational terms organized by singularity structure

Enhances understanding of gluon scattering amplitudes

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 organised by their singularity structure.