An n-point QCD two-loop amplitude

2020/01/31 by David C. Dunbar, Warren B. Perkins, Joseph M. W. Strong
Physics and Astronomy · #hep-ph #hep-th

paper · pdf · doi:10.1103/physrevd.101.076001

published as Phys. Rev. D 101, 076001 (2020) · v3 : clarification of eq 7.2, citations updated. arXiv admin note: text overlap with arXiv:1911.06547

arxiv created 2020/03/12 · arxiv updated 2020/04/08

Abstract

We present an explicit expression for a particular n-gluon two loop scattering partial amplitude. Specifically we present an analytic form for the single trace N_c independent colour partial amplitude for the case where all external gluons have positive helicity.

Citations

• Color Dressed Unitarity and Recursion for Yang-Mills Two-Loop All-Plus Amplitudes