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Durham University

Department of Physics

Staff profile

Publication details for Simon Badger

Badger, Simon, Brønnum-Hansen, Christian, Hartanto, Heribertus Bayu & Peraro, Tiziano (2018). First Look at Two-Loop Five-Gluon Scattering in QCD. Physical Review Letters 120(9): 092001.

Author(s) from Durham


We compute the leading-color contributions to five-gluon scattering at two loops in massless QCD. The integrands of all independent helicity amplitudes are evaluated using

  • dimensional generalized unitarity cuts and finite field reconstruction techniques. Numerical evaluation of the integral basis is performed with sector decomposition methods to obtain the first benchmark results for all helicity configurations of a


scattering process in QCD.