A forest formula to subtract infrared singularities in amplitudes for wide-angle scattering
Sign Up to like & getrecommendations! Published in 2019 at "Journal of High Energy Physics"
DOI: 10.1007/jhep05(2020)012
Abstract: For any hard QCD amplitude with massless partons, infrared (IR) singularities arise from pinches in the complex planes of loop momenta, called pinch surfaces. To organize and study their leading behaviors in the neighborhoods of… read more here.
Keywords: infrared singularities; forest formula; subtract infrared; formula subtract ... See more keywords