We show that the use of Sudakov variables greatly simplifies the study of the solutions to the scattering equations in the Cachazo-He-Yuan formalism. We work in the center-of-mass frame for the two incoming particles, which partially fixes the SL(2,C) redundancy in the integrand defining ...
Goddard, Proof of the Formula of Cachazo, He and Yuan for Yang-Mills Tree Amplitudes in Arbitrary Dimension , JHEP 05 (2014) 010 [ arXiv:1311.5200 ] [ INSPIRE ]. MathSciNet ADSL. Dolan and P. Goddard, Proof of the formula of Cachazo, He and Yuan for Yang-Mills tree ...