CHY Representation of the Massive Six Quark Amplitude in QCD

A.R. Fazio, J.P. Vesga Simmons, G. Chiodini, C. Corianò, D.M. Creanza, F. De Fazio, E. Nappi, P. Colangelo, S. Spagnolo, G.E. Bruno
2016 EPJ Web of Conferences  
The Cachazo-He-Yuan (CHY) representation for tree-level scattering amplitudes based on the so called scattering equations is proved to hold for six quarks QCD primitive amplitudes. Since the CHY representation allows to separate information into a factor which depends upon the helicities of the particles and into a factor depending on the ordering of the external particles, we prove that the external orderings of a minimal amplitude basis for three quarks pairs remain linearly independent, when
more » ... y independent, when viewed as the external orderings of the pure gluonic amplitudes.
doi:10.1051/epjconf/201612900011 fatcat:jno776otwfhtfbrvsmwend5jgq