6533b839fe1ef96bd12a6758

RESEARCH PRODUCT

Color decomposition of multi-quark one-loop QCD amplitudes

Stefan WeinzierlChristian Reuschle

subject

QuarkQuantum chromodynamicsPhysicsHigh Energy Physics - TheoryHigh Energy Physics::LatticeHigh Energy Physics::PhenomenologyFOS: Physical sciencesFeynman graphSystem of linear equationsGluonHigh Energy Physics - PhenomenologyAmplitudeHigh Energy Physics - Phenomenology (hep-ph)High Energy Physics - Theory (hep-th)Quark–gluon plasmaMathematical physics

description

In this talk we discuss the color decomposition of tree-level and one-loop QCD amplitudes with arbitrary numbers of quarks and gluons. We present a method for the decomposition of partial amplitudes into primitive amplitudes, which is based on shuffle relations and is purely combinatorial. Closed formulae are derived, which do not require the inversion of a system of linear equations.

http://arxiv.org/abs/1406.7652