The one-loop amplitude for six-gluon scattering

Details The one-loop amplitude for six-gluon scattering The one-loop amplitude for six-gluon scattering

2006-02-20

arxiv.org/abs/hep-ph/0602185v1

JHEP0605:027,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1088/1126-6708/2006/05/027

We present results for the six-gluon scattering amplitude at one-loop. Since our method is semi-numerical, it yields the result for arbitrary momenta and helicities of the external gluons. We evaluate the colour-ordered sub-amplitudes with gluons, fermions and scalars running in the internal loop. This is more than sufficient to give a complete description of six-gluon scattering at one-loop in QCD. Combination of these results into amplitudes with ${\cal{N}}=4$ and ${\cal{N}}=1$ multiplets of supersymmetric Yang-Mills or with a complex scalar in the internal loops allows comparison with analytic results in the literature. The numerical results for most of the helicity combinations with loops of complex scalars are new.

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