Loops and legs beyond perturbation theory

Details Loops and legs beyond perturbation theory Loops and legs beyond perturbation theory

2000-05-30

arxiv.org/abs/hep-ph/0005307v1

Nucl.Phys.Proc.Suppl. 89 (2000) 203-209

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk presented at the Loops and Legs in Quantum Field Theory 2000 meeting

Scientific paper

10.1016/S0920-5632(00)00844-6

Within the non-perturbative 1/N expansion, we discuss numerical methods for calculating multi-loop Feynman graph needed to derive physical scattering amplitudes. We apply higher order 1/N methods to the scalar sector of the standard model, and show the existence of a mass saturation effect. The mass saturation has direct implications for future searches at the LHC and at possible muon colliders.

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