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T: Fachverband Teilchenphysik

T 22: Quantenfeldtheorie

T 22.3: Talk

Wednesday, February 29, 2012, 17:15–17:30, VG 3.101

New relations for scattering amplitudes in Yang-Mills theory at loop level — •Reinke Sven Isermann and Rutger Boels — Universität Hamburg

The calculation of scattering amplitudes is important for the analysis of scattering processes at particle colliders as well as for our understanding of perturbation theory.

In this talk I will present a series of new relations for scattering amplitudes in quite general gauge theories at loop level.

The existence of these relations can be understood from the analysis of certain large momentum shifts of tree amplitudes and loop level integrands. As an example, a concrete relation for the integrand at one-loop will be discussed.