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Scattering amplitudes on the Coulomb branch of N=4 super Yang-Mills

Johannes M. Henn
(
- Humboldt U., Berlin
)

May, 2010

6 pages

Part of Proceedings, 10th DESY Workshop on Elementary Particle Theory: Loops and Legs in Quantum Field Theory : Woerlitz, Germany, April 25-30, 2010

Published in:

Nucl.Phys.B Proc.Suppl. 205-206 (2010) 193-198

Contribution to:

10th DESY Workshop on Elementary Particle Theory: Loops and Legs in Quantum Field Theory

e-Print:

1005.2902 [hep-ph]

DOI:

10.1016/j.nuclphysbps.2010.08.042

Report number:

HU-EP-10-22

View in:

ADS Abstract Service

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Abstract: (arXiv)

We discuss planar scattering amplitudes on the Coulomb branch of N=4 super Yang-Mills. The vacuum expectation values on the Coulomb branch can be used to regulate infrared divergences. We argue that this has a number of conceptual as well as practical advantages over dimensional regularisation.

supersymmetry: 4
regularization: dimensional
scattering amplitude
infrared problem

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