Particle and Astro-Particle Physics Seminars

One-Loop Multi-Parton Amplitudes for the LHC

by Harald Ita

TH Theory Conference Room (CERN)

TH Theory Conference Room


We discuss the computation of one-loop QCD scattering amplitudes with BlackHat, a numerical program based on on-shell methods. We report scaling properties with increasing numbers of external partons and about numerical stability of the implementation. We conclude with first results from one-loop amplitudes needed for computing W,Z + 3 jet cross sections at the LHC to next-to-leading order in the QCD coupling.
Organized by

Stefano Frixione

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