Automated one-loop calculations with GoSam

Details Automated one-loop calculations with GoSam Automated one-loop calculations with GoSam

2012-01-13

arxiv.org/abs/1201.2782v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

Reference added in version 2. Talk given at the 10th International Symposium on Radiative Corrections - RADCOR 2011; Mamallapu

Scientific paper

In this talk, the program package GOSAM is presented, which can be used for the automated calculation of one-loop amplitudes for multi-particle processes. The integrands are generated in terms of Feynman diagrams and can be reduced by d-dimensional integrand-level decomposition, or tensor reduction, or a combination of both. Through various examples we show that GOSAM can produce one-loop amplitudes for both QCD and electroweak theory; model files for theories Beyond the Standard Model can be linked as well.

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