Automation of One-Loop Calculations with GoSam: Present Status and Future Outlook

Details Automation of One-Loop Calculations with GoSam: Present Status and Future Outlook Automation of One-Loop Calculations with GoSam: Present Status and Future Outlook

2011-11-14

arxiv.org/abs/1111.3339v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 2 figures, presented at the XXXV International Conference of Theoretical Physics "Matter to the Deepest": Recent Dev

Scientific paper

In this presentation, we describe the GoSam (Golem/Samurai) framework for the automated computation of multi-particle scattering amplitudes at the one-loop level. The amplitudes are generated analytically in terms of Feynman diagrams, and can be evaluated using either D-dimensional integrand reduction or tensor decomposition. GoSam can be used to compute one-loop corrections to Standard Model (QCD and EW) processes, and it is ready to link generic model files for theories Beyond SM. We show the main features of GoSam through its application to several examples of different complexity.

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