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arXiv · 0903.4665

Automated one-loop calculations: a proof of concept

A. van Hameren·C. G. Papadopoulos·R. Pittau
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Abstract

An algorithm, based on the OPP reduction method, to automatically compute any one-loop amplitude, for all momentum, color and helicity configurations of the external particles, is presented. It has been implemented using the tree-order matrix element code HELAC and the OPP reduction code CutTools. As a demonstration of the potential of the current implementation, results for all sub-processes included in the 2007 Les Houches wish list for LHC, are presented.

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A. van Hameren, C. G. Papadopoulos, R. Pittau. 2010-11-18. Automated one-loop calculations: a proof of concept. https://doi.org/10.1088/1126-6708%2F2009%2F09%2F106

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