# How to calculate colourful cross sections efficiently

@inproceedings{Gleisberg2008HowTC, title={How to calculate colourful cross sections efficiently}, author={T. Gleisberg and S. Hoeche and F. Krauss}, year={2008} }

Different methods for the calculation of cross sections with many QCD particles are compared. To this end, CSW vertex rules, Berends-Giele recursion and Feynman-diagram based techniques are implemented as well as various methods for the treatment of colours and phase space integration. We find that typically there is only a small window of jet multiplicities, where the CSW technique has efficiencies comparable or better than both of the other two methods.

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