Calculating gluon one-loop amplitudes numerically

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This note reports on an independent implementation of calculating one-loop amplitudes semi-numerically using generalized unitarity techniques. The algorithm implemented in form of a C++ code closely follows the method by Ellis, Giele, Kunszt and Melnikov. For the case of gluons, the algorithm is briefly reviewed. Double-precision results are presented documenting the accuracy and efficiency of this computation.
Contribution to Proceedings of LCWS08 and ILC08

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/218235

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0902.0094
 http://arxiv.org/abs/0902.0094

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arXiv