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Multi-leg One-loop Massive Amplitudes from Integrand Reduction via Laurent Expansion

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arxiv 1312.6678 v3 pith:GPIP45H2 submitted 2013-12-23 hep-ph

Multi-leg One-loop Massive Amplitudes from Integrand Reduction via Laurent Expansion

Hans van Deurzen , Gionata Luisoni , Pierpaolo Mastrolia , Edoardo Mirabella , Giovanni Ossola , Tiziano Peraro This is my paper
classification hep-ph
keywords reductionamplitudesexpansionintegrandlaurentmassiveone-loopapplication
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present the application of a novel reduction technique for one-loop scattering amplitudes based on the combination of the integrand reduction and Laurent expansion. We describe the general features of its implementation in the computer code NINJA, and its interface to GoSam. We apply the new reduction to a series of selected processes involving massive particles, from six to eight legs.

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