Generalised Unitarity of One-Loop Amplitudes

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• Dr Pierpaolo Mastrolia (CERN)
• Friday 10 October 2008, 16:00-17:00
• MR13, CMS.

If you have a question about this talk, please contact Are Raklev.

I discuss how complex analysis and unitarity-cuts can be employed for computing one-loop scattering amplitude very efficiently. The use of spinor-variables and Cauchy residue theorem are suitable for the analytic integration of multiple-cuts; whereas the Discrete Fourier Transform optimizes the integrand-reduction, in semi-numerical calculations.

This talk is part of the HEP phenomenology joint Cavendish-DAMTP seminar series.

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