Infrared singularities in one-loop amplitudes
classification
✦ hep-ph
keywords
infraredlocalone-loopsubtractionadditionamplitudeamplitudesapproach
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In this talk we discuss a purely numerical approach to next-to-leading order calculations in QCD. We present a simple formula, which provides a local infrared subtraction term for the integrand of a one-loop amplitude. In addition we briefly comment on local ultraviolet subtraction terms and on the required deformation of the contour of integration.
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