Infrared singularities in one-loop amplitudes

Details Infrared singularities in one-loop amplitudes Infrared singularities in one-loop amplitudes

2010-06-23

arxiv.org/abs/1006.4609v1

Nucl.Phys.Proc.Suppl.205-206:224-229,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, talk given at the conference "Loops and Legs", Woerlitz, 2010

Scientific paper

10.1016/j.nuclphysbps.2010.08.04

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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