Cancellation of infrared divergences at NNLO

  • Stefan Weinzierl
PS04 Hard QCD

Abstract

Perturbative calculations at next-to-next-to-leading order for multi-particle final states require a method to cancel infrared singularities. I discuss how to setup the subtraction method at NNLO.

PACS: 12.38.Bx Perturbative calculations

Keywords

Subtraction Method Perturbative Calculation Infrared Divergence Infrared Singularity 

Copyright information

© Springer-Verlag, Società Italiana di Fisica 2003

Authors and Affiliations

  • Stefan Weinzierl
    • 1
  1. 1.Max-Planck-Institut für Physik (Werner-Heisenberg-Institut), Föhringer Ring 6, D-80805 MünchenGermany

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