Cancellation of infrared divergences at NNLO
PS04 Hard QCD
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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
KeywordsSubtraction Method Perturbative Calculation Infrared Divergence Infrared Singularity
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© Springer-Verlag, Società Italiana di Fisica 2003