The Infrared Behavior of One-Loop QCD Amplitudes at Next-to-Next-to-Leading Order

Details The Infrared Behavior of One-Loop QCD Amplitudes at Next-to-Next-to-Leading Order The Infrared Behavior of One-Loop QCD Amplitudes at Next-to-Next-to-Leading Order

1999-03-30

arxiv.org/abs/hep-ph/9903516v2

Phys.Rev. D60 (1999) 116001

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex, 39 pages, normalization corrected in eq. (3.7)

Scientific paper

10.1103/PhysRevD.60.116001

We present universal factorization formulas describing the behavior of one-loop QCD amplitudes as external momenta become either soft or collinear. Our results are valid to all orders in the dimensional regularization parameter, $\eps$. Terms through $\Ord(\eps^2)$ can contribute in infrared divergent phase space integrals associated with next-to-next-to-leading order jet cross-sections.

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