The Infrared Behavior of QCD Cross Sections at Next-to-Next-to-Leading Order

Details The Infrared Behavior of QCD Cross Sections at Next-to-Next-to-Leading Order The Infrared Behavior of QCD Cross Sections at Next-to-Next-to-Leading Order

1999-03-30

arxiv.org/abs/hep-ph/9903525v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX, 11 pages. To appear in the Proceedings of the Corfu Summer Institute on Elementary Particle Physics, 1998

Scientific paper

In this talk we examine how one-loop soft and collinear splitting functions occur in the calculation of next-to-next-to-leading order (NNLO) corrections to production rates, and we present the one-loop gluon soft and splitting functions, computed to all orders in the dimensional regularization parameter $\epsilon$. We apply the one-loop gluon soft function to the calculation of the next-to-leading logarithmic corrections to the Lipatov vertex to all orders in $\epsilon$.

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