The Infrared Behavior of QCD Cross Sections at Next-to-Next-to-Leading Order
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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 $ε$. 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 $ε$.
LaTeX, 11 pages. To appear in the Proceedings of the Corfu Summer Institute on Elementary Particle Physics, 1998
LaTeX, 11 pages. To appear in the Proceedings of the Corfu Summer Institute on Elementary Particle Physics, 1998