Analytic Integration of Soft and Collinear Radiation in Factorised QCD Cross Sections at NNLO
The Journal of high energy physics/The journal of high energy physics(2021)
Abstract
Within the framework of local analytic sector subtraction, we present the full analytic integration of double-real and real-virtual local infrared counterterms that enter NNLO QCD computations with any number of massless final-state partons. We show that a careful choice of phase-space mappings leads to simple analytic results, including non-singular terms, that can be obtained with conventional integration techniques.
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Key words
QCD Phenomenology
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