IR subtraction schemes: integrating the counterterms at NNLO in QCD

Details IR subtraction schemes: integrating the counterterms at NNLO in QCD IR subtraction schemes: integrating the counterterms at NNLO in QCD

2010-05-31

arxiv.org/abs/1005.5667v2

PoS ACAT2010:080,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk given at 13th International Workshop on Advanced Computing and Analysis Techniques in Physics Research, ACAT2010, Februar

Scientific paper

We briefly review a subtraction scheme for computing radiative corrections to QCD jet cross sections that can be defined at any order in perturbation theory. Hereafter we discuss the computational methods used to evaluate analytically and numerically the integrated counterterms arising from such a subtraction scheme. Basically these methods the Mellin-Barnes (MB) representations technique together with the harmonic summation and the sector decomposition.

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