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arXiv · 1301.3504

Integration of collinear-type doubly unresolved counterterms in NNLO jet cross sections

Vittorio Del Duca·Gabor Somogyi·Zoltan Trocsanyi
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Abstract

In the context of a subtraction method for jet cross sections at NNLO accuracy in the strong coupling, we perform the integration over the two-particle factorised phase space of the collinear-type contributions to the doubly unresolved counterterms. We present the final result as a convolution in colour space of the Born cross section and of an insertion operator, which is written in terms of master integrals that we expand in the dimensional regularisation parameter.

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Vittorio Del Duca, Gabor Somogyi, Zoltan Trocsanyi. 2013-01-15. Integration of collinear-type doubly unresolved counterterms in NNLO jet cross sections. https://doi.org/10.1007/jhep06(2013)079

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