A subtraction scheme for computing QCD jet cross sections at NNLO: integrating the doubly unresolved subtraction terms

Gabor Somogyi

A subtraction scheme for computing QCD jet cross sections at NNLO: integrating the doubly unresolved subtraction terms

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arxiv 1301.3919 v2 pith:64VPCNDU submitted 2013-01-16 hep-ph

Gabor Somogyi This is my paper · ORCID

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keywords nnloschemesubtractioncomputingcrossdefinitiondoublysections

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We finish the definition of a subtraction scheme for computing NNLO corrections to QCD jet cross sections. In particular, we perform the integration of the soft-type contributions to the doubly unresolved counterterms via the method of Mellin-Barnes representations. With these final ingredients in place, the definition of the scheme is complete and the computation of fully differential rates for electron-positron annihilation into two and three jets at NNLO accuracy becomes feasible.

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