Matching of Singly- and Doubly-Unresolved Limits of Tree-level QCD Squared Matrix Elements

Details Matching of Singly- and Doubly-Unresolved Limits of Tree-level QCD Squared Matrix Elements Matching of Singly- and Doubly-Unresolved Limits of Tree-level QCD Squared Matrix Elements

2005-02-24

arxiv.org/abs/hep-ph/0502226v2

JHEP 0506 (2005) 024

Physics

High Energy Physics

High Energy Physics - Phenomenology

53 pages, no figures, journal version, 1 reference added, minor corrections

Scientific paper

10.1088/1126-6708/2005/06/024

We describe how to disentangle the singly- and doubly-unresolved (soft and/or
collinear) limits of tree-level QCD squared matrix elements. Using the
factorization formulae presented in this paper, we outline a viable general
subtraction scheme for computing next-to-next-to-leading order corrections for
electron-positron annihilation into jets.

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