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

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arxiv hep-ph/0502226 v2 pith:KZJEEE4Z submitted 2005-02-24 hep-ph

Gábor Somogyi , Zoltán Trócsányi , Vittorio Del Duca This is my paper · ORCID
classification hep-ph
keywords doubly-unresolvedelementslimitsmatrixsingly-squaredtree-levelannihilation
verification ladder T0 review T1 audit T2 compute T3 formal
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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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Forward citations

Cited by 5 Pith papers

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  3. NNLOCAL: completely local subtractions for color-singlet production in hadron collisions

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  4. Triple real-emission contribution to the zero-jettiness soft function at N3LO in QCD

    hep-ph 2024-12 conditional novelty 6.0 of 10

    The paper provides the technical derivation and cross-checks of the triple-real-emission piece of the N3LO zero-jettiness soft function, confirming the result announced in arXiv:2409.11042.

  5. CoLoRFulNNLO for color-singlet processes: An update on NNLOCAL

    hep-ph 2026-05 unverdicted novelty 5.0 of 10

    NNLOCAL extends CoLoRFulNNLO to color-singlet processes using generic QCD IR factorization counterterms integrated analytically for stable NNLO LHC cross sections.

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