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Disentangling soft and collinear effects in QCD parton showers

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arxiv 2110.05964 v2 pith:K7ID7GZF submitted 2021-10-12 hep-ph

Leif Gellersen , Stefan Höche , Stefan Prestel This is my paper · ORCID
classification hep-ph
keywords partoncollinearsoftalphaanalyzecolorcorrectionsdire
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abstract

We introduce a method for the separation of soft and collinear logarithms in QCD parton evolution at $\mathcal{O}(\alpha_s^2)$ and at leading color. Using an implementation of the technique in the Dire parton shower, we analyze the numerical impact of genuine triple-collinear corrections from quark pair emission in $e^+e^-\to$ hadrons.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Recoil-Safe Subtraction, Matching and Merging in e+e- to hadrons

    hep-ph 2025-07 conditional novelty 6.0 of 10

    The Alaric shower is matched to NLO matrix elements and merged to five jets in e+e- to hadrons, with new analytic subtraction terms validated against Catani-Seymour subtraction.

  2. Soft-gluon coupling and the TMD parton branching Sudakov form factor

    hep-ph 2024-12 conditional novelty 6.0 of 10

    The parton branching TMD framework is upgraded from NLL to NNLL accuracy using the soft-gluon physical coupling, with the Collins-Soper kernel evaluated at NNLL.

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