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arxiv 1808.04742 v1 pith:C3H65P5H submitted 2018-08-14 hep-ph hep-th

Anomalous dimension of subleading-power {N}-jet operators II

Martin Beneke , Mathias Garny , Robert Szafron , Jian Wang This is my paper
classification hep-ph hep-th
keywords anomalouscollineardimensionoperatorscurrentsfermionnumberpower-suppressed
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We continue the investigation of the anomalous dimension of subleading-power $N$-jet operators. In this paper, we focus on the operators with fermion number one in each collinear direction, corresponding to quark (antiquark) initiated jets in QCD. We investigate the renormalization effects induced by the soft loop and compute the one-loop mixing of time-ordered products involving power-suppressed SCET Lagrangian insertions into $N$-jet currents through soft loops. We discuss fermion number conservation in collinear directions and provide explicit results for the collinear anomalous dimension matrix of the currents. The Feynman rules for the power-suppressed SCET interactions in the position-space formalism are collected in an appendix.

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Cited by 3 Pith papers

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

  1. One-loop matching of QCD currents to power-suppressed two-jet operators

    hep-ph 2026-07 unverdicted novelty 7.0

    Computes NLO matching of QCD currents to power-suppressed two- and three-particle two-jet operators in SCET up to O(λ²), with endpoint factorization relations shown.

  2. The Fate of Ultra-Collinear Modes in On-Shell Massive Sudakov Form Factors

    hep-ph 2026-04 unverdicted novelty 6.0

    Ultra-collinear modes cancel to all orders in on-shell massive Sudakov form factors by gauge invariance, preserving SCET_II factorization, with explicit two-loop soft and jet functions computed via eta regulator and N...

  3. NLP threshold corrections to W+jet production

    hep-ph 2025-10 unverdicted novelty 5.0

    Computes helicity-dependent NLP leading logs in W+jet production via spinor shifts and soft quark operators, confirming agreement with a universal NLP structure for massive colourless final states plus jet.