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Resummation and simulation of soft gluon effects beyond leading colour

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arxiv 2007.09648 v2 pith:C75FUWH7 submitted 2020-07-19 hep-ph

Matthew De Angelis , Jeffrey R. Forshaw , Simon Plätzer This is my paper
classification hep-ph
keywords algorithmbeyondcoloureffectsgluonpartonsimulationsoft
verification ladder T0 review T1 audit T2 compute T3 formal
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We present first results of resumming soft gluon effects in a simulation of high energy collisions beyond the leading-colour approximation. We work to all orders in QCD perturbation theory using a new parton branching algorithm. This amplitude evolution algorithm resembles a parton shower that is able to systematically include colour-suppressed terms. We find that colour suppressed terms can significantly contribute to jet veto cross sections.

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Cited by 3 Pith papers

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

  1. An $N$-independent tensor decomposition for SU($N$)

    hep-ph 2025-07 conditional novelty 7.0 of 10

    A new column-based Littlewood-Richardson algorithm decomposes products of SU(N) representations labeled by Young diagram pairs, valid simultaneously for all N.

  2. 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.

  3. All-gluon amplitudes with off-shell recursion in multiplet bases

    hep-ph 2025-07 conditional novelty 6.0 of 10

    A new off-shell recursion in orthogonal multiplet bases computes all-gluon tree-level color-summed squared amplitudes with estimated O(17^n) complexity, beating the factorial scaling of trace and color-flow bases.

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