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Vegas Revisited: Adaptive Monte Carlo Integration Beyond Factorization

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arxiv hep-ph/9806432 v1 pith:5IQPOLXJ submitted 1998-06-22 hep-ph physics.comp-ph

Thorsten Ohl (TU Darmstadt) This is my paper · ORCID
classification hep-phphysics.comp-ph
keywords vegasadaptivealgorithmcarlointegrationmonteappearingbetter
verification ladder T0 review T1 audit T2 compute T3 formal

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We present a new adaptive Monte Carlo integration algorithm for ill-behaved integrands with non-factorizable singularities. The algorithm combines Vegas with multi channel sampling and performs significantly better than Vegas for a large class of integrals appearing in physics.

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Forward citations

Cited by 5 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 146 citations worldwide. Full citation record

  1. Efficient many-jet event generation with Flow Matching

    hep-ph 2025-06 conditional novelty 6.0 of 10

    A Continuous Normalizing Flow trained with Flow Matching improves unweighting efficiency in high-multiplicity Drell-Yan and top-pair event generation by factors of 150 and 17 over Vegas.

  2. Double Higgs Production in Vector Boson Fusion at NLO QCD in HEFT

    hep-ph 2025-02 conditional novelty 6.0 of 10

    Full NLO QCD predictions for pp -> hhjj production in VBF with HEFT couplings cλ, cV, c2V, including non-factorising and Higgs-strahlung diagrams, show that some allowed coupling combinations reshape key observables.

  3. High-energy neutrino event simulation at NLO in Genie for KM3NeT and other observatories

    hep-ex 2019-08 conditional novelty 6.0 of 10

    HEDIS, a GENIE extension, implements NLO neutrino-nucleon cross sections with PYTHIA6 hadronization, extending neutrino-telescope event simulation to EeV energies.

  4. New developments in the Whizard event generator

    hep-ph 2024-12 unverdicted novelty 4.0 of 10

    Whizard's recent and planned developments are summarized: NLO EW automation, loop-induced processes, UFO2 support, GPU integration, and future EW PDFs, with several items still in progress.

  5. The Monte Carlo Ecosystem in High-Energy Physics: A Primer

    hep-ph 2026-05 unverdicted novelty 1.0 of 10

    A primer that surveys the architecture, methodologies, computational challenges, and future trajectory of the Monte Carlo event generator ecosystem in collider physics.

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