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PHEGAS: a phase-space generator for automatic cross-section computation

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arxiv hep-ph/0007335 v1 pith:H4NMPUTV submitted 2000-07-28 hep-ph

classification hep-ph
keywords algorithmamplitudeautomaticcomputationcross-sectiongenerationphase-spacephegas
verification ladder T0 review T1 audit T2 compute T3 formal
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A phase-space generation algorithm, capable to efficiently integrate the squared amplitude of any scattering process, is presented. The algorithm has been implemented in a Monte Carlo program, PHEGAS, which, using HELAC, a helicity amplitude computational package,can be used for automatic cross-section computation and event generation. Results for several scattering processes with four, five and six particles in the final state are briefly presented.

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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. Automated NRQCD and NRQED simulations of quarkonium and leptonium production with P-wave states and physical-mass effects

    hep-ph 2026-07 conditional novelty 6.0 of 10

    MadSONS extends MadGraph to automated LO NRQCD/NRQED event generation for arbitrary S- and P-wave bound states, with dual-number projectors and physical-mass reshuffling.

  2. 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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