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Perturbative benchmark models for a dark shower search program

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arxiv 2103.01238 v2 pith:IR7KBQQI submitted 2021-03-01 hep-ph

classification hep-ph
keywords benchmarkdarkmodelsperturbativeshowerassumingboundbranching
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We provide five benchmark hidden valley models with perturbative parton showers, which span a wide range of dark shower phenomenology. We consider production through an $s$-channel, heavy mediator, which can be identified with the SM Higgs. By assuming a set of well-motivated decay portals, one can moreover fix both the branching ratios of the dark mesons and set a lower bound on their lifetime. We provide a public python tool which can be used to generate self-consistent PYTHIA 8 cards for our benchmark models.

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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. Search for resonant production of lepton-enriched semivisible jets in proton-proton collisions at $\sqrt{s}$ = 13 TeV

    hep-ex 2026-08 conditional novelty 7.0 of 10

    A CMS search with 138 fb^-1 of 13 TeV data finds no lepton-enriched semivisible jet resonance and excludes Z' masses up to 4.7 TeV (SVJ l) and 1.8-3.5 TeV (SVJ tau) at 95% CL.

  2. Long-Lived Dark Hadrons at the Electron-Ion Collider

    hep-ph 2026-07 conditional novelty 6.0 of 10

    A benchmark dark-QCD model with long-lived dark pions mixing into an axion-like state could let the EIC probe electron-portal couplings and dark pion masses beyond the reach of B-factories.

  3. Sub-GeV dark matter and multi-decay signatures from dark showers at beam-dump experiments

    hep-ph 2025-10 conditional novelty 6.0 of 10

    SHiP could observe multiple displaced vertices per event from dark rho mesons in dark showers, probing dark rho masses up to ~2 GeV and discriminating the model from dark photons.

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