{
  "abstract": "Measurements of Higgs boson production in the off-shell region are presented, using the four-lepton decay channel. Data from proton-proton collisions at the CERN LHC, collected by the CMS experiment and corresponding to an integrated luminosity of 138 fb$^{-1}$ at a center-of-mass energy of 13 TeV, are utilized. The first direct test of composite Higgs boson models is performed, with a lower limit on the compositeness scale $Λ_\\mathrm{H}$ set at 870 GeV at the 95% confidence level. Tests of gluon-fusion production within the standard model effective field theory framework are performed. The first constraint on the Higgs boson self-coupling in the off-shell region is obtained. By combining on- and off-shell measurements, the analysis sets the tightest constraints to date on light-quark Yukawa couplings, while relaxing assumptions such as the bound on the Higgs boson coupling to vector bosons, thereby providing more model-independent results. Constraints on the Higgs boson width are provided while accounting for a range of beyond-the-standard-model effects, including both light and heavy particles in the gluon-fusion production loop, as well as modified couplings to vector bosons. A combined analysis of the H$\\to$ZZ and PH$\\to$WW channels is performed to improve sensitivity to the Higgs boson width, yielding $Γ_\\mathrm{H}$ = 5.1$^{+2.0}_{-1.8}$ MeV. The scenario of no off-shell Higgs boson production is excluded at a confidence level exceeding 5 standard deviations.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2607.23352",
  "author_total": 1,
  "authors": [
    {
      "name": "CMS Collaboration"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/da2fhhfg7x9tm.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2607.23352",
  "fulltext_url": null,
  "id": "da2fhhfg7x9tm",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2607.23352",
  "language": null,
  "licence": "CC-BY-4.0",
  "licence_label": "CC BY 4.0",
  "licence_source": "article",
  "licence_url": "http://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "hep-ex"
    ],
    [
      "openalex",
      "3106|Particle physics theoretical and experimental studies"
    ]
  ],
  "openalex": "W7171536035",
  "pdf_url": "https://arxiv.org/pdf/2607.23352",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-05",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/da2fhhfg7x9tm.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:27:01Z",
      "native_id": "2607.23352",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2607.23352"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:hep-ex",
      "subfield": "high-energy"
    }
  ],
  "title": "Off-shell Higgs boson measurements: Yukawa couplings, self-coupling, compositeness, and width",
  "title_text": "Off-shell Higgs boson measurements: Yukawa couplings, self-coupling, compositeness, and width",
  "type": "preprint",
  "updated_at": "2026-10-30T12:27:01Z",
  "url": "https://research.draconitic.com/paper/da2fhhfg7x9tm",
  "venue": "arXiv",
  "versions": []
}