{
  "abstract": "This paper presents a measurement of the charge-parity ($C\\!P$) structure of the Yukawa coupling between the Higgs boson (H) and tau leptons, using proton-proton collision data at $\\sqrt{s}$ = 13.6 TeV recorded with the CMS detector at the LHC, corresponding to an integrated luminosity of 62.4 fb$^{-1}$. Angular correlations between the decay products of tau leptons produced in H $\\to$ $ττ$ decays are exploited to constrain the effective $C\\!P$ mixing angle $α^{\\mathrm{H}ττ}$, which parameterizes the admixture of scalar and pseudoscalar couplings. The mixing angle is measured to be $α^{\\mathrm{H}ττ}$ = (36 $^{+33}_{-30}$)$^\\circ$, compared with an expected value of (0 $\\pm$ 19)$^\\circ$ under the standard model hypothesis. When combined with the previous CMS measurement using data collected at $\\sqrt{s}$ = 13 TeV, corresponding to an integrated luminosity of 138 fb$^{-1}$, the mixing angle is determined to be (7 $\\pm$ 16)$^\\circ$, with an expected value of (0 $\\pm$ 14)$^\\circ$. This result represents the most precise measurement by CMS of the $C\\!P$ nature of the Higgs boson coupling to tau leptons, with an expected precision that is the best achieved by any experiment to date.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": "Journal reference: JHEP 10 (2026) 084",
  "arxiv": "2606.03510",
  "author_total": 1,
  "authors": [
    {
      "name": "CMS Collaboration"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/0aghxkf5r1r14.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2606.03510",
  "fulltext_url": null,
  "id": "0aghxkf5r1r14",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2606.03510",
  "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": "W7163417035",
  "pdf_url": "https://arxiv.org/pdf/2606.03510",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-15",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/0aghxkf5r1r14.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:30:32Z",
      "native_id": "2606.03510",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2606.03510"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:hep-ex",
      "subfield": "high-energy"
    }
  ],
  "title": "Analysis of the $C\\!P$ structure of the Yukawa coupling between the Higgs boson and tau leptons in proton-proton collisions at $\\sqrt{s}$ = 13.6 TeV",
  "title_text": "Analysis of the C P structure of the Yukawa coupling between the Higgs boson and tau leptons in proton-proton collisions at √s = 13.6 TeV",
  "type": "preprint",
  "updated_at": "2026-10-30T12:33:28Z",
  "url": "https://research.draconitic.com/paper/0aghxkf5r1r14",
  "venue": "arXiv",
  "versions": [
    {
      "doi": "10.1007/jhep10(2026)084",
      "pid": "bdkc2ewebp2rf",
      "relation": "published-as",
      "title": "Analysis of the CP structure of the Yukawa coupling between the Higgs boson and tau leptons in proton-proton collisions at $$ \\sqrt{s}=13.6 $$ TeV",
      "venue": "Journal of High Energy Physics"
    }
  ]
}