{
  "abstract": "Using $(2712.4\\pm14.3)\\times10^{6}$ $ψ(3686)$ events collected with the BESIII detector at the BEPCII collider, we report the first observations of the decay $χ_{cJ}(J=0,1,2) \\to Σ^0\\barΣ^0η$. The signal significances, after considering systematic uncertainties, are determined to be 7.2$σ$, 5.7$σ$, and 6.7$σ$ for $χ_0$, $χ_{c1}$, and $χ_{c2}$, respectively. The branching fractions are measured to be $\\mathcal B(χ_{c0}\\toΣ^0\\barΣ^0η)=({9.7 \\pm 1.7 \\pm 0.8}) \\times 10^{-5}$, $\\mathcal B(χ_{c1}\\toΣ^0\\barΣ^0η)=({4.9 \\pm 1.1 \\pm 0.4}) \\times 10^{-5}$, and $\\mathcal B(χ_{c2}\\toΣ^0\\barΣ^0η)=({6.1 \\pm 1.2 \\pm 0.3}) \\times 10^{-5}$, where the first uncertainties are statistical and the second systematic. No significant structure in the $Σ^0\\barΣ^0,Σ^0η,\\barΣ^0η$ mass distributions is observed under the current statistics.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2610.15332",
  "author_total": 1,
  "authors": [
    {
      "name": "BESIII Collaboration"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/08t98z6swfzb5.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2610.15332",
  "fulltext_url": null,
  "id": "08t98z6swfzb5",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2610.15332",
  "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|Quantum Chromodynamics and Particle Interactions"
    ]
  ],
  "openalex": "W7221768063",
  "pdf_url": "https://arxiv.org/pdf/2610.15332",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-11",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/08t98z6swfzb5.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:29:06Z",
      "native_id": "2610.15332",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2610.15332"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:hep-ex",
      "subfield": "high-energy"
    }
  ],
  "title": "Measurements of the branching fractions of \\boldmath $χ_{cJ}\\toΣ^0\\barΣ^0η$",
  "title_text": "Measurements of the branching fractions of \\boldmath χ_cJ→Σ^0Σ̅^0η",
  "type": "preprint",
  "updated_at": "2026-10-30T12:29:06Z",
  "url": "https://research.draconitic.com/paper/08t98z6swfzb5",
  "venue": "arXiv",
  "versions": []
}