{
  "abstract": "Global polarization of $Λ$, $Ξ$, and $Ω$ hyperons is measured in Au+Au collisions at $\\sqrt{s_{\\mathrm{NN}}}=7.7$, 9.2, 11.5, 14.6, 17.3, 19.6, and 27~GeV using high-statistics data from the second phase of the RHIC Beam Energy Scan. No significant difference between the $Λ$ and $\\barΛ$ polarizations is observed over the measured collision-energy range, providing improved constraints on magnetic-field-induced contributions. The $Λ$ polarization increases with the magnitude of rapidity, with the slope of the linear fit differing from zero by 4.8 standard deviations, providing the first evidence for a nonzero rapidity dependence of global polarization in this energy range. Global polarization of $Ξ^{-}+\\barΞ^{+}$ is observed for the first time at these energies at a significance exceeding 5 standard deviations, with a magnitude comparable to that of $Λ+\\barΛ$ and an increase toward lower collision energies. Measurements of $Ω^{-}+\\barΩ^{+}$ are compatible with a similar energy dependence and favor the decay parameter $γ_Ω= +1$ with high probability under the assumption of the global polarization picture. These measurements provide new constraints on the energy evolution, rapidity dependence, and species dependence of global polarization in heavy-ion collisions.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2611.03044",
  "author_total": 1,
  "authors": [
    {
      "name": "STAR Collaboration"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/a2xjbt1mqkmje.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2611.03044",
  "fulltext_url": null,
  "id": "a2xjbt1mqkmje",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2611.03044",
  "language": null,
  "licence": "CC-BY-NC-ND-4.0",
  "licence_label": "CC BY-NC-ND 4.0",
  "licence_source": "article",
  "licence_url": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "nucl-ex"
    ]
  ],
  "openalex": null,
  "pdf_url": "https://arxiv.org/pdf/2611.03044",
  "pmcid": null,
  "pmid": null,
  "published": "2026-11-02",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/a2xjbt1mqkmje.ris",
  "sources": [
    {
      "first_seen": "2026-11-03T12:20:59Z",
      "native_id": "2611.03044",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2611.03044"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:nucl-ex",
      "subfield": "nuclear"
    }
  ],
  "title": "Global polarization of $Λ$, $Ξ$, and $Ω$ hyperons in Au+Au collisions from the RHIC Beam Energy Scan-II",
  "title_text": "Global polarization of Λ, Ξ, and Ω hyperons in Au+Au collisions from the RHIC Beam Energy Scan-II",
  "type": "preprint",
  "updated_at": "2026-11-05T15:20:18Z",
  "url": "https://research.draconitic.com/paper/a2xjbt1mqkmje",
  "venue": "arXiv",
  "versions": []
}