{
  "abstract": "We study the $J/ψ\\to Λπ\\barΣ$ reaction by looking at the $π^+ Λ$ mass distribution at low energies, in search of signals for the low lying $Σ^+$ excited states. Apart from a clear signal of the $Σ(1385) (3/2^+)$ state, we find a smaller peak for the predicted $Σ(1430) (1/2^-)$, which has already been confirmed by the Belle Collaboration. A first analysis, considering only the $πΛ$ interaction, shows that the low energy part of the spectrum is better reproduced including contributions from the $Σ(1430)$ and the predicted $Σ(1380)(1/2^-)$ state that has been claimed before from analyses of different experiments. However, when we consider the $π\\barΣ$ interaction the need for the $Σ(1380)$ disappears.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": "Journal reference: Eur.Phys.J.C 86:1235 (2026)",
  "arxiv": "2607.02485",
  "author_total": 4,
  "authors": [
    {
      "name": "Wen-Tao Lyu"
    },
    {
      "name": "Eulogio Oset"
    },
    {
      "name": "De-Min Li"
    },
    {
      "name": "En Wang"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/5rfw8h4zgjkwx.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2607.02485",
  "fulltext_url": null,
  "id": "5rfw8h4zgjkwx",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2607.02485",
  "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-ph"
    ],
    [
      "openalex",
      "3106|Quantum Chromodynamics and Particle Interactions"
    ]
  ],
  "openalex": "W7167206918",
  "pdf_url": "https://arxiv.org/pdf/2607.02485",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-28",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/5rfw8h4zgjkwx.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:36:22Z",
      "native_id": "2607.02485",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2607.02485"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:hep-ph",
      "subfield": "high-energy"
    }
  ],
  "title": "Identifying $Σ(1380)$ and $Σ(1430)$ in the $J/ψ\\to Λπ\\barΣ$ reaction",
  "title_text": "Identifying Σ(1380) and Σ(1430) in the J/ψ→ ΛπΣ̅ reaction",
  "type": "preprint",
  "updated_at": "2026-11-01T12:20:44Z",
  "url": "https://research.draconitic.com/paper/5rfw8h4zgjkwx",
  "venue": "arXiv",
  "versions": [
    {
      "doi": "10.1140/epjc/s10052-026-16496-0",
      "pid": "eqgczwmbz1s6g",
      "relation": "published-as",
      "title": "Identifying $$\\Sigma (1380)$$ and $$\\Sigma (1430)$$ in the $$J/\\psi \\rightarrow \\Lambda \\pi \\bar{\\Sigma }$$ reaction",
      "venue": "The European Physical Journal C"
    }
  ]
}