{
  "abstract": "In view of the recent experimental finding of the heavy quark flavor partner of the $D_{s0}(2317)$ in the bottom sector, the $B_{s0}(5700)$, we perform the $B^{(*)}\\bar{K}^{(*)}$ coupled-channel calculation in the hidden-gauge formalism. By fixing the mass of the bound state generated by the $B\\bar{K}$ interaction with $J^P=0^+$ to the observed state, we also predict five new states with $J^P=\\lbrace 0,1,2\\rbrace^+$ in this sector. In particular, three of them have $J^P=1^+$ and masses $5740$, $6005$ and $6065$ MeV, respectively. In addition, we evaluate the decay width of the $B_{s0}$ and $B_{s1}$ states through the isospin breaking decay mode $B_s^0π^0$ and $B_s^{*0}π^0$, respectively. We find that, because these states have large binding energies with respect to the $B^{(*)}\\bar{K}$ threshold, the coupling to the bare component can reduce this decay width by more than half of the decay width, from $50$ keV in the purely molecular model to $10-20$ keV, when the $B_{s0}$ is coupled to the bare component. We also observe that, after considering heavy-quark-spin violating contributions, the decay width for the $B_{s1}$ becomes smaller than for the $B_{s0}$.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2610.07171",
  "author_total": 3,
  "authors": [
    {
      "name": "J. Sánchez-Illana"
    },
    {
      "name": "R. Molina"
    },
    {
      "name": "Pan-Pan Shi"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/67mrc724q7hjt.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2610.07171",
  "fulltext_url": null,
  "id": "67mrc724q7hjt",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2610.07171",
  "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"
    ],
    [
      "arxiv",
      "hep-lat"
    ],
    [
      "arxiv",
      "hep-ph"
    ],
    [
      "openalex",
      "3106|Quantum Chromodynamics and Particle Interactions"
    ]
  ],
  "openalex": "W7221059772",
  "pdf_url": "https://arxiv.org/pdf/2610.07171",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-05",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/67mrc724q7hjt.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:27:22Z",
      "native_id": "2610.07171",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2610.07171"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:hep-ex",
      "subfield": "high-energy"
    }
  ],
  "title": "Compositeness and decay properties of the flavor partner of $D^{*}_{s0}(2317)$",
  "title_text": "Compositeness and decay properties of the flavor partner of D^*_s0(2317)",
  "type": "preprint",
  "updated_at": "2026-10-30T12:27:22Z",
  "url": "https://research.draconitic.com/paper/67mrc724q7hjt",
  "venue": "arXiv",
  "versions": []
}