{"paper":{"title":"Hidden-charm pentaquarks as a meson-baryon molecule with coupled channels for $\\bar{D}^{(\\ast)}\\Lambda_{\\rm c}$ and $\\bar{D}^{(\\ast)}\\Sigma^{(\\ast)}_{\\rm c}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"Elena Santopinto, Yasuhiro Yamaguchi","submitted_at":"2016-06-27T15:51:26Z","abstract_excerpt":"The recent observation of two hidden-charm pentaquark states by LHCb collaborations prompted us to investigate the exotic states close to the $\\bar{D}\\Lambda_{\\rm c}$, $\\bar{D}^{\\ast}\\Lambda_{\\rm c}$, $\\bar{D}\\Sigma_{\\rm c}$, $\\bar{D}\\Sigma^{\\ast}_{\\rm c}$, $\\bar{D}^{\\ast}\\Sigma_{\\rm c}$ and $\\bar{D}^{\\ast}\\Sigma^{\\ast}_{\\rm c}$ thresholds. We therefore studied the hadronic molecules that form the coupled-channel system of $\\bar{D}^{(\\ast)}\\Lambda_{\\rm c}$ and\n  $\\bar{D}^{(\\ast)}\\Sigma^{(\\ast)}_{\\rm c}$. As the heavy quark spin symmetry manifests the mass degenerations of $\\bar{D}$ and $\\bar{D"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.08330","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}