{"paper":{"title":"$P^\\Lambda_{\\psi s}(4459)$ and $P^\\Lambda_{\\psi s}(4338)$ as molecular states in $ J/\\psi \\Lambda$ invariant mass spectra","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Jun He, Jun-Tao Zhu, Shu-Yi Kong","submitted_at":"2022-11-11T14:27:26Z","abstract_excerpt":"Recently, the LHCb Collaboration has reported two strange hidden-charm pentaquark states named $P^\\Lambda_{\\psi s}(4459)$ and $P^\\Lambda_{\\psi s}(4338)$ in the $ J/\\psi \\Lambda$ invariant mass spectra of decays $\\Xi_b^-$$\\to$$ J/\\psi \\Lambda K^-$ and $B^-$$\\to$$J/\\psi \\Lambda \\bar{p}$,respectively. In this work, we perform a coupled-channel study of the interactions $\\Xi_c^*\\bar{D}^*$, $\\Xi'_c\\bar{D}^*$, $\\Xi^*_c\\bar{D}$, $\\Xi_c\\bar{D}^*$, $\\Xi'_c\\bar{D}$, $\\Lambda_c\\bar{D}_s^{*}$, $\\Xi_c\\bar{D}$, $\\Lambda_c\\bar{D}_s$, and $\\Lambda J/\\psi$ in the quasipotential Bethe-Salpeter equation approach"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.06232","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2211.06232/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"}