{"paper":{"title":"The $X(2239)$ and $\\eta(2225)$ as hidden-strange molecular states from $\\Lambda\\bar{\\Lambda}$ interaction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Dian-Yong Chen, Jun He, Jun-Tao Zhu, Longyu Jiang, Yi Liu","submitted_at":"2019-11-09T15:01:10Z","abstract_excerpt":"In this work, we propose a possible assignment of the newly observed $X(2239)$, as well as the $\\eta(2225)$, as a molecular state from the interaction of a baryon $\\Lambda$ and an antibaryon $\\bar{\\Lambda}$. With the help of effective Lagrangians, the $\\Lambda\\bar{\\Lambda}$ interaction is described within the one-boson-exchange model with $\\eta$, $\\eta'$, $\\omega$, $\\phi$, and $\\sigma$ exchanges considered. After inserting the potential kernel into the quasipotential Bethe-Salpeter equation, the bound states from the $\\Lambda\\bar{\\Lambda}$ interaction can be studied by searching for the pole o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.03706","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/1911.03706/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"}