{"paper":{"title":"Excited $K$ meson, $K_c(4180)$, with hidden charm as a $D\\bar{D}K$ bound state","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-lat"],"primary_cat":"hep-ph","authors_text":"Li-Sheng Geng, Ming-Zhu Liu, Tian-Wei Wu","submitted_at":"2020-12-02T12:38:25Z","abstract_excerpt":"Motivated by the recent discovery of two new states in the $B^+\\rightarrow D^+D^-K^+$ decay by the LHCb Collaboration, we study the $D\\bar{D}K$ three-body system by solving the Schr\\\"odinger equation with the Gaussian Expansion Method. We show that the $D\\bar{D}K$ system can bind with quantum numbers $I(J^P)=\\frac{1}{2}(0^-)$ and a binding energy of $B_3(D\\bar{D}K)=48.9^{+1.4}_{-2.4}$ MeV. It can decay into $J/\\psi K$ and $D_s\\bar{D}^*$ via triangle diagrams, yielding a partial decay width of about 1 MeV. As a result, if discovered, it will serve as a highly nontrivial check on the nature of t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.01134","kind":"arxiv","version":1},"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/2012.01134/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"}