{"paper":{"title":"Observation of $e^+e^-\\to \\chi_{c0}\\omega$ and missing higher charmonium $\\psi(4S)$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Dian-Yong Chen, Takayuki Matsuki, Xiang Liu","submitted_at":"2014-11-19T07:51:46Z","abstract_excerpt":"Stimulated by the recent BESIII observation of a new resonance in $e^+ e^- \\to \\omega \\chi_{c0}$ and by the fact that this state is consistent with our predicted $\\psi(4S)$, in this work we estimate the meson loop contribution to $\\psi(4S) \\to \\omega \\chi_{c0}$. The evaluation indicates that our theoretical estimate can overlap with the experimental data in a reasonable parameter range. This fact shows that introduction of the missing higher charmonium $\\psi(4S)$ provides a possible explanation to the recent BESIII observation. The upper limit of a branching ratio of $\\psi(4S) \\to \\eta J/\\psi$"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.5136","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"}