{"paper":{"title":"Production of $1^{-+}$ exotic charmonium-like states in electron-positron collisions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Feng-Kun Guo, Pan-Pan Shi, Xiao-Yu Zhang","submitted_at":"2025-03-08T16:11:56Z","abstract_excerpt":"The absence of observed charmonium-like states with the exotic quantum numbers $J^{PC}=1^{-+}$ has prompted us to investigate the production rates of the $1^{-+}$ $D\\bar D_1(2420)$ and $D^*\\bar D_1(2420)$ hadronic molecules, which we refer to as $\\eta_{c1}$ and $\\eta_{c1}^{\\prime}$, respectively, in electron-positron collisions. Assuming a hadronic molecular nature for the vector charmonium-like states $\\psi(4360)$ and $\\psi(4415)$, we evaluate the radiative decay widths of $\\psi(4360)\\to\\gamma\\eta_{c1}$ and $\\psi(4415)\\to\\gamma\\eta_{c1}^{\\prime}$. Using these decay widths, we estimate the cro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.06259","kind":"arxiv","version":3},"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/2503.06259/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"}