{"paper":{"title":"The Strong Decays of X(3940) and X(4160)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Guo-Li Wang, Libo Jiang, Tian-Hong Wang, Yi Zhang, Yue Jiang, Zhi-Hui Wang","submitted_at":"2016-08-18T08:01:04Z","abstract_excerpt":"The new mesons $X(3940)$ and $X(4160)$ have been found by Belle Collaboration in the processes $e^+e^-\\to J/\\psi D^{(*)}\\bar D^{(*)}$. Considering $X(3940)$ and $X(4160)$ as $\\eta_c(3S)$ and $\\eta_c(4S)$ states, the two-body open charm OZI-allowed strong decay of $\\eta_c(3S)$ and $\\eta_c(4S)$ are studied by the improved Bethe-Salpeter method combine with the $^3P_0$ model. The strong decay width of $\\eta_c(3S)$ is $\\Gamma_{\\eta_c(3S)}=(33.5^{+18.4}_{-15.3})$ MeV, which is closed to the result of $X(3940)$, therefore, $\\eta_c(3S)$ is a good candidate of $X(3940)$. The strong decay width of $\\et"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.05201","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"}