{"paper":{"title":"Analysis of hadronic coupling constants $G_{B_c^*B_c\\Upsilon}$, $G_{B_c^*B_c J/\\psi}$, $G_{B_cB_c\\Upsilon}$ and $G_{B_cB_c J/\\psi}$ with QCD sum rules","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Zhi-Gang Wang","submitted_at":"2013-07-09T12:32:47Z","abstract_excerpt":"In this article, we study momentum dependence of the hadronic coupling constants $G_{B_c^* B_c \\Upsilon}$, $G_{B_c^* B_c J/\\psi}$, $G_{B_c B_c \\Upsilon}$ and $G_{B_c B_c J/\\psi}$ with the off-shell $\\Upsilon$ and $J/\\psi$ using the three-point QCD sum rules. Then we fit the hadronic coupling constants into analytical functions and extrapolate them into deep time-like regions to obtain the on-shell values\n  $ G_{B_c^*B_c\\Upsilon}(q^2=M_{\\Upsilon}^2)$, $ G_{B_c^*B_c J/\\psi}(q^2=M_{J/\\psi}^2)$, $ G_{B_cB_c\\Upsilon}(q^2=M_{\\Upsilon}^2)$ and $ G_{B_cB_c J/\\psi}(q^2=M_{J/\\psi}^2)$ for the first time"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.2422","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":""},"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"}