{"paper":{"title":"Observation of $K^*(892)^0\\bar K^*(892)^0$ in $\\chi_{cJ}$ Decays","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"BES Collaboration: M. Ablikim, et al","submitted_at":"2004-08-06T00:12:52Z","abstract_excerpt":"$K^*(892)^0\\bar K^*(892)^0$ signals from $\\chi_{cJ} (J=0,1,2)$ decays are observed for the first time using a data sample of 14 million $\\psi(2S)$ events accumulated at the BES II detector. The branching fractions ${\\cal B}(\\chi_{cJ}\\to K^*(892)^0\\bar K^*(892)^0)$ $(J = 0,1,2)$ are determined to be $(1.55 \\pm 0.35 \\pm 0.30)\\times 10^{-3}$, $(1.58 \\pm 0.32 \\pm 0.29)\\times 10^{-3}$, and $(4.67 \\pm 0.55 \\pm 0.85)\\times 10^{-3}$ for the $\\chi_{c0}$, $\\chi_{c1}$ and $\\chi_{c2}$ decays, respectively, where the first errors are statistical and the second are systematic. The significances of these sig"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0408012","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/hep-ex/0408012/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"}