{"paper":{"title":"Study of $\\chi_{cJ}$ radiative decays into a vector meson","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"BESIII Collaboration","submitted_at":"2011-03-29T08:26:15Z","abstract_excerpt":"The decays $\\chi_{cJ}\\to\\gamma V$ ($V=\\phi, \\rho^0, \\omega$) are studied with a sample of radiative $\\psip\\to\\gamma\\chi_{cJ}$ events in a sample of $(1.06\\pm0.04)\\times 10^{8} \\psip$ events collected with the BESIII detector. The branching fractions are determined to be: ${\\cal B}(\\chi_{c1}\\to \\gamma\\phi)=(25.8\\pm 5.2\\pm 2.3)\\times 10^{-6}$, ${\\cal B}(\\chi_{c1}\\to \\gamma\\rho^0)=(228\\pm 13\\pm 22)\\times 10^{-6}$, and ${\\cal B}(\\chi_{c1}\\to \\gamma\\omega)=(69.7\\pm 7.2\\pm 6.6)\\times 10^{-6}$. The decay $\\chi_{c1}\\to \\gamma\\phi$ is observed for the first time. Upper limits at the 90% confidence leve"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.5564","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"}