{"paper":{"title":"Observation of the $\\Upsilon(1^3D_J)$ Bottomonium State through Decays to $\\pi^+\\pi^-\\Upsilon(1S)$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-ex","authors_text":"et al, P. Del Amo Sanchez, The BABAR Collaboration","submitted_at":"2010-04-01T16:27:28Z","abstract_excerpt":"Based on $122\\times 10^6$ \\ThreeS events collected with the \\babar\\ detector, we have observed the \\OneDJ bottomonium state through the $\\ThreeS\\to\\g\\g\\OneDJ\\to\\g\\g\\pip\\pim\\OneS$ decay chain.The significance for the $J=2$ member of the \\OneDJ triplet is 5.8 standard deviations including systematic uncertainties.The mass of the $J=2$ state is determined to be $10164.5\\pm0.8\\,\\rm{(stat.)}\\pm0.5\\,\\rm{(syst.)}$~\\mevcc.We use the $\\pip\\pim$ invariant mass distribution to confirm the consistency of the observed state with the orbital angular momentum assignment of the \\OneDJ."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.0175","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"}