{"paper":{"title":"Measurement of masses and branching ratios of $\\Xi_c^+$ and $\\Xi_c^0$ baryons","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al. (for the Belle Collaboration), T.Lesiak","submitted_at":"2004-09-30T08:25:42Z","abstract_excerpt":"We report a measurement of the $\\Xi_c^+$ and $\\Xi_c^0$ baryon masses, and the branching ratios for various $\\Xi_c$ decays, using $140 \\mathrm{fb}^{-1}$ of data collected by the Belle experiment at the KEKB $e^+ e^-$ collider.The mass splitting $m_{\\Xi_c^0} - m_{\\Xi_c^+}$ is found to be $2.9\\pm 0.5 \\mathrm{MeV}/c^2$; this measurement is three times as precise as the current world average. We measure the branching ratios $\\Gamma (\\Xi_c^+\\to \\Lambda K\\pi\\pi)/\\Gamma (\\Xi_c^+\\to\\Xi\\pi\\pi) = 0.32\\pm 0.03 \\pm 0.02$ and $\\Gamma (\\Xi_c^0\\to p KK\\pi)/\\Gamma (\\Xi_c^0\\to\\Xi\\pi) = 0.33\\pm 0.03 \\pm 0.03$, w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0409065","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/0409065/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"}