{"paper":{"title":"Improved Measurements of $\\bar{B}^0 \\to D^0 \\bar{K}^0$ and $\\bar{B}^0 \\to D^0 \\bar{K}^{*0}$ Branching Fractions","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al. (for the Belle Collaboration), K. Abe","submitted_at":"2004-08-23T07:39:52Z","abstract_excerpt":"We report on an improved study of $\\bar{B}^0 \\to D^{(*)0} \\bar{K}^{(*)0}$ decays, based on $274 \\times 10^6$ $B{\\bar B}$ events collected with the Belle detector at KEKB. The following branching fractions have been measured: ${\\cal B}(\\bar{B}^0 \\to D^0 \\bar{K}^0) = (3.72 \\pm 0.65 \\pm 0.37) \\times 10^{-5}$ and ${\\cal B}(\\bar{B}^0 \\to D^0 \\bar{K}^{*0}) = (3.08 \\pm 0.56 \\pm 0.31) \\times 10^{-5}$. We also obtain evidence with $3.2\\sigma$ significance for $\\bar{B}^0 \\to D^{*0} \\bar{K}^0$ with ${\\cal B}(\\bar{B}^0 \\to D^{*0} \\bar{K}^0) = (3.2^{+1.2}_{-1.1} \\pm 0.4) \\times 10^{-5}$. No significant sig"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0408108","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/0408108/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"}