{"paper":{"title":"Measurement of the Forward-Backward Asymmetry in the B -> K(*) mu+ mu- Decay and First Observation of the Bs -> phi mu+ mu- Decay","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"CDF Collaboration, et al, T. Aaltonen","submitted_at":"2011-01-05T17:04:18Z","abstract_excerpt":"We reconstruct the rare decays $B^+ \\to K^+\\mu^+\\mu^-$, $B^0 \\to K^{*}(892)^0\\mu^+\\mu^-$, and $B^0_s \\to \\phi(1020)\\mu^+\\mu^-$ in a data sample corresponding to $4.4 {\\rm fb^{-1}}$ collected in $p\\bar{p}$ collisions at $\\sqrt{s}=1.96 {\\rm TeV}$ by the CDF II detector at the Fermilab Tevatron Collider. Using $121 \\pm 16$ $B^+ \\to K^+\\mu^+\\mu^-$ and $101 \\pm 12$ $B^0 \\to K^{*0}\\mu^+\\mu^-$ decays we report the branching ratios. In addition, we report the measurement of the differential branching ratio and the muon forward-backward asymmetry in the $B^+$ and $B^0$ decay modes, and the $K^{*0}$ lon"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.1028","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"}