{"paper":{"title":"Measurement of relative branching fractions of B decays to $\\psi(2S)$ and $J/\\psi$ mesons","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"LHCb Collaboration","submitted_at":"2012-05-04T11:07:44Z","abstract_excerpt":"The relative rates of B-meson decays into $J/\\psi$ and $\\psi(2S)$ mesons are measured for the three decay modes in pp collisions recorded with the LHCb detector. The ratios of branching fractions ($\\mathcal{B}$) are measured to be \n$\\frac{\\mathcal{B}(B^+ \\to \\psi(2S) K^+)}{\\mathcal{B}(B^+ \\to J/\\psi K^+)} = 0.594 \\pm 0.006 (stat) \\pm 0.016 (syst) \\pm 0.015 (R_{\\psi})$,\n$\\frac{\\mathcal{B}(B^0 \\to \\psi(2S) K^{*0})}{\\mathcal{B}(B^0 \\to J/\\psi K^{*0})} = 0.476 \\pm 0.014 (stat) \\pm 0.010 (syst) \\pm 0.012\\,(R_{\\psi})$,\n$\\frac{\\mathcal{B}^{0}_{s}(B^0_s \\to \\psi(2S)\\phi)}{\\mathcal{B}(B^0_s \\to J/\\psi\\"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.0918","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":""},"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"}