{"paper":{"title":"Extractions of $|V_{ub}|/|V_{cb}|$ from a combined study of the exclusive $b\\to u(c) \\ell\\nu_{\\ell}$ decays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-lat"],"primary_cat":"hep-ph","authors_text":"Aritra Biswas, Ipsita Ray, Soumitra Nandi","submitted_at":"2022-12-05T19:00:05Z","abstract_excerpt":"We have extracted the ratio $|V_{ub}|/|V_{cb}|$ from a combined study of the available inputs on $\\bar{B}\\to (\\pi,\\rho,\\omega)\\ell^- \\bar{\\nu}_{\\ell}$ and $\\bar{B}(\\bar{B}_s)\\to (D^{(\\ast)}, D_s^{(\\ast)})\\ell^- \\bar{\\nu}_{\\ell}$ ($\\ell = \\mu$ or $e$) decays. We have done our analysis with and without the inclusion of the available experimental results on the branching fraction $\\mathcal{BR}(\\bar{B}_s\\to K^+\\mu^-\\bar{\\nu}_{\\mu})$ or the ratio of the rates $\\Gamma(\\bar{B}_s\\to K^+ \\ell^-\\bar{\\nu}_{\\ell})/ \\Gamma(\\bar{B}_s \\to D_s^+ \\ell^- \\bar{\\nu}_{\\ell})$. We have used all the available experi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.02528","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2212.02528/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"}