{"paper":{"title":"The semileptonic decays $B/B_s \\to (\\pi, K)(l^+l^-,l\\nu,\\nu\\bar{\\nu})$ in the perturbative QCD approach beyond the leading-order","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Wen-Fei Wang, Zhen-jun Xiao","submitted_at":"2012-07-02T01:42:07Z","abstract_excerpt":"In this paper we first calculate the form factors of $B \\to (\\pi,K)$ and $B_s \\to K $ transitions by employing the perturbative QCD (pQCD) factorization approach with the inclusion of the next-to-leading-order(NLO) corrections, and then we calculate the branching ratios of the corresponding semileptonic decays $B/B_s \\to (\\pi, K)(l^+l^-,l\\nu,\\nu\\bar{\\nu})$ (here $l$ denotes $e, \\mu$ and $\\tau$). Based on the numerical calculations and phenomenological analysis, we found the following results: (a) For $B \\to (\\pi, K)$ and $B_s \\to K$ transition form factors $F_{0,+,\\rmt}(q^2)$, the NLO pQCD pre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.0265","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"}