{"paper":{"title":"Semileptonic $B_{(s)}\\to a_1(K_1)\\ell^+ \\ell^-$ decays via the light-cone sum rules with $B$-meson distribution amplitudes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"R. Khosravi, S. Momeni","submitted_at":"2018-04-13T09:03:09Z","abstract_excerpt":"The form factors of semileptonic $B_{(s)}\\to a_{1}(K_1)\\, \\ell^{+}\\ell^{-}$, $ \\ell=\\tau,\\mu,e$ transitions are investigated in the framework of the light-cone sum rules with $B$-meson distribution amplitudes, which play an important role in exclusive $B$ decays. The $B$-meson distribution amplitudes, $\\varphi_{\\pm}(\\omega)$ are a model-dependent form, so we consider four different parameterizations which can provide a reasonable description of $\\varphi_{\\pm}(\\omega)$ from QCD corrections. The branching fractions of these transitions are calculated. For a better analysis, a comparison of our r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.04844","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"}