{"paper":{"title":"Quasi-two-body decays $B_{(s)} \\to P D_0^*(2400) \\to P D \\pi$ in the perturbative QCD approach","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Bo-Yan Cui, Fu-Hu Liu, Wen-Fei Wang, Ying-Ying Fan","submitted_at":"2019-06-22T04:29:47Z","abstract_excerpt":"We study the quasi-two-body decays $B\\to P D^{\\ast}_0(2400) \\to P D\\pi $ with $P=(\\pi, K, \\eta, \\eta^{\\prime})$ in the perturbative QCD factorization approach. The predicted branching fractions for the considered decays are in the range of $10^{-9}$-$10^{-4}$. The strong Cabibbo-Kobayashi-Maskawa (CKM) suppression factor $R_{CKM}\\approx \\lambda^4 (\\bar{\\rho}^2 + \\bar{\\eta}^2) \\approx 3\\times 10^{-4}$ results in the great difference of the branching ratios for the decays with $D_0^*$ and $\\bar{D}_0^*$ as the intermediate states. The ratio $R_{\\bar{D}_0^{*0}}$ between the decays $B^0 \\to \\bar{D}"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.09387","kind":"arxiv","version":2},"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"}