{"paper":{"title":"Probing new physics in class-I $B$-meson decays into heavy-light final states","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Fang-Min Cai, Wei-Jun Deng, Xin-Qiang Li, Ya-Dong Yang","submitted_at":"2021-03-06T15:23:09Z","abstract_excerpt":"With updated experimental data and improved theoretical calculations, several significant deviations are being observed between the Standard Model predictions and the experimental measurements of the branching ratios of $\\bar{B}_{(s)}^0\\to D_{(s)}^{(*)+} L^-$ decays, where $L$ is a light meson from the set $\\{\\pi,\\rho,K^{(\\ast)}\\}$. Especially for the two channels $\\bar{B}^0\\to D^{+}K^-$ and $\\bar{B}_{s}^0\\to D_{s}^{+}\\pi^-$, both of which are free of the weak annihilation contribution, the deviations observed can even reach 4-5$\\sigma$. Here we exploit possible new-physics effects in these cl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.04138","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/2103.04138/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"}