{"paper":{"title":"The annihilation decays $B^-_c \\to \\eta^{'}(\\eta ,\\pi^0) l^- \\bar{\\nu}$","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Han Liang, Jiang Yi, Li Gang, Li Xue-Qian, Ma Wen-Gan, Zhang Ren-You","submitted_at":"2006-05-03T20:18:36Z","abstract_excerpt":"We investigate the simileptonic OZI-forbidden annihilation decays $B^-_c \\to \\eta^{'}(\\eta ,\\pi^0) l^- \\bar{\\nu}$ for $l=\\mu,e$ in the perturbative QCD, and carry out a precise calculation without any approximation for the one-loop contributions, which involves integrals of 4- and 5-point loop functions. Our results show that the branching ratios of decays $B^-_c \\to \\eta^{'} l^- \\bar{\\nu}$, $B^-_c \\to \\eta l^- \\bar{\\nu}$ and $B^-_c \\to \\pi^0 l^- \\bar{\\nu}$, turn out to be of orders $10^{-4}$, $10^{-5}$ and $10^{-6}$, respectively, which could be observable in the future experiments at the LHC"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0605037","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/hep-ph/0605037/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"}