{"paper":{"title":"Probing anomalous right-handed top quark couplings in rare B decays","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Kang Young Lee (KIAS), Wan Young Song (KAIST)","submitted_at":"2002-04-26T08:56:09Z","abstract_excerpt":"We explore the anomalous right-handed $\\bar{t}sW$ and $\\bar{t}bW$ couplings using $ B \\to X_s \\gamma$ and $B \\to X_s l^+ l^-$ decays induced by the flavour-changing penguin diagrams. The anomalous $\\bar{t}sW$ coupling can yield 10% enhancement of the $B \\to X_s l^+ l^-$ decay rate under the constraint from the present $B \\to X_s \\gamma$ data, while it does not affect the forward-backward asymmetry of the charged lepton. The allowed region for anomalous $\\bar{t}bW$ coupling by the $ B \\to X_s \\gamma$ constraint is two-fold, the small value region and the large value region. Though the effect of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0204303","kind":"arxiv","version":4},"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"}