{"paper":{"title":"Neutral B Flavor Tagging for the Measurement of Mixing-induced CP Violation at Belle","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"B.C.K.Casey, C.-C.Wang, H.Hamasaki, H.Kakuno, J.Suzuki, K.-F.Chen, K.Hara, K.Sumisawa, K.Ueno, M.Hazumi, N.Katayama, T.Iijima, T.Okabe, T.Tomura, Y.Sakai, Y.Watanabe","submitted_at":"2004-03-13T07:25:54Z","abstract_excerpt":"We describe a flavor tagging algorithm used in measurements of the CP violation parameter sin2phi_1 at the Belle experiment. Efficiencies and wrong tag fractions are evaluated using flavor-specific B meson decays into hadronic and semileptonic modes. We achieve a total effective efficiency of $ 28.8 +- 0.6 %."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0403022","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"}