{"paper":{"title":"Search for $B^0 \\to p \\bar{p}$, $\\Lambda \\bar{\\Lambda}$ and $B^+ \\to p \\bar{\\Lambda}$ at Belle","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al. (for the Belle Collaboration), M.-C. Chang","submitted_at":"2004-08-29T13:00:35Z","abstract_excerpt":"We report results of a search for the charmless two-body baryonic decays B^0 \\to p \\bar{p}, B^0 \\to \\Lambda \\bar{\\Lambda}, and B^+\\to p \\bar{\\Lambda} based on the analysis of a 140 fb^{-1} data sample. We set 90% confidence level upper limits on their branching fractions: B(B^0 \\to p \\bar{p}) < 4.1 x 10^{-7}, B(B^0 \\to \\Lambda \\bar{\\Lambda}) < 6.9 x 10^{-7}$, and B(B^+ \\to p \\bar{\\Lambda}) < 4.9 x 10^{-7}."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0408143","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ex/0408143/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"}