{"paper":{"title":"Search for Lepton and Baryon Number Violating tau^- Decays into \\bar{p}gamma, \\bar{p}pi^0, \\bar{Lambda}pi^-, and Lambda pi^-","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al. (for the Belle Collaboration), K. Abe","submitted_at":"2004-08-24T07:29:44Z","abstract_excerpt":"We have searched for decays that violate both lepton and baryon number using data collected by the Belle detector at the KEKB asymmetric e^+e^- collider. No signals are found in tau^- -> \\bar{p} gamma, tau^- -> \\bar{p} pi^0, tau^- -> \\bar{Lambda} pi^-, and tau^- -> Lambda pi^- and we set upper limits on the branching fractions of B(tau^- -> \\bar{p}gamma) < 3.0*10^{-7}, B(tau^- -> \\bar{p}pi^0) < 6.5*10^{-7}, B(tau^- -> \\bar{Lambda}pi^-) < 1.3*10^{-7}, and B(tau^- -> Lambda pi^-) < 0.70*10^{-7} at the 90% confidence level. The former two results improve the previous limits by a factor of 12 and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0408117","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ex/0408117/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"}