{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:2354VMPHM5KJIR3PH6GEL77EKU","short_pith_number":"pith:2354VMPH","schema_version":"1.0","canonical_sha256":"d6fbcab1e7675494476f3f8c45ffe4552fa13769ab1a26ae471e2cae33db5480","source":{"kind":"arxiv","id":"hep-ex/0408132","version":2},"attestation_state":"computed","paper":{"title":"Search for B^+ -> mu^+ nu and B^+ -> l^+ nu gamma decays","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al. (for the Belle Collaboration), K. Abe","submitted_at":"2004-08-26T06:01:41Z","abstract_excerpt":"We have searched for the leptonic and radiative leptonic B decays, B^+ -> mu^+ nu, B^+ -> e^+ nu gamma and B^+ -> mu^+ nu gamma. Using a 140 fb^{-1} data sample collected with the Belle detector at the KEKB asymmetric e^+ e^- collider, we find no evidence for signals in any mode and set the following preliminary upper limits at 90% confidence level:\n  BR(B^+ -> mu^+ nu) < 2.0 * 10^-6,\n  BR(B^+ -> e^+ nu gamma) < 2.2 * 10^-5, and BR(B^+ -> mu^+ nu gamma) < 2.3 * 10^-5."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"hep-ex/0408132","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2004-08-26T06:01:41Z","cross_cats_sorted":[],"title_canon_sha256":"974674945e90f589386f68ea26431e96c1147e6c7405f1653b30d8f4777b2d21","abstract_canon_sha256":"b1ccafe0670c0fa8346123b82426c3af6a810c7314b1b3f47dcd02b7bd36667d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:54:20.215535Z","signature_b64":"Y1Jv7FovmdjhfFfSHSLHaLxG5yqlHqm46uqJYcC315WMdi+LzGtZlUCAw95qLTdMLjoZNAH0sEsmXompNM4wCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6fbcab1e7675494476f3f8c45ffe4552fa13769ab1a26ae471e2cae33db5480","last_reissued_at":"2026-07-04T23:54:20.215124Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:54:20.215124Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Search for B^+ -> mu^+ nu and B^+ -> l^+ nu gamma decays","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al. (for the Belle Collaboration), K. Abe","submitted_at":"2004-08-26T06:01:41Z","abstract_excerpt":"We have searched for the leptonic and radiative leptonic B decays, B^+ -> mu^+ nu, B^+ -> e^+ nu gamma and B^+ -> mu^+ nu gamma. Using a 140 fb^{-1} data sample collected with the Belle detector at the KEKB asymmetric e^+ e^- collider, we find no evidence for signals in any mode and set the following preliminary upper limits at 90% confidence level:\n  BR(B^+ -> mu^+ nu) < 2.0 * 10^-6,\n  BR(B^+ -> e^+ nu gamma) < 2.2 * 10^-5, and BR(B^+ -> mu^+ nu gamma) < 2.3 * 10^-5."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0408132","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/0408132/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0408132","created_at":"2026-07-04T23:54:20.215178+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0408132v2","created_at":"2026-07-04T23:54:20.215178+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0408132","created_at":"2026-07-04T23:54:20.215178+00:00"},{"alias_kind":"pith_short_12","alias_value":"2354VMPHM5KJ","created_at":"2026-07-04T23:54:20.215178+00:00"},{"alias_kind":"pith_short_16","alias_value":"2354VMPHM5KJIR3P","created_at":"2026-07-04T23:54:20.215178+00:00"},{"alias_kind":"pith_short_8","alias_value":"2354VMPH","created_at":"2026-07-04T23:54:20.215178+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/2354VMPHM5KJIR3PH6GEL77EKU","json":"https://pith.science/pith/2354VMPHM5KJIR3PH6GEL77EKU.json","graph_json":"https://pith.science/api/pith-number/2354VMPHM5KJIR3PH6GEL77EKU/graph.json","events_json":"https://pith.science/api/pith-number/2354VMPHM5KJIR3PH6GEL77EKU/events.json","paper":"https://pith.science/paper/2354VMPH"},"agent_actions":{"view_html":"https://pith.science/pith/2354VMPHM5KJIR3PH6GEL77EKU","download_json":"https://pith.science/pith/2354VMPHM5KJIR3PH6GEL77EKU.json","view_paper":"https://pith.science/paper/2354VMPH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ex/0408132&json=true","fetch_graph":"https://pith.science/api/pith-number/2354VMPHM5KJIR3PH6GEL77EKU/graph.json","fetch_events":"https://pith.science/api/pith-number/2354VMPHM5KJIR3PH6GEL77EKU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2354VMPHM5KJIR3PH6GEL77EKU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2354VMPHM5KJIR3PH6GEL77EKU/action/storage_attestation","attest_author":"https://pith.science/pith/2354VMPHM5KJIR3PH6GEL77EKU/action/author_attestation","sign_citation":"https://pith.science/pith/2354VMPHM5KJIR3PH6GEL77EKU/action/citation_signature","submit_replication":"https://pith.science/pith/2354VMPHM5KJIR3PH6GEL77EKU/action/replication_record"}},"created_at":"2026-07-04T23:54:20.215178+00:00","updated_at":"2026-07-04T23:54:20.215178+00:00"}