{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1997:JXKPRO2NMXBQD7OLFCE66OMHRM","short_pith_number":"pith:JXKPRO2N","schema_version":"1.0","canonical_sha256":"4dd4f8bb4d65c301fdcb2889ef39878b395db89efd4443776df7fa71cf88e643","source":{"kind":"arxiv","id":"hep-ph/9706245","version":1},"attestation_state":"computed","paper":{"title":"Beauty hadron lifetime ratios and the problem of $\\tau(\\Lambda_b)$","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"F. De Fazio","submitted_at":"1997-06-04T09:55:14Z","abstract_excerpt":"We describe a theoretical approach to compute inclusive widths of heavy hadrons, based on a systematic expansion in the inverse powers of the heavy quark mass. The method reproduces quite well the experimental ratios of $B$ mesons lifetimes. As for $\\tau(\\Lambda_b)/\\tau(B_d)$, we present a QCD sum rule calculation of the $O(m_b^{-3})$ contribution to $\\tau(\\Lambda_b)$; we conclude that such correction is not responsible of the small experimental value of $\\tau(\\Lambda_b)/\\tau(B_d)$."},"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-ph/9706245","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1997-06-04T09:55:14Z","cross_cats_sorted":[],"title_canon_sha256":"0b46705dabf4ade7363479b699b7bb4c111d7b3e349f898f2ef33dc8867ae051","abstract_canon_sha256":"5ec295c7596fb0627327ca4a999abcc0e550b29e00a7b14dc78667984e7bdfb5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:30:37.367461Z","signature_b64":"V+ILzz+XU1ovDLaNPQHAt6l1rP1lGav+n1NX2EB/dGfJ4J2lM9VsPYjInf2PRellYm6PSGCN9Qamk9XAYEZkDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4dd4f8bb4d65c301fdcb2889ef39878b395db89efd4443776df7fa71cf88e643","last_reissued_at":"2026-05-18T04:30:37.366769Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:30:37.366769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Beauty hadron lifetime ratios and the problem of $\\tau(\\Lambda_b)$","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"F. De Fazio","submitted_at":"1997-06-04T09:55:14Z","abstract_excerpt":"We describe a theoretical approach to compute inclusive widths of heavy hadrons, based on a systematic expansion in the inverse powers of the heavy quark mass. The method reproduces quite well the experimental ratios of $B$ mesons lifetimes. As for $\\tau(\\Lambda_b)/\\tau(B_d)$, we present a QCD sum rule calculation of the $O(m_b^{-3})$ contribution to $\\tau(\\Lambda_b)$; we conclude that such correction is not responsible of the small experimental value of $\\tau(\\Lambda_b)/\\tau(B_d)$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9706245","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9706245","created_at":"2026-05-18T04:30:37.366882+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9706245v1","created_at":"2026-05-18T04:30:37.366882+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9706245","created_at":"2026-05-18T04:30:37.366882+00:00"},{"alias_kind":"pith_short_12","alias_value":"JXKPRO2NMXBQ","created_at":"2026-05-18T12:25:48.327863+00:00"},{"alias_kind":"pith_short_16","alias_value":"JXKPRO2NMXBQD7OL","created_at":"2026-05-18T12:25:48.327863+00:00"},{"alias_kind":"pith_short_8","alias_value":"JXKPRO2N","created_at":"2026-05-18T12:25:48.327863+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/JXKPRO2NMXBQD7OLFCE66OMHRM","json":"https://pith.science/pith/JXKPRO2NMXBQD7OLFCE66OMHRM.json","graph_json":"https://pith.science/api/pith-number/JXKPRO2NMXBQD7OLFCE66OMHRM/graph.json","events_json":"https://pith.science/api/pith-number/JXKPRO2NMXBQD7OLFCE66OMHRM/events.json","paper":"https://pith.science/paper/JXKPRO2N"},"agent_actions":{"view_html":"https://pith.science/pith/JXKPRO2NMXBQD7OLFCE66OMHRM","download_json":"https://pith.science/pith/JXKPRO2NMXBQD7OLFCE66OMHRM.json","view_paper":"https://pith.science/paper/JXKPRO2N","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/9706245&json=true","fetch_graph":"https://pith.science/api/pith-number/JXKPRO2NMXBQD7OLFCE66OMHRM/graph.json","fetch_events":"https://pith.science/api/pith-number/JXKPRO2NMXBQD7OLFCE66OMHRM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JXKPRO2NMXBQD7OLFCE66OMHRM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JXKPRO2NMXBQD7OLFCE66OMHRM/action/storage_attestation","attest_author":"https://pith.science/pith/JXKPRO2NMXBQD7OLFCE66OMHRM/action/author_attestation","sign_citation":"https://pith.science/pith/JXKPRO2NMXBQD7OLFCE66OMHRM/action/citation_signature","submit_replication":"https://pith.science/pith/JXKPRO2NMXBQD7OLFCE66OMHRM/action/replication_record"}},"created_at":"2026-05-18T04:30:37.366882+00:00","updated_at":"2026-05-18T04:30:37.366882+00:00"}