{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:WAXJOIXPP55P6BALFBFISLO4IR","short_pith_number":"pith:WAXJOIXP","schema_version":"1.0","canonical_sha256":"b02e9722ef7f7aff040b284a892ddc4445795b59634aea288db354d813040f38","source":{"kind":"arxiv","id":"0912.3566","version":2},"attestation_state":"computed","paper":{"title":"Measurement of the Lambda_b Lifetime in Lambda_b -> Lambda_c+ pi- Decays in p-pbar Collisions at sqrt(s) = 1.96 TeV","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al, The CDF Collaboration: T. Aaltonen","submitted_at":"2009-12-18T01:05:19Z","abstract_excerpt":"We report a measurement of the lifetime of the Lambda_b baryon in decays to the Lambda_C+ pi- final state in a sample corresponding to 1.1 fb^-1 collected in p-pbar collisions at sqrt(s) = 1.96 TeV by the CDF II detector at the Tevatron collider. Using a sample of about 3000 fully reconstructed Lambda_b events we measure tau(Lambda_b) = 1.401 +- 0.046 (stat) +- 0.035 (syst) ps (corresponding to c.tau(Lambda_b) = 420.1 +- 13.7 (stat) +- 10.6 (syst) um, where c is the speed of light). The ratio of this result and the world average B^0 lifetime yields tau(Lambda_b)/tau(B^0) = 0.918 +- 0.038 (stat"},"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":"0912.3566","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-12-18T01:05:19Z","cross_cats_sorted":[],"title_canon_sha256":"9886f3db2c85a3da0203be08cba9fa3f118ed8634e6a31d54785e627a89895b8","abstract_canon_sha256":"b2ee21b61b4d71a1a8bd92f92cd235fdd2d81eac29f8de9ad94b53d959471e5e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:28:15.660899Z","signature_b64":"ajCvuLYT2sOw+T9vXMw7rrUgiowFGXl1/mi7y8Z7JOpf74oCuHM9kW38MZhA2NmA2vdtR9OQzEhJZoO4M9LOBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b02e9722ef7f7aff040b284a892ddc4445795b59634aea288db354d813040f38","last_reissued_at":"2026-07-04T17:28:15.660497Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:28:15.660497Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurement of the Lambda_b Lifetime in Lambda_b -> Lambda_c+ pi- Decays in p-pbar Collisions at sqrt(s) = 1.96 TeV","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al, The CDF Collaboration: T. Aaltonen","submitted_at":"2009-12-18T01:05:19Z","abstract_excerpt":"We report a measurement of the lifetime of the Lambda_b baryon in decays to the Lambda_C+ pi- final state in a sample corresponding to 1.1 fb^-1 collected in p-pbar collisions at sqrt(s) = 1.96 TeV by the CDF II detector at the Tevatron collider. Using a sample of about 3000 fully reconstructed Lambda_b events we measure tau(Lambda_b) = 1.401 +- 0.046 (stat) +- 0.035 (syst) ps (corresponding to c.tau(Lambda_b) = 420.1 +- 13.7 (stat) +- 10.6 (syst) um, where c is the speed of light). The ratio of this result and the world average B^0 lifetime yields tau(Lambda_b)/tau(B^0) = 0.918 +- 0.038 (stat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.3566","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/0912.3566/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":"0912.3566","created_at":"2026-07-04T17:28:15.660559+00:00"},{"alias_kind":"arxiv_version","alias_value":"0912.3566v2","created_at":"2026-07-04T17:28:15.660559+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.3566","created_at":"2026-07-04T17:28:15.660559+00:00"},{"alias_kind":"pith_short_12","alias_value":"WAXJOIXPP55P","created_at":"2026-07-04T17:28:15.660559+00:00"},{"alias_kind":"pith_short_16","alias_value":"WAXJOIXPP55P6BAL","created_at":"2026-07-04T17:28:15.660559+00:00"},{"alias_kind":"pith_short_8","alias_value":"WAXJOIXP","created_at":"2026-07-04T17:28:15.660559+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2607.06538","citing_title":"Predictions for $b$-baryon lifetimes at NNLO-QCD","ref_index":38,"is_internal_anchor":true},{"citing_arxiv_id":"2411.18639","citing_title":"Averages of $b$-hadron, $c$-hadron, and $\\tau$-lepton properties as of 2023","ref_index":157,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WAXJOIXPP55P6BALFBFISLO4IR","json":"https://pith.science/pith/WAXJOIXPP55P6BALFBFISLO4IR.json","graph_json":"https://pith.science/api/pith-number/WAXJOIXPP55P6BALFBFISLO4IR/graph.json","events_json":"https://pith.science/api/pith-number/WAXJOIXPP55P6BALFBFISLO4IR/events.json","paper":"https://pith.science/paper/WAXJOIXP"},"agent_actions":{"view_html":"https://pith.science/pith/WAXJOIXPP55P6BALFBFISLO4IR","download_json":"https://pith.science/pith/WAXJOIXPP55P6BALFBFISLO4IR.json","view_paper":"https://pith.science/paper/WAXJOIXP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0912.3566&json=true","fetch_graph":"https://pith.science/api/pith-number/WAXJOIXPP55P6BALFBFISLO4IR/graph.json","fetch_events":"https://pith.science/api/pith-number/WAXJOIXPP55P6BALFBFISLO4IR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WAXJOIXPP55P6BALFBFISLO4IR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WAXJOIXPP55P6BALFBFISLO4IR/action/storage_attestation","attest_author":"https://pith.science/pith/WAXJOIXPP55P6BALFBFISLO4IR/action/author_attestation","sign_citation":"https://pith.science/pith/WAXJOIXPP55P6BALFBFISLO4IR/action/citation_signature","submit_replication":"https://pith.science/pith/WAXJOIXPP55P6BALFBFISLO4IR/action/replication_record"}},"created_at":"2026-07-04T17:28:15.660559+00:00","updated_at":"2026-07-04T17:28:15.660559+00:00"}