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(CDF Collaboration)","submitted_at":"2010-12-14T19:13:49Z","abstract_excerpt":"We report on a measurement of $b$-hadron lifetimes in the fully reconstructed decay modes B^+ -->J/Psi K+, B^0 --> J/Psi K*, B^0 --> J/Psi Ks, and Lambda_b --> J/Psi Lambda using data corresponding to an integrated luminosity of 4.3 ${\\rm fb}^{-1}$, collected by the CDF II detector at the Fermilab Tevatron. The measured lifetimes are $\\tau$B^+ = $1.639 \\pm 0.009  ({\\rm stat}) \\pm 0.009 {\\rm (syst) ~ ps}$, $\\tau$B^0 = $1.507 \\pm 0.010  ({\\rm stat}) \\pm 0.008 {\\rm (syst) ~ ps}$ and $\\tau$Lambda_b = $1.537 \\pm 0.045  ({\\rm stat}) \\pm 0.014 {\\rm (syst) ~ ps}$. The lifetime ratios are $\\tau$B^+/$\\t"},"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":"1012.3138","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2010-12-14T19:13:49Z","cross_cats_sorted":[],"title_canon_sha256":"24caf90895cbf7c882345c1b4464796df8818f605143846f8402103bc0183f54","abstract_canon_sha256":"e255d9fca5ba6ef252a06e91aaaad68eb6d613990975729f0bc241c213b24558"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:25:10.996149Z","signature_b64":"/BYq0YMu3Po9wNpxGnNlReB1k2/wqtbbKGX6XJ1qwq4ygCkWvHoS+J0dxmsRkeYxzoisN9hGxkeGAn1h139pAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ca7d8da757351870a06b2dc9ede8f5b6ffa5fee6fcde5a9860b9df42538f1815","last_reissued_at":"2026-05-18T04:25:10.995736Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:25:10.995736Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurement of b hadron lifetimes in exclusive decays containing a J/psi in p-pbar collisions at sqrt(s)=1.96TeV","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"T. Aaltonen et al. (CDF Collaboration)","submitted_at":"2010-12-14T19:13:49Z","abstract_excerpt":"We report on a measurement of $b$-hadron lifetimes in the fully reconstructed decay modes B^+ -->J/Psi K+, B^0 --> J/Psi K*, B^0 --> J/Psi Ks, and Lambda_b --> J/Psi Lambda using data corresponding to an integrated luminosity of 4.3 ${\\rm fb}^{-1}$, collected by the CDF II detector at the Fermilab Tevatron. The measured lifetimes are $\\tau$B^+ = $1.639 \\pm 0.009  ({\\rm stat}) \\pm 0.009 {\\rm (syst) ~ ps}$, $\\tau$B^0 = $1.507 \\pm 0.010  ({\\rm stat}) \\pm 0.008 {\\rm (syst) ~ ps}$ and $\\tau$Lambda_b = $1.537 \\pm 0.045  ({\\rm stat}) \\pm 0.014 {\\rm (syst) ~ ps}$. 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