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In particular, the lattice results for the matrix elements of the relevant (delta B=2)-operators are updated and the first lattice QCD results for the matrix elements of (delta B=0)-operators are presented. In both cases, the NLO perturbative QCD corrections in the coefficient functions have been included. The theoretically updated results are: (delta Gamma/Gamma)_{Bs} = (7 +/- 4) %, tau(B+)/tau(Bd) = 1.07(3) and tau(Bs)/tau(Bd) = 1.00(2)"},"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/0110124","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2001-10-09T17:06:27Z","cross_cats_sorted":["hep-ex","hep-lat"],"title_canon_sha256":"9e59a431d7112422dcef5876608f75f3260f11f01bbdb8311a9eb066870314e1","abstract_canon_sha256":"269380163a15b7197bf518000dfc832f402c817abac82d1b461ae8be8e7a596e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:28:04.164410Z","signature_b64":"+o79FSpJ+UHK3oSY2bBUsBueAocOS9coD27Tw8UX+u9IgFRtBgyomB0paU99Hav1+/EDS9BeJuLfQ+ZafOfgAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"330f1b2255fb5fc5b700f5e66f14af9ee1706c35c275b597c459da9a4b4d33eb","last_reissued_at":"2026-07-04T14:28:04.164033Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:28:04.164033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Theoretical progress in describing the B-meson lifetimes","license":"","headline":"","cross_cats":["hep-ex","hep-lat"],"primary_cat":"hep-ph","authors_text":"Damir Becirevic","submitted_at":"2001-10-09T17:06:27Z","abstract_excerpt":"The present status of the theoretical estimates of the difference between the widths of the neutral Bs-mesons and of the B-meson lifetime ratios is reviewed. 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