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We find Im(z) = 0.010 +- 0.030 +- 0013, Re(z) = -0:065 +- 0.028 +- 0.014, and |Abar/A| = 0.999 +- 0.023 +- 0.017, in agreement with CPT symmetry. The Re(z) result provides a limit on one component of Lorentz-symmetry violation."},"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":"1607.05882","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-07-20T09:23:10Z","cross_cats_sorted":[],"title_canon_sha256":"8b9202fac31a552bb948ffcae5a736fdb6923d94aaa7eb6ffa0225af8ba8ba8f","abstract_canon_sha256":"c8924de1c8f9ff206a1659748b9af378f33741dfdff45e6f0c833f1b592703be"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:23.115294Z","signature_b64":"iE+8CMb5GPmeRtYKFwJ52wcn/Wfd2ETblWEbbSH3fSYi/rCBZYXLxRf7WYhgxj4peJJwSEPzVvUE1mXMcHg/AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"71aaf560040ab278ea20800a56a4a9b454477dfc2436ff505cff670a85eebd44","last_reissued_at":"2026-05-18T01:10:23.114822Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:23.114822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Tests of CPT symmetry in B0-B0bar mixing and in B0 to c cbar K0 decays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Klaus R. Schubert","submitted_at":"2016-07-20T09:23:10Z","abstract_excerpt":"Using the time dependences for the decays Y(4S) to B0B0bar to (ell^+- X)(c cbar K_S,L), we determine the three CPT-sensitive parameters Re (z) and Im (z) in B0-B0bar mixing and |Abar/A| in B0 to c cbar K0 decays. We find Im(z) = 0.010 +- 0.030 +- 0013, Re(z) = -0:065 +- 0.028 +- 0.014, and |Abar/A| = 0.999 +- 0.023 +- 0.017, in agreement with CPT symmetry. 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