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This branching ratio measurement is fully inclusive of final-state radiation. Using the above result, we determine the modulus of the amplitude ratio |\\eta_{+-}| to be (2.219 +/- 0.013)x 10^{-3} and |\\epsilon| to be (2.216 +/- 0.013)x 10^{-3}."},"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-ex/0603041","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2006-03-21T09:58:40Z","cross_cats_sorted":[],"title_canon_sha256":"fc35093c875506cf7a1b4c8619c8211dcc9d0132a584bba01c5deb244e6f4006","abstract_canon_sha256":"846852a2c9e68d0ff7f267ba7c9858747fa8e91c308a1059df11893e41017551"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:47:22.893997Z","signature_b64":"of8wn2nyx8hjzx6yadV8VSpofCuHERe38MuonSb7ja9UkKfp9Kk/IDoYmcGocO956GejVlFb8jWShPwTicAzBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1cc0244b43ee5433316b2f44b1291df03532bc82a888d603ba9e7d4213e5609","last_reissued_at":"2026-05-18T03:47:22.893544Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:47:22.893544Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurement of the Branching Ratio of the KL -> pi+pi- decay with the KLOE Detector","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"KLOE collaboration","submitted_at":"2006-03-21T09:58:40Z","abstract_excerpt":"We present a measurement of the branching ratio of the CP violating decay KL->pi+pi- performed by the KLOE experiment at the phi factory DAFNE. 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