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The corresponding branching fractions are measured to be BF(B+ -> K0(bar) K+) = (1.0+-0.4+-0.1) x 10^-6 and Br(B0 -> K0 K0(bar)) = 0.8+-0.3+-0.1) x 10^-6. These decay modes are examples of hadronic b -> d transitions. No signal is observed in the decay B0 -> K+ K- and we set an upper limit of 3.7 x 10^-7 at 90% co"},"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/0506080","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2005-06-30T16:01:59Z","cross_cats_sorted":[],"title_canon_sha256":"a670401be7e9a4d17cb26e6d1a8c666d9872c62c4f1720ed03062a5c14b721a7","abstract_canon_sha256":"ec725963317f103cf493041fe83f44ea4b62b677f00d6906924f1f31ebcf32dc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:54:22.039309Z","signature_b64":"ip9wX63+bon9H4Qxc38FvqHp1XTRdPXC3qHxbp1TB7wqdjHCN/sfTA/HeT6Su76k7+/Ag0Om1Q9GxoC/ChhyAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5fbe184615b2b5c1e9ce0499bda780b1fb805c23263126511d72b440923fa735","last_reissued_at":"2026-07-04T23:54:22.038970Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:54:22.038970Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurements of B Decays to Two Kaons","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al. 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