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The $K^+K^-$ final state enhancement factor was parametrized using the effective range expansion. The effective range of the $K^+K^-$ interaction was estimated to be: $\\mathrm{Re}(b_{K^{+}K^{-}}) = -0.1 \\pm 0.4_{stat} \\pm 0.3_{sys} \\mathrm{fm}$ and $\\mathrm{Im}(b_{K^{+}K^{-}}) = 1.2^{+0.1_{stat}+0.2_{sys}}_{-0.2_{stat}-0.0_{sys}} \\mathrm{fm}$, and "},"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":"1308.3587","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-08-16T09:56:50Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"19e9a4cc778d824b3efe6dad312eae3ec1c43cb9190b5ac1c347a3fdd6f6df91","abstract_canon_sha256":"4e4f1937b92b8d6cc97c7d88c2ec62fe67a5d676640a9e1e144605c193f18233"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:56:19.088664Z","signature_b64":"JbzLN75DUR8a9vTbOpWnmKMX+0ONFAW6oikkpU1It8NSiwrrs1X1gaalLIYxIs2Rrsp0+HSfRniX4uNZl6mWCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c8781260f23fe146eb996a54b8531cff6495e5a5bdb09e78c35c0b8f19f06496","last_reissued_at":"2026-05-18T02:56:19.088130Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:56:19.088130Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Combined analysis of the $K^{+}K^{-}$ interaction using near threshold $pp \\to ppK^+K^-$ data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"M. 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