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For the mixing angle around $\\theta \\approx (53.0\\pm 0.5)^{0}$, we obtain a value for the mass which is in good agreement with the experimental mass of the Y(4260). However, for the decay width we find the value $\\Ga_Y \\approx (1.0\\pm 0.2)$ MeV which is not compatible with the experimental value $\\Ga \\approx (88\\pm 23)$ MeV. Therefore, we conclude that, although we can explain the mass of the Y(4260), this state cannot be de"},"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":"1209.6592","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-09-28T18:21:59Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"25458113aea315a0085bbe92c3154c05020eb2cab8c0161f936e4362fe5555b0","abstract_canon_sha256":"b41b36bdeb747f26400c698b2f01f3d8bf46b3315aa45fdaf6dde665a2e94ca9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:20:45.355975Z","signature_b64":"XyA7q1C8S6vHykPY41SUunAn2ZN2aQmpuV/AEWN+PhkPzkW0VuQtrQOskLoP/eAYbkVQaeIT+cjCswXeMgyyAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d79c9b4c6c140f93b6494f0a8d3e2de3c57f58ff5825d39405944f4759a4ce6","last_reissued_at":"2026-05-18T03:20:45.355372Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:20:45.355372Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Y(4260) as a mixed charmonium-tetraquark state","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"C. 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