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By assuming the partial width of $\\psi(4S) \\to e^+e^-$ being 0.63 keV, the branching fraction limit $\\BR(\\psi(4S) \\ra "},"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":"1506.04960","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2015-06-16T13:18:48Z","cross_cats_sorted":[],"title_canon_sha256":"a10950e1683ac763dfde58555636a844d622bbfe06003d61f99f65b44d214daf","abstract_canon_sha256":"ea93730f0f5349b32ce5f488658fdf163e1510f59ff58aed6a4013689a00dec5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:27:05.183697Z","signature_b64":"EkF7LoQo9Ml2+zI4aIc/Rlu2xvw+8RcznMXbx7T5qwEZv0Qinkpfx67iP85BUSzzbpSLSiIPv+D5euiwSqDcDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d28768c9cbf1f21ca5a70e911cf2e4c20e7c0f487e15f051dfe2b1fd5b51ba48","last_reissued_at":"2026-05-18T01:27:05.182965Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:27:05.182965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Search for $\\psi(4S)\\to\\eta J/\\psi$ in $B^\\pm \\ra \\eta J/\\psi K^\\pm$ and $e^+ e^- \\to \\eta J/\\psi$ processes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"Gao Xu-yang, Shen Cheng-Ping, Wang Xiao-Long","submitted_at":"2015-06-16T13:18:48Z","abstract_excerpt":"We search for the $\\psi(4S)$ state in $B^\\pm \\ra \\eta J/\\psi K^\\pm$ and $e^+e^- \\ra \\eta J/\\psi$ based on the Belle measurements with the assumed mass $M=(4230\\pm8)$ MeV/$c^2$ and width $\\Gamma=(38\\pm12)$ MeV. 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