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Besides, it couples much stronger to $\\sigma$ than to $f_0(980)$: $|g_{X\\Psi \\sigma}^2/g^2_{X\\Psi f_0(980)}|\\sim O(10) \\ .$ As an approximate result for X(4660), we obtain that the ratio of $\\frac{Br(X\\rightarrow\\Lambda_c^+\\Lambda_c^-)}{Br(X\\rightarrow\\Psi(2s)\\pi^+\\pi^-)}\\simeq 20$. Finally, taking X(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":"1301.4004","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-01-17T08:30:57Z","cross_cats_sorted":[],"title_canon_sha256":"3399ecff3876fb95b2ea06f0a068e32a71603d6cd9f1c13cf8a42bc07e03d323","abstract_canon_sha256":"1970fd238f9b77d6ff00c1f2315b938d79fd6779fadf96ee00e8a59f25908ff6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:36:14.644038Z","signature_b64":"IdDX8z52jnFQGEDguuO/ZVPSnyR/SNXLvGbWa6rxmlD0D5gcFarqwvKgylf7nZHdWQSJSOmv98vx9wK8zydODw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5625676f1fd1fd22c01869650f97874b350312e0881e8337ee09175c606ed3a1","last_reissued_at":"2026-05-18T03:36:14.643374Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:36:14.643374Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Studies on X(4260) and X(4660) particles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"De-Liang Yao, Han-Qing Zheng, Meng Shi","submitted_at":"2013-01-17T08:30:57Z","abstract_excerpt":"Studies on the X(4260) and X(4660) resonant states in an effective lagrangian approach are reviewed. Using a Breit--Wigner propagator to describe their propagation, we find that the X(4260) has a sizable coupling to the $\\omega\\chi_{c0}$ channel, while other couplings are found to be negligible. Besides, it couples much stronger to $\\sigma$ than to $f_0(980)$: $|g_{X\\Psi \\sigma}^2/g^2_{X\\Psi f_0(980)}|\\sim O(10) \\ .$ As an approximate result for X(4660), we obtain that the ratio of $\\frac{Br(X\\rightarrow\\Lambda_c^+\\Lambda_c^-)}{Br(X\\rightarrow\\Psi(2s)\\pi^+\\pi^-)}\\simeq 20$. Finally, taking X(3"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.4004","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1301.4004","created_at":"2026-05-18T03:36:14.643472+00:00"},{"alias_kind":"arxiv_version","alias_value":"1301.4004v1","created_at":"2026-05-18T03:36:14.643472+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.4004","created_at":"2026-05-18T03:36:14.643472+00:00"},{"alias_kind":"pith_short_12","alias_value":"KYSWO3Y72H6S","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_16","alias_value":"KYSWO3Y72H6SFQAY","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_8","alias_value":"KYSWO3Y7","created_at":"2026-05-18T12:27:51.066281+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/KYSWO3Y72H6SFQAYNFSQ7F4HJM","json":"https://pith.science/pith/KYSWO3Y72H6SFQAYNFSQ7F4HJM.json","graph_json":"https://pith.science/api/pith-number/KYSWO3Y72H6SFQAYNFSQ7F4HJM/graph.json","events_json":"https://pith.science/api/pith-number/KYSWO3Y72H6SFQAYNFSQ7F4HJM/events.json","paper":"https://pith.science/paper/KYSWO3Y7"},"agent_actions":{"view_html":"https://pith.science/pith/KYSWO3Y72H6SFQAYNFSQ7F4HJM","download_json":"https://pith.science/pith/KYSWO3Y72H6SFQAYNFSQ7F4HJM.json","view_paper":"https://pith.science/paper/KYSWO3Y7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1301.4004&json=true","fetch_graph":"https://pith.science/api/pith-number/KYSWO3Y72H6SFQAYNFSQ7F4HJM/graph.json","fetch_events":"https://pith.science/api/pith-number/KYSWO3Y72H6SFQAYNFSQ7F4HJM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KYSWO3Y72H6SFQAYNFSQ7F4HJM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KYSWO3Y72H6SFQAYNFSQ7F4HJM/action/storage_attestation","attest_author":"https://pith.science/pith/KYSWO3Y72H6SFQAYNFSQ7F4HJM/action/author_attestation","sign_citation":"https://pith.science/pith/KYSWO3Y72H6SFQAYNFSQ7F4HJM/action/citation_signature","submit_replication":"https://pith.science/pith/KYSWO3Y72H6SFQAYNFSQ7F4HJM/action/replication_record"}},"created_at":"2026-05-18T03:36:14.643472+00:00","updated_at":"2026-05-18T03:36:14.643472+00:00"}