{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:JJSGZ6TJ5Z6XCMX7HFMIXHCPQH","short_pith_number":"pith:JJSGZ6TJ","schema_version":"1.0","canonical_sha256":"4a646cfa69ee7d7132ff39588b9c4f81f7ed201aba31d4a889ec8ff7ec25b692","source":{"kind":"arxiv","id":"2301.12388","version":2},"attestation_state":"computed","paper":{"title":"Charmonium mass shifts in an unquenched quark model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Xiaoyun Chen, Youchang Yang, Yue Tan","submitted_at":"2023-01-29T08:09:15Z","abstract_excerpt":"In this paper, we performed a coupled-channel calculation and evaluated the mass shifts for all $1S$, $2S$, $1P$, $2P$ and $1D$ charmonium valence states below 4 GeV, by incorporating the four-quark components ($D$, $D^*$, $D_s$ and $D_s^*$ meson pairs) into the quark model. The valence-continuum coupling is provided by the $^3P_0$ quark-pair creation model. The induced mass shifts appear to be large and negative with the original transition operator in $^3P_0$ model, which raised up challenges for the valence quark model. More QCD-motivated models should be employed for the quark-pair creatio"},"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":"2301.12388","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-01-29T08:09:15Z","cross_cats_sorted":[],"title_canon_sha256":"e889dd007114e37d743257b138c24c2a0c7eae78a8ffce7ab36990fffe75f939","abstract_canon_sha256":"80eecd2839341d88ab5fe55bf56a8aa3080a221eb15be44d8aff75b1b0611da9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:38:11.024661Z","signature_b64":"EGq3ZWLftwBcLpPAuyHDfuCfsqnfqZ+RsPOheE0UUM7yeCne6Q0KgtjT95hbrXN0YcR33XGAXJ+xiux9BPW7Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4a646cfa69ee7d7132ff39588b9c4f81f7ed201aba31d4a889ec8ff7ec25b692","last_reissued_at":"2026-07-05T05:38:11.024294Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:38:11.024294Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Charmonium mass shifts in an unquenched quark model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Xiaoyun Chen, Youchang Yang, Yue Tan","submitted_at":"2023-01-29T08:09:15Z","abstract_excerpt":"In this paper, we performed a coupled-channel calculation and evaluated the mass shifts for all $1S$, $2S$, $1P$, $2P$ and $1D$ charmonium valence states below 4 GeV, by incorporating the four-quark components ($D$, $D^*$, $D_s$ and $D_s^*$ meson pairs) into the quark model. The valence-continuum coupling is provided by the $^3P_0$ quark-pair creation model. The induced mass shifts appear to be large and negative with the original transition operator in $^3P_0$ model, which raised up challenges for the valence quark model. More QCD-motivated models should be employed for the quark-pair creatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.12388","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2301.12388/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2301.12388","created_at":"2026-07-05T05:38:11.024363+00:00"},{"alias_kind":"arxiv_version","alias_value":"2301.12388v2","created_at":"2026-07-05T05:38:11.024363+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.12388","created_at":"2026-07-05T05:38:11.024363+00:00"},{"alias_kind":"pith_short_12","alias_value":"JJSGZ6TJ5Z6X","created_at":"2026-07-05T05:38:11.024363+00:00"},{"alias_kind":"pith_short_16","alias_value":"JJSGZ6TJ5Z6XCMX7","created_at":"2026-07-05T05:38:11.024363+00:00"},{"alias_kind":"pith_short_8","alias_value":"JJSGZ6TJ","created_at":"2026-07-05T05:38:11.024363+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2507.13882","citing_title":"$\\Upsilon(5S)$ in the unquenched quark model","ref_index":31,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/JJSGZ6TJ5Z6XCMX7HFMIXHCPQH","json":"https://pith.science/pith/JJSGZ6TJ5Z6XCMX7HFMIXHCPQH.json","graph_json":"https://pith.science/api/pith-number/JJSGZ6TJ5Z6XCMX7HFMIXHCPQH/graph.json","events_json":"https://pith.science/api/pith-number/JJSGZ6TJ5Z6XCMX7HFMIXHCPQH/events.json","paper":"https://pith.science/paper/JJSGZ6TJ"},"agent_actions":{"view_html":"https://pith.science/pith/JJSGZ6TJ5Z6XCMX7HFMIXHCPQH","download_json":"https://pith.science/pith/JJSGZ6TJ5Z6XCMX7HFMIXHCPQH.json","view_paper":"https://pith.science/paper/JJSGZ6TJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2301.12388&json=true","fetch_graph":"https://pith.science/api/pith-number/JJSGZ6TJ5Z6XCMX7HFMIXHCPQH/graph.json","fetch_events":"https://pith.science/api/pith-number/JJSGZ6TJ5Z6XCMX7HFMIXHCPQH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JJSGZ6TJ5Z6XCMX7HFMIXHCPQH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JJSGZ6TJ5Z6XCMX7HFMIXHCPQH/action/storage_attestation","attest_author":"https://pith.science/pith/JJSGZ6TJ5Z6XCMX7HFMIXHCPQH/action/author_attestation","sign_citation":"https://pith.science/pith/JJSGZ6TJ5Z6XCMX7HFMIXHCPQH/action/citation_signature","submit_replication":"https://pith.science/pith/JJSGZ6TJ5Z6XCMX7HFMIXHCPQH/action/replication_record"}},"created_at":"2026-07-05T05:38:11.024363+00:00","updated_at":"2026-07-05T05:38:11.024363+00:00"}