{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:AS4POBWMGGQ3W4ECHV2VUG6QIH","short_pith_number":"pith:AS4POBWM","schema_version":"1.0","canonical_sha256":"04b8f706cc31a1bb70823d755a1bd041e035308b90dba8642ebecb36994ef20e","source":{"kind":"arxiv","id":"1111.3884","version":2},"attestation_state":"computed","paper":{"title":"On the Role of Charmed Meson Loops in Charmonium Decays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Di-Lun Yang, Thomas Mehen","submitted_at":"2011-11-16T17:46:08Z","abstract_excerpt":"We investigate the effect of intermediate charmed meson loops on the M1 radiative decays $J/\\psi \\to \\eta_c \\gamma$ and $\\psi'\\rightarrow\\eta^{(\\prime)}_c\\gamma$ as well as the isospin violating hadronic decays $\\psi'\\rightarrow J/\\psi \\,\\pi^0(\\eta)$ using heavy hadron chiral perturbation theory (HH$\\chi$PT). The calculations include tree level as well as one loop diagrams and are compared to the latest data from CLEO and BES-III. Our fit constrains the couplings of 1S and 2S charmonium multiplets to charmed mesons, denoted $g_2$ and $g_2^\\prime$, respectively. We find that there are two sets "},"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":"1111.3884","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-11-16T17:46:08Z","cross_cats_sorted":[],"title_canon_sha256":"b27cb3f536e801f609c0b875a667642e9385b5aab20f425135d0d76c61aa7407","abstract_canon_sha256":"927e0dea59c17f9bff973e9769e1923b6e4c2ac12212f78589e8414e8463605c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:23:12.510353Z","signature_b64":"gWu46usMd9jgI0DxuemzPirETWHokQ58WMhq3xZ/R4ARM8726Aaz3SRD6OD6+GRZE0WPLszUp0RgvrELQbicAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"04b8f706cc31a1bb70823d755a1bd041e035308b90dba8642ebecb36994ef20e","last_reissued_at":"2026-05-18T03:23:12.509888Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:23:12.509888Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the Role of Charmed Meson Loops in Charmonium Decays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Di-Lun Yang, Thomas Mehen","submitted_at":"2011-11-16T17:46:08Z","abstract_excerpt":"We investigate the effect of intermediate charmed meson loops on the M1 radiative decays $J/\\psi \\to \\eta_c \\gamma$ and $\\psi'\\rightarrow\\eta^{(\\prime)}_c\\gamma$ as well as the isospin violating hadronic decays $\\psi'\\rightarrow J/\\psi \\,\\pi^0(\\eta)$ using heavy hadron chiral perturbation theory (HH$\\chi$PT). The calculations include tree level as well as one loop diagrams and are compared to the latest data from CLEO and BES-III. Our fit constrains the couplings of 1S and 2S charmonium multiplets to charmed mesons, denoted $g_2$ and $g_2^\\prime$, respectively. We find that there are two sets "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.3884","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":""},"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":"1111.3884","created_at":"2026-05-18T03:23:12.509962+00:00"},{"alias_kind":"arxiv_version","alias_value":"1111.3884v2","created_at":"2026-05-18T03:23:12.509962+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.3884","created_at":"2026-05-18T03:23:12.509962+00:00"},{"alias_kind":"pith_short_12","alias_value":"AS4POBWMGGQ3","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_16","alias_value":"AS4POBWMGGQ3W4EC","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_8","alias_value":"AS4POBWM","created_at":"2026-05-18T12:26:24.575870+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/AS4POBWMGGQ3W4ECHV2VUG6QIH","json":"https://pith.science/pith/AS4POBWMGGQ3W4ECHV2VUG6QIH.json","graph_json":"https://pith.science/api/pith-number/AS4POBWMGGQ3W4ECHV2VUG6QIH/graph.json","events_json":"https://pith.science/api/pith-number/AS4POBWMGGQ3W4ECHV2VUG6QIH/events.json","paper":"https://pith.science/paper/AS4POBWM"},"agent_actions":{"view_html":"https://pith.science/pith/AS4POBWMGGQ3W4ECHV2VUG6QIH","download_json":"https://pith.science/pith/AS4POBWMGGQ3W4ECHV2VUG6QIH.json","view_paper":"https://pith.science/paper/AS4POBWM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1111.3884&json=true","fetch_graph":"https://pith.science/api/pith-number/AS4POBWMGGQ3W4ECHV2VUG6QIH/graph.json","fetch_events":"https://pith.science/api/pith-number/AS4POBWMGGQ3W4ECHV2VUG6QIH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AS4POBWMGGQ3W4ECHV2VUG6QIH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AS4POBWMGGQ3W4ECHV2VUG6QIH/action/storage_attestation","attest_author":"https://pith.science/pith/AS4POBWMGGQ3W4ECHV2VUG6QIH/action/author_attestation","sign_citation":"https://pith.science/pith/AS4POBWMGGQ3W4ECHV2VUG6QIH/action/citation_signature","submit_replication":"https://pith.science/pith/AS4POBWMGGQ3W4ECHV2VUG6QIH/action/replication_record"}},"created_at":"2026-05-18T03:23:12.509962+00:00","updated_at":"2026-05-18T03:23:12.509962+00:00"}