{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:HDCBJMP7ZVRYFGXYUGLT54IIIB","short_pith_number":"pith:HDCBJMP7","schema_version":"1.0","canonical_sha256":"38c414b1ffcd63829af8a1973ef108407eb0cdc50bb4fa2c50ca7e317251ab1f","source":{"kind":"arxiv","id":"1108.2419","version":3},"attestation_state":"computed","paper":{"title":"Model-independent approach to eta -> pi+ pi- gamma and eta' -> pi+ pi- gamma","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"A. Kupsc, A. Wirzba, C. Hanhart, F. Stollenwerk, U.-G. Mei{\\ss}ner","submitted_at":"2011-08-11T14:41:58Z","abstract_excerpt":"We present a new, model-independent method to analyze radiative decays of mesons to a vector, isovector pair of pions of invariant mass square below the first significant pion-pion threshold in the vector channel. It is based on a combination of chiral perturbation theory and dispersion theory. This allows for a controlled inclusion of resonance physics without the necessity to involve vector meson dominance explicitly. As an example, the method is applied to an analysis of the reactions eta -> pi+ pi- gamma and eta'->pi+ pi- gamma."},"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":"1108.2419","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-08-11T14:41:58Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"a118ca2d47bd639988ea9fb6560beb5207988e500b6f46e55105a5e490f527d2","abstract_canon_sha256":"41d918a30ebdee64daa7490a11157ef7245c377a08fc52747717b6d85b7763c3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:21:42.188357Z","signature_b64":"QB6Ig7j2FQ3hRZNnbozJaeAnYhIj1v+nJEJhO1YcDa0YmG+3ZH2n6tDA41sDRTUQtVo3owKNrwmuSUPI9EgOAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38c414b1ffcd63829af8a1973ef108407eb0cdc50bb4fa2c50ca7e317251ab1f","last_reissued_at":"2026-05-18T02:21:42.187874Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:21:42.187874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Model-independent approach to eta -> pi+ pi- gamma and eta' -> pi+ pi- gamma","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"A. Kupsc, A. Wirzba, C. Hanhart, F. Stollenwerk, U.-G. Mei{\\ss}ner","submitted_at":"2011-08-11T14:41:58Z","abstract_excerpt":"We present a new, model-independent method to analyze radiative decays of mesons to a vector, isovector pair of pions of invariant mass square below the first significant pion-pion threshold in the vector channel. It is based on a combination of chiral perturbation theory and dispersion theory. This allows for a controlled inclusion of resonance physics without the necessity to involve vector meson dominance explicitly. As an example, the method is applied to an analysis of the reactions eta -> pi+ pi- gamma and eta'->pi+ pi- gamma."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.2419","kind":"arxiv","version":3},"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":"1108.2419","created_at":"2026-05-18T02:21:42.187947+00:00"},{"alias_kind":"arxiv_version","alias_value":"1108.2419v3","created_at":"2026-05-18T02:21:42.187947+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.2419","created_at":"2026-05-18T02:21:42.187947+00:00"},{"alias_kind":"pith_short_12","alias_value":"HDCBJMP7ZVRY","created_at":"2026-05-18T12:26:30.835961+00:00"},{"alias_kind":"pith_short_16","alias_value":"HDCBJMP7ZVRYFGXY","created_at":"2026-05-18T12:26:30.835961+00:00"},{"alias_kind":"pith_short_8","alias_value":"HDCBJMP7","created_at":"2026-05-18T12:26:30.835961+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2512.13776","citing_title":"Improved Standard-Model predictions for $\\eta^{(\\prime)}\\to \\ell^+ \\ell^-$","ref_index":68,"is_internal_anchor":true},{"citing_arxiv_id":"2601.03740","citing_title":"Topological quantization of vector meson anomalous couplings","ref_index":42,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HDCBJMP7ZVRYFGXYUGLT54IIIB","json":"https://pith.science/pith/HDCBJMP7ZVRYFGXYUGLT54IIIB.json","graph_json":"https://pith.science/api/pith-number/HDCBJMP7ZVRYFGXYUGLT54IIIB/graph.json","events_json":"https://pith.science/api/pith-number/HDCBJMP7ZVRYFGXYUGLT54IIIB/events.json","paper":"https://pith.science/paper/HDCBJMP7"},"agent_actions":{"view_html":"https://pith.science/pith/HDCBJMP7ZVRYFGXYUGLT54IIIB","download_json":"https://pith.science/pith/HDCBJMP7ZVRYFGXYUGLT54IIIB.json","view_paper":"https://pith.science/paper/HDCBJMP7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1108.2419&json=true","fetch_graph":"https://pith.science/api/pith-number/HDCBJMP7ZVRYFGXYUGLT54IIIB/graph.json","fetch_events":"https://pith.science/api/pith-number/HDCBJMP7ZVRYFGXYUGLT54IIIB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HDCBJMP7ZVRYFGXYUGLT54IIIB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HDCBJMP7ZVRYFGXYUGLT54IIIB/action/storage_attestation","attest_author":"https://pith.science/pith/HDCBJMP7ZVRYFGXYUGLT54IIIB/action/author_attestation","sign_citation":"https://pith.science/pith/HDCBJMP7ZVRYFGXYUGLT54IIIB/action/citation_signature","submit_replication":"https://pith.science/pith/HDCBJMP7ZVRYFGXYUGLT54IIIB/action/replication_record"}},"created_at":"2026-05-18T02:21:42.187947+00:00","updated_at":"2026-05-18T02:21:42.187947+00:00"}