{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:C2EZYLJCLL5UJZ5SEZHG4XWMXZ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"73049a4f153d3cd056aea8a7481aac931230ccbc93db860b21d3141a5a7871b2","cross_cats_sorted":["hep-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-04-28T05:17:55Z","title_canon_sha256":"8670f06bd85528f59dde176ab3059e6d2a9b1be032abfdec6cff846daafc2d42"},"schema_version":"1.0","source":{"id":"1504.07346","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.07346","created_at":"2026-05-18T00:15:05Z"},{"alias_kind":"arxiv_version","alias_value":"1504.07346v2","created_at":"2026-05-18T00:15:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.07346","created_at":"2026-05-18T00:15:05Z"},{"alias_kind":"pith_short_12","alias_value":"C2EZYLJCLL5U","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"C2EZYLJCLL5UJZ5S","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"C2EZYLJC","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:cfb553686964a5d1729f88cec3f03d60d1d90ccb35168d3f45f5c25b3b211939","target":"graph","created_at":"2026-05-18T00:15:05Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The prediction of the cross section $\\sigma(\\gamma\\gamma^*(Q^2)\\to \\eta\\pi^0)$ based on the simultaneous description of the Belle data on the $\\gamma\\gamma\\to \\eta\\pi^0$ reaction and the KLOE data on the $\\phi\\to\\eta\\pi^0\\gamma$ decay is presented. The production of the scalar $a_0(980)$ and tensor $a_2(1320)$ is studied in detail. It is shown that the QCD based asymptotics of the $\\gamma^*(Q^2)\\gamma\\to a_2(1320)\\to\\eta\\pi^0$ cross section can be reached by the compensation of the contributions of $\\rho(770)$ and $\\omega(782)$ with the contributions of their radial excitations in $Q^2$ channe","authors_text":"A.V. Kiselev, G.N. Shestakov, N.N. Achasov","cross_cats":["hep-ex","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-04-28T05:17:55Z","title":"Comparative study of the scalar- and tensor-meson production in the reaction $\\gamma\\gamma^*(Q^2)\\to \\eta\\pi^0$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.07346","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:20c49c0a46e40ed7c9cc9a96fd3863219956098e101fcda00a8fa486d998d4da","target":"record","created_at":"2026-05-18T00:15:05Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"73049a4f153d3cd056aea8a7481aac931230ccbc93db860b21d3141a5a7871b2","cross_cats_sorted":["hep-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-04-28T05:17:55Z","title_canon_sha256":"8670f06bd85528f59dde176ab3059e6d2a9b1be032abfdec6cff846daafc2d42"},"schema_version":"1.0","source":{"id":"1504.07346","kind":"arxiv","version":2}},"canonical_sha256":"16899c2d225afb44e7b2264e6e5eccbe6a8e202b7b2219da1fcd92d0aec43469","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"16899c2d225afb44e7b2264e6e5eccbe6a8e202b7b2219da1fcd92d0aec43469","first_computed_at":"2026-05-18T00:15:05.852702Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:15:05.852702Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cWmL7RqP70g+M3ObBGgzFVCmLEqdoouTAyFUdV3WfX4LM2Za+6wKqhRc6l1i2Rv6I9TbeZOXcYgJoU5HgiXXCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:15:05.853440Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.07346","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:20c49c0a46e40ed7c9cc9a96fd3863219956098e101fcda00a8fa486d998d4da","sha256:cfb553686964a5d1729f88cec3f03d60d1d90ccb35168d3f45f5c25b3b211939"],"state_sha256":"d69cf5cc981f46e8c1f9c182487f5b4464d2ab0191900e8163e58d004e9274ac"}