{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:5U4O5M7U7HG4X6FISGDSZ5EH7I","short_pith_number":"pith:5U4O5M7U","schema_version":"1.0","canonical_sha256":"ed38eeb3f4f9cdcbf8a891872cf487fa0a00f9f2753517921fc0dbfd04976a19","source":{"kind":"arxiv","id":"1903.01448","version":2},"attestation_state":"computed","paper":{"title":"The doubly virtual $(\\pi^0,\\eta,\\eta')\\to\\gamma^*\\gamma^*$ transition form factors in the light-front quark model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"Chueng-Ryong Ji, Ho-Meoyng Choi, Hui-Young Ryu","submitted_at":"2019-03-03T23:33:58Z","abstract_excerpt":"We report our investigation on the doubly virtual TFFs $F_{{\\rm P}\\gamma^*}(Q^2_1,Q^2_2)$ for the ${\\rm P}\\to\\gamma^*(q_1)\\gamma^*(q_2) \\;({\\rm P}=\\pi^0,\\eta,\\eta')$ transitions using the light-front quark model (LFQM). Performing a LF calculation in the exactly solvable manifestly covariant Bethe-Salpeter (BS) model as the first illustration, we used $q^+_1=0$ frame and found that both LF and manifestly covariant calculations produce exactly the same results for $F_{{\\rm P}\\gamma^*}(Q^2_1,Q^2_2)$. This confirms the absence of the LF zero mode in the doubly virtual TFFs. We then mapped this co"},"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":"1903.01448","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-03-03T23:33:58Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"d7900dcac802ed20d964fdbeea3acbab98d59fd5997c15900f4f2b3bc9ba8edf","abstract_canon_sha256":"1a4c4755380f676acab86764d09e8f75cec191c3e3dfe80edad8d84cc583a5a2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:57.891402Z","signature_b64":"7BBr9i/5LakStt/D09aFFKFdbdQiAScTt+V7pl+O22BoQUmcc6+QMl1ACZ6Q5UxD5tVu90gLSYDxUlhI6kvAAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ed38eeb3f4f9cdcbf8a891872cf487fa0a00f9f2753517921fc0dbfd04976a19","last_reissued_at":"2026-05-17T23:47:57.890903Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:57.890903Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The doubly virtual $(\\pi^0,\\eta,\\eta')\\to\\gamma^*\\gamma^*$ transition form factors in the light-front quark model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"Chueng-Ryong Ji, Ho-Meoyng Choi, Hui-Young Ryu","submitted_at":"2019-03-03T23:33:58Z","abstract_excerpt":"We report our investigation on the doubly virtual TFFs $F_{{\\rm P}\\gamma^*}(Q^2_1,Q^2_2)$ for the ${\\rm P}\\to\\gamma^*(q_1)\\gamma^*(q_2) \\;({\\rm P}=\\pi^0,\\eta,\\eta')$ transitions using the light-front quark model (LFQM). Performing a LF calculation in the exactly solvable manifestly covariant Bethe-Salpeter (BS) model as the first illustration, we used $q^+_1=0$ frame and found that both LF and manifestly covariant calculations produce exactly the same results for $F_{{\\rm P}\\gamma^*}(Q^2_1,Q^2_2)$. This confirms the absence of the LF zero mode in the doubly virtual TFFs. We then mapped this co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.01448","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":"1903.01448","created_at":"2026-05-17T23:47:57.890978+00:00"},{"alias_kind":"arxiv_version","alias_value":"1903.01448v2","created_at":"2026-05-17T23:47:57.890978+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.01448","created_at":"2026-05-17T23:47:57.890978+00:00"},{"alias_kind":"pith_short_12","alias_value":"5U4O5M7U7HG4","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_16","alias_value":"5U4O5M7U7HG4X6FI","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_8","alias_value":"5U4O5M7U","created_at":"2026-05-18T12:33:10.108867+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/5U4O5M7U7HG4X6FISGDSZ5EH7I","json":"https://pith.science/pith/5U4O5M7U7HG4X6FISGDSZ5EH7I.json","graph_json":"https://pith.science/api/pith-number/5U4O5M7U7HG4X6FISGDSZ5EH7I/graph.json","events_json":"https://pith.science/api/pith-number/5U4O5M7U7HG4X6FISGDSZ5EH7I/events.json","paper":"https://pith.science/paper/5U4O5M7U"},"agent_actions":{"view_html":"https://pith.science/pith/5U4O5M7U7HG4X6FISGDSZ5EH7I","download_json":"https://pith.science/pith/5U4O5M7U7HG4X6FISGDSZ5EH7I.json","view_paper":"https://pith.science/paper/5U4O5M7U","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1903.01448&json=true","fetch_graph":"https://pith.science/api/pith-number/5U4O5M7U7HG4X6FISGDSZ5EH7I/graph.json","fetch_events":"https://pith.science/api/pith-number/5U4O5M7U7HG4X6FISGDSZ5EH7I/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5U4O5M7U7HG4X6FISGDSZ5EH7I/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5U4O5M7U7HG4X6FISGDSZ5EH7I/action/storage_attestation","attest_author":"https://pith.science/pith/5U4O5M7U7HG4X6FISGDSZ5EH7I/action/author_attestation","sign_citation":"https://pith.science/pith/5U4O5M7U7HG4X6FISGDSZ5EH7I/action/citation_signature","submit_replication":"https://pith.science/pith/5U4O5M7U7HG4X6FISGDSZ5EH7I/action/replication_record"}},"created_at":"2026-05-17T23:47:57.890978+00:00","updated_at":"2026-05-17T23:47:57.890978+00:00"}