{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1996:N73EGTHGUCYIYYCXV7GXCUICD7","short_pith_number":"pith:N73EGTHG","schema_version":"1.0","canonical_sha256":"6ff6434ce6a0b08c6057afcd7151021fd1a5f5317e863a10def2e4ddaf605074","source":{"kind":"arxiv","id":"hep-ph/9602201","version":1},"attestation_state":"computed","paper":{"title":"First Lattice Study of the Form Factors A_0 and A_3 in the Decay Bbar^0 to rho^+ l^- nubar_l","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"J M Flynn, J Nieves, UKQCD Collaboration","submitted_at":"1996-02-01T09:42:06Z","abstract_excerpt":"We report on a lattice calculation of the form factors A_0 and A_3 for the pseudoscalar to vector meson semileptonic decay Bbar^0 to rho^+ l^- nubar_l. We find that resonant (or pole-type) contributions alone are unable to describe these two form factors simultaneously. For the quantity A_0(q^2=0), which is important phenomenologically for the determination of |Vub|, we extract a range of values, A_0(q^2=0) = (0.16--0.35) +0.09-0.06, where the range is due to systematic uncertainty and the quoted error is statistical. We have also determined A_2(q^2=0) = 0.28 +0.09-0.06 +0.04-0.05."},"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":"hep-ph/9602201","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1996-02-01T09:42:06Z","cross_cats_sorted":[],"title_canon_sha256":"3a5fbff932da8f83b4a042a9bcc43077c9d3f52efe757c92aaca4b2fbf87cacd","abstract_canon_sha256":"773f0af61aecaa8da73b61040da94e0c3b62d34883d25468a7a0fcfa27f2a423"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:38:59.779079Z","signature_b64":"wCISzK8Nm1IwU70PmlJK9wmbxA3659nvIJje5+K7yC8sB8FTdydkfOIU77tvxbw9MeylI5+GbURCx8RQAAdyBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6ff6434ce6a0b08c6057afcd7151021fd1a5f5317e863a10def2e4ddaf605074","last_reissued_at":"2026-05-18T01:38:59.778276Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:38:59.778276Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"First Lattice Study of the Form Factors A_0 and A_3 in the Decay Bbar^0 to rho^+ l^- nubar_l","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"J M Flynn, J Nieves, UKQCD Collaboration","submitted_at":"1996-02-01T09:42:06Z","abstract_excerpt":"We report on a lattice calculation of the form factors A_0 and A_3 for the pseudoscalar to vector meson semileptonic decay Bbar^0 to rho^+ l^- nubar_l. We find that resonant (or pole-type) contributions alone are unable to describe these two form factors simultaneously. For the quantity A_0(q^2=0), which is important phenomenologically for the determination of |Vub|, we extract a range of values, A_0(q^2=0) = (0.16--0.35) +0.09-0.06, where the range is due to systematic uncertainty and the quoted error is statistical. We have also determined A_2(q^2=0) = 0.28 +0.09-0.06 +0.04-0.05."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9602201","kind":"arxiv","version":1},"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":"hep-ph/9602201","created_at":"2026-05-18T01:38:59.778427+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9602201v1","created_at":"2026-05-18T01:38:59.778427+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9602201","created_at":"2026-05-18T01:38:59.778427+00:00"},{"alias_kind":"pith_short_12","alias_value":"N73EGTHGUCYI","created_at":"2026-05-18T12:25:48.327863+00:00"},{"alias_kind":"pith_short_16","alias_value":"N73EGTHGUCYIYYCX","created_at":"2026-05-18T12:25:48.327863+00:00"},{"alias_kind":"pith_short_8","alias_value":"N73EGTHG","created_at":"2026-05-18T12:25:48.327863+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/N73EGTHGUCYIYYCXV7GXCUICD7","json":"https://pith.science/pith/N73EGTHGUCYIYYCXV7GXCUICD7.json","graph_json":"https://pith.science/api/pith-number/N73EGTHGUCYIYYCXV7GXCUICD7/graph.json","events_json":"https://pith.science/api/pith-number/N73EGTHGUCYIYYCXV7GXCUICD7/events.json","paper":"https://pith.science/paper/N73EGTHG"},"agent_actions":{"view_html":"https://pith.science/pith/N73EGTHGUCYIYYCXV7GXCUICD7","download_json":"https://pith.science/pith/N73EGTHGUCYIYYCXV7GXCUICD7.json","view_paper":"https://pith.science/paper/N73EGTHG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/9602201&json=true","fetch_graph":"https://pith.science/api/pith-number/N73EGTHGUCYIYYCXV7GXCUICD7/graph.json","fetch_events":"https://pith.science/api/pith-number/N73EGTHGUCYIYYCXV7GXCUICD7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/N73EGTHGUCYIYYCXV7GXCUICD7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/N73EGTHGUCYIYYCXV7GXCUICD7/action/storage_attestation","attest_author":"https://pith.science/pith/N73EGTHGUCYIYYCXV7GXCUICD7/action/author_attestation","sign_citation":"https://pith.science/pith/N73EGTHGUCYIYYCXV7GXCUICD7/action/citation_signature","submit_replication":"https://pith.science/pith/N73EGTHGUCYIYYCXV7GXCUICD7/action/replication_record"}},"created_at":"2026-05-18T01:38:59.778427+00:00","updated_at":"2026-05-18T01:38:59.778427+00:00"}