{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1994:QFAAJ2ODVMF7WN3FCURVNOYJ6H","short_pith_number":"pith:QFAAJ2OD","schema_version":"1.0","canonical_sha256":"814004e9c3ab0bfb3765152356bb09f1f20620c966d3fa1f24b783d8abbcb31e","source":{"kind":"arxiv","id":"hep-ph/9402347","version":1},"attestation_state":"computed","paper":{"title":"Direct CP Violation in K_L --> \\pi^0 e^+e^- Beyond Leading Logarithms","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A.J. Buras, M.E. Lautenbacher, M. Misiak, M. M\"unz","submitted_at":"1994-02-24T14:37:57Z","abstract_excerpt":"We analyze the direct CP violation in the rare decay K_L --> Pi^0 e+e- with QCD effects taken into account consistently in the next-to-leading order. We calculate the two-loop mixing between the four-quark \\Delta S=1 operators and the operator Q_7V = (sd)_(V-A)(ee)_V in the NDR and HV renormalization schemes. Using the known two-loop anomalous dimension matrix of the four-quark operators, we find that the coefficient C_7V(\\mu) depends only very weakly on \\mu, renormalization scheme and \\Lambda_MSbar. The next-to-leading QCD corrections enhance the direct CP violating contribution over its lead"},"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/9402347","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1994-02-24T14:37:57Z","cross_cats_sorted":[],"title_canon_sha256":"5481b9563566f09c673857a412bf7e8f2497e84160b62d49f8df14d0a0dbc2af","abstract_canon_sha256":"ff2ab0611d20a314ff2238254817b4afdc98b2f41df0ec54c892a9d599fdf265"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:37:45.783844Z","signature_b64":"LHp0XDj89Eoz+7qVpKKEMzF3I83PgjXfITBB6abXief3leW7mkNvGI9nekRXY+CgPXKzqgMZoj8LVT4NSFQeBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"814004e9c3ab0bfb3765152356bb09f1f20620c966d3fa1f24b783d8abbcb31e","last_reissued_at":"2026-05-18T04:37:45.783231Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:37:45.783231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Direct CP Violation in K_L --> \\pi^0 e^+e^- Beyond Leading Logarithms","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A.J. Buras, M.E. Lautenbacher, M. Misiak, M. M\"unz","submitted_at":"1994-02-24T14:37:57Z","abstract_excerpt":"We analyze the direct CP violation in the rare decay K_L --> Pi^0 e+e- with QCD effects taken into account consistently in the next-to-leading order. We calculate the two-loop mixing between the four-quark \\Delta S=1 operators and the operator Q_7V = (sd)_(V-A)(ee)_V in the NDR and HV renormalization schemes. Using the known two-loop anomalous dimension matrix of the four-quark operators, we find that the coefficient C_7V(\\mu) depends only very weakly on \\mu, renormalization scheme and \\Lambda_MSbar. The next-to-leading QCD corrections enhance the direct CP violating contribution over its lead"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9402347","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/9402347","created_at":"2026-05-18T04:37:45.783322+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9402347v1","created_at":"2026-05-18T04:37:45.783322+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9402347","created_at":"2026-05-18T04:37:45.783322+00:00"},{"alias_kind":"pith_short_12","alias_value":"QFAAJ2ODVMF7","created_at":"2026-05-18T12:25:47.102015+00:00"},{"alias_kind":"pith_short_16","alias_value":"QFAAJ2ODVMF7WN3F","created_at":"2026-05-18T12:25:47.102015+00:00"},{"alias_kind":"pith_short_8","alias_value":"QFAAJ2OD","created_at":"2026-05-18T12:25:47.102015+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/QFAAJ2ODVMF7WN3FCURVNOYJ6H","json":"https://pith.science/pith/QFAAJ2ODVMF7WN3FCURVNOYJ6H.json","graph_json":"https://pith.science/api/pith-number/QFAAJ2ODVMF7WN3FCURVNOYJ6H/graph.json","events_json":"https://pith.science/api/pith-number/QFAAJ2ODVMF7WN3FCURVNOYJ6H/events.json","paper":"https://pith.science/paper/QFAAJ2OD"},"agent_actions":{"view_html":"https://pith.science/pith/QFAAJ2ODVMF7WN3FCURVNOYJ6H","download_json":"https://pith.science/pith/QFAAJ2ODVMF7WN3FCURVNOYJ6H.json","view_paper":"https://pith.science/paper/QFAAJ2OD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/9402347&json=true","fetch_graph":"https://pith.science/api/pith-number/QFAAJ2ODVMF7WN3FCURVNOYJ6H/graph.json","fetch_events":"https://pith.science/api/pith-number/QFAAJ2ODVMF7WN3FCURVNOYJ6H/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QFAAJ2ODVMF7WN3FCURVNOYJ6H/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QFAAJ2ODVMF7WN3FCURVNOYJ6H/action/storage_attestation","attest_author":"https://pith.science/pith/QFAAJ2ODVMF7WN3FCURVNOYJ6H/action/author_attestation","sign_citation":"https://pith.science/pith/QFAAJ2ODVMF7WN3FCURVNOYJ6H/action/citation_signature","submit_replication":"https://pith.science/pith/QFAAJ2ODVMF7WN3FCURVNOYJ6H/action/replication_record"}},"created_at":"2026-05-18T04:37:45.783322+00:00","updated_at":"2026-05-18T04:37:45.783322+00:00"}