{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1997:7Y6RTCQJTLTO3VA62SB6YBIXRN","short_pith_number":"pith:7Y6RTCQJ","schema_version":"1.0","canonical_sha256":"fe3d198a099ae6edd41ed483ec05178b77200a05c4fba67ad1da35864d8cb2b3","source":{"kind":"arxiv","id":"hep-ex/9711003","version":2},"attestation_state":"computed","paper":{"title":"Branching Fractions for D0 -> K+K- and D0 -> pi+pi-, and a Search for CP Violation in D0 Decays","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et. al, The Fermilab E791 Collaboration: E. M. Aitala","submitted_at":"1997-11-10T21:49:01Z","abstract_excerpt":"Using the large hadroproduced charm sample collected in experiment E791 at Fermilab, we have measured ratios of branching fractions for the two-body singly-Cabibbo-suppressed charged decays of the D0:\n (D0 -> KK)/(D0 -> Kpi) = 0.109 +- 0.003 +- 0.003,\n (D0 -> pipi)/(D0 -> Kpi) = 0.040 +- 0.002 +- 0.003, and\n (D0 -> KK)/(D0 -> pipi) = 2.75 +- 0.15 +- 0.16. We have looked for differences in the decay rates of D0 and D0bar to the CP eigenstates K+K- and pi+pi-, and have measured the CP asymmetry parameters\n A_CP(K+K-) = -0.010 +- 0.049 +- 0.012 and\n A_CP(pi+pi-) = -0.049 +- 0.078 +- 0.030, both c"},"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-ex/9711003","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"1997-11-10T21:49:01Z","cross_cats_sorted":[],"title_canon_sha256":"d64a9851068395c16c4273ce70c41381d125bec66a20784f4895c3081c99e62b","abstract_canon_sha256":"89188b9c00111411c8ebd757ba7319c27af764a3d1bb6a2b29d704fa7155a514"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:43.344698Z","signature_b64":"eRuYpO3HdK8nPTIwO/A2/maQlzVvX6XE/MWI0R29xmHvn9HbsNFnEw1lEUYcVv5LGg9T3v9Z81/cR8Uq0cHgAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe3d198a099ae6edd41ed483ec05178b77200a05c4fba67ad1da35864d8cb2b3","last_reissued_at":"2026-05-18T01:06:43.344164Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:43.344164Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Branching Fractions for D0 -> K+K- and D0 -> pi+pi-, and a Search for CP Violation in D0 Decays","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et. al, The Fermilab E791 Collaboration: E. M. Aitala","submitted_at":"1997-11-10T21:49:01Z","abstract_excerpt":"Using the large hadroproduced charm sample collected in experiment E791 at Fermilab, we have measured ratios of branching fractions for the two-body singly-Cabibbo-suppressed charged decays of the D0:\n (D0 -> KK)/(D0 -> Kpi) = 0.109 +- 0.003 +- 0.003,\n (D0 -> pipi)/(D0 -> Kpi) = 0.040 +- 0.002 +- 0.003, and\n (D0 -> KK)/(D0 -> pipi) = 2.75 +- 0.15 +- 0.16. We have looked for differences in the decay rates of D0 and D0bar to the CP eigenstates K+K- and pi+pi-, and have measured the CP asymmetry parameters\n A_CP(K+K-) = -0.010 +- 0.049 +- 0.012 and\n A_CP(pi+pi-) = -0.049 +- 0.078 +- 0.030, both c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/9711003","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":"hep-ex/9711003","created_at":"2026-05-18T01:06:43.344253+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/9711003v2","created_at":"2026-05-18T01:06:43.344253+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/9711003","created_at":"2026-05-18T01:06:43.344253+00:00"},{"alias_kind":"pith_short_12","alias_value":"7Y6RTCQJTLTO","created_at":"2026-05-18T12:25:48.327863+00:00"},{"alias_kind":"pith_short_16","alias_value":"7Y6RTCQJTLTO3VA6","created_at":"2026-05-18T12:25:48.327863+00:00"},{"alias_kind":"pith_short_8","alias_value":"7Y6RTCQJ","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/7Y6RTCQJTLTO3VA62SB6YBIXRN","json":"https://pith.science/pith/7Y6RTCQJTLTO3VA62SB6YBIXRN.json","graph_json":"https://pith.science/api/pith-number/7Y6RTCQJTLTO3VA62SB6YBIXRN/graph.json","events_json":"https://pith.science/api/pith-number/7Y6RTCQJTLTO3VA62SB6YBIXRN/events.json","paper":"https://pith.science/paper/7Y6RTCQJ"},"agent_actions":{"view_html":"https://pith.science/pith/7Y6RTCQJTLTO3VA62SB6YBIXRN","download_json":"https://pith.science/pith/7Y6RTCQJTLTO3VA62SB6YBIXRN.json","view_paper":"https://pith.science/paper/7Y6RTCQJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ex/9711003&json=true","fetch_graph":"https://pith.science/api/pith-number/7Y6RTCQJTLTO3VA62SB6YBIXRN/graph.json","fetch_events":"https://pith.science/api/pith-number/7Y6RTCQJTLTO3VA62SB6YBIXRN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7Y6RTCQJTLTO3VA62SB6YBIXRN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7Y6RTCQJTLTO3VA62SB6YBIXRN/action/storage_attestation","attest_author":"https://pith.science/pith/7Y6RTCQJTLTO3VA62SB6YBIXRN/action/author_attestation","sign_citation":"https://pith.science/pith/7Y6RTCQJTLTO3VA62SB6YBIXRN/action/citation_signature","submit_replication":"https://pith.science/pith/7Y6RTCQJTLTO3VA62SB6YBIXRN/action/replication_record"}},"created_at":"2026-05-18T01:06:43.344253+00:00","updated_at":"2026-05-18T01:06:43.344253+00:00"}