{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2001:3XBAOZGIVK5NU5NJDEXB66GCLE","short_pith_number":"pith:3XBAOZGI","schema_version":"1.0","canonical_sha256":"ddc20764c8aabada75a9192e1f78c259235707389c95ff1ceb9f5c345a38683e","source":{"kind":"arxiv","id":"hep-ph/0105073","version":2},"attestation_state":"computed","paper":{"title":"B -> K(*) Kbar(*) Decays: A New Method for Measuring the CP Phase \\alpha","license":"","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Alakabha Datta, David London","submitted_at":"2001-05-08T19:13:13Z","abstract_excerpt":"We present a new method for measuring the CP phase \\alpha. It requires the measurement of the pure penguin decays Bd(t) -> K(*) Kbar(*) and B_s -> K(*) Kbar(*). The method is quite clean: we estimate the theoretical uncertainty to be at most 5%. By applying the method to several K(*) Kbar(*) final states, \\alpha can be extracted with a fourfold ambiguity. An additional assumption reduces this ambiguity to twofold: {\\alpha, \\alpha + \\pi}. Since no \\pi0 detection is needed, this method can be used at hadron colliders."},"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/0105073","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2001-05-08T19:13:13Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"066db4df7d455d721bc7ac56f03c2a8299b4d4d88e5497cfe65d51f060115291","abstract_canon_sha256":"dd79b381d65079a76128b6e35f69db9933708d39d5fc035df9bdabb59117cd12"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:29.696340Z","signature_b64":"pgwfc4u4H14BZ+u089MUL/U4PMYVBHhMd3F7ImQ41RTST2YxFL7mjzga202CDKpvrFOsU26HN3/qokpvTqgTCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ddc20764c8aabada75a9192e1f78c259235707389c95ff1ceb9f5c345a38683e","last_reissued_at":"2026-05-18T00:37:29.695890Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:29.695890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"B -> K(*) Kbar(*) Decays: A New Method for Measuring the CP Phase \\alpha","license":"","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Alakabha Datta, David London","submitted_at":"2001-05-08T19:13:13Z","abstract_excerpt":"We present a new method for measuring the CP phase \\alpha. It requires the measurement of the pure penguin decays Bd(t) -> K(*) Kbar(*) and B_s -> K(*) Kbar(*). The method is quite clean: we estimate the theoretical uncertainty to be at most 5%. By applying the method to several K(*) Kbar(*) final states, \\alpha can be extracted with a fourfold ambiguity. An additional assumption reduces this ambiguity to twofold: {\\alpha, \\alpha + \\pi}. Since no \\pi0 detection is needed, this method can be used at hadron colliders."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0105073","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-ph/0105073","created_at":"2026-05-18T00:37:29.695951+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0105073v2","created_at":"2026-05-18T00:37:29.695951+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0105073","created_at":"2026-05-18T00:37:29.695951+00:00"},{"alias_kind":"pith_short_12","alias_value":"3XBAOZGIVK5N","created_at":"2026-05-18T12:25:50.254431+00:00"},{"alias_kind":"pith_short_16","alias_value":"3XBAOZGIVK5NU5NJ","created_at":"2026-05-18T12:25:50.254431+00:00"},{"alias_kind":"pith_short_8","alias_value":"3XBAOZGI","created_at":"2026-05-18T12:25:50.254431+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/3XBAOZGIVK5NU5NJDEXB66GCLE","json":"https://pith.science/pith/3XBAOZGIVK5NU5NJDEXB66GCLE.json","graph_json":"https://pith.science/api/pith-number/3XBAOZGIVK5NU5NJDEXB66GCLE/graph.json","events_json":"https://pith.science/api/pith-number/3XBAOZGIVK5NU5NJDEXB66GCLE/events.json","paper":"https://pith.science/paper/3XBAOZGI"},"agent_actions":{"view_html":"https://pith.science/pith/3XBAOZGIVK5NU5NJDEXB66GCLE","download_json":"https://pith.science/pith/3XBAOZGIVK5NU5NJDEXB66GCLE.json","view_paper":"https://pith.science/paper/3XBAOZGI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/0105073&json=true","fetch_graph":"https://pith.science/api/pith-number/3XBAOZGIVK5NU5NJDEXB66GCLE/graph.json","fetch_events":"https://pith.science/api/pith-number/3XBAOZGIVK5NU5NJDEXB66GCLE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3XBAOZGIVK5NU5NJDEXB66GCLE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3XBAOZGIVK5NU5NJDEXB66GCLE/action/storage_attestation","attest_author":"https://pith.science/pith/3XBAOZGIVK5NU5NJDEXB66GCLE/action/author_attestation","sign_citation":"https://pith.science/pith/3XBAOZGIVK5NU5NJDEXB66GCLE/action/citation_signature","submit_replication":"https://pith.science/pith/3XBAOZGIVK5NU5NJDEXB66GCLE/action/replication_record"}},"created_at":"2026-05-18T00:37:29.695951+00:00","updated_at":"2026-05-18T00:37:29.695951+00:00"}