{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:GHTWFZBOR6MQXXJZJWYL3QOI2I","short_pith_number":"pith:GHTWFZBO","schema_version":"1.0","canonical_sha256":"31e762e42e8f990bdd394db0bdc1c8d2043a49885b461c56442c25ed55cc92b4","source":{"kind":"arxiv","id":"1202.3300","version":2},"attestation_state":"computed","paper":{"title":"CP violation in $D^0 \\to (K^- K^+, \\pi^- \\pi^+)$ from diquarks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Chao-Qiang Geng, Chuan-Hung Chen, Wei Wang","submitted_at":"2012-02-15T13:21:35Z","abstract_excerpt":"The explanation of the large CP asymmetries in $D^0\\to (\\pi^+\\pi^-, K^+K^-)$ decays observed by the LHCb collaboration is likely to call for new physics beyond the CKM paradigm. We explore new contributions caused by the color-sextet scalar diquark, and demonstrate that the diquark with the mass of order 1 TeV and nominal couplings with quarks can generate the CP asymmetries at the percent level. Using the experimental data on branching ratios and CP asymmetries of $D^0\\to (\\pi^+\\pi^-, K^+K^-)$, we derive the constraints on the diquark mass and couplings, which can be further examined on hadro"},"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":"1202.3300","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-02-15T13:21:35Z","cross_cats_sorted":[],"title_canon_sha256":"a9a07051a565a7676e7d846dfb383c83c1af3e036773a8cf15e5160b20f19445","abstract_canon_sha256":"776c647ac6c4f8cfe84e0923ff7aab746ac4e171ae3481b3c1fb9d82ed3a44d2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:57:28.347635Z","signature_b64":"5STZE4dqWUBRol5rV64QH8Y6/A6jxz4WWZlRBT85uNnRpjcjs76gZcoVMdIKLeDevdDWktDnHIgi1BIfCv3RDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"31e762e42e8f990bdd394db0bdc1c8d2043a49885b461c56442c25ed55cc92b4","last_reissued_at":"2026-05-18T03:57:28.346856Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:57:28.346856Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"CP violation in $D^0 \\to (K^- K^+, \\pi^- \\pi^+)$ from diquarks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Chao-Qiang Geng, Chuan-Hung Chen, Wei Wang","submitted_at":"2012-02-15T13:21:35Z","abstract_excerpt":"The explanation of the large CP asymmetries in $D^0\\to (\\pi^+\\pi^-, K^+K^-)$ decays observed by the LHCb collaboration is likely to call for new physics beyond the CKM paradigm. We explore new contributions caused by the color-sextet scalar diquark, and demonstrate that the diquark with the mass of order 1 TeV and nominal couplings with quarks can generate the CP asymmetries at the percent level. Using the experimental data on branching ratios and CP asymmetries of $D^0\\to (\\pi^+\\pi^-, K^+K^-)$, we derive the constraints on the diquark mass and couplings, which can be further examined on hadro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.3300","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":"1202.3300","created_at":"2026-05-18T03:57:28.346980+00:00"},{"alias_kind":"arxiv_version","alias_value":"1202.3300v2","created_at":"2026-05-18T03:57:28.346980+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.3300","created_at":"2026-05-18T03:57:28.346980+00:00"},{"alias_kind":"pith_short_12","alias_value":"GHTWFZBOR6MQ","created_at":"2026-05-18T12:27:06.952714+00:00"},{"alias_kind":"pith_short_16","alias_value":"GHTWFZBOR6MQXXJZ","created_at":"2026-05-18T12:27:06.952714+00:00"},{"alias_kind":"pith_short_8","alias_value":"GHTWFZBO","created_at":"2026-05-18T12:27:06.952714+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/GHTWFZBOR6MQXXJZJWYL3QOI2I","json":"https://pith.science/pith/GHTWFZBOR6MQXXJZJWYL3QOI2I.json","graph_json":"https://pith.science/api/pith-number/GHTWFZBOR6MQXXJZJWYL3QOI2I/graph.json","events_json":"https://pith.science/api/pith-number/GHTWFZBOR6MQXXJZJWYL3QOI2I/events.json","paper":"https://pith.science/paper/GHTWFZBO"},"agent_actions":{"view_html":"https://pith.science/pith/GHTWFZBOR6MQXXJZJWYL3QOI2I","download_json":"https://pith.science/pith/GHTWFZBOR6MQXXJZJWYL3QOI2I.json","view_paper":"https://pith.science/paper/GHTWFZBO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1202.3300&json=true","fetch_graph":"https://pith.science/api/pith-number/GHTWFZBOR6MQXXJZJWYL3QOI2I/graph.json","fetch_events":"https://pith.science/api/pith-number/GHTWFZBOR6MQXXJZJWYL3QOI2I/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GHTWFZBOR6MQXXJZJWYL3QOI2I/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GHTWFZBOR6MQXXJZJWYL3QOI2I/action/storage_attestation","attest_author":"https://pith.science/pith/GHTWFZBOR6MQXXJZJWYL3QOI2I/action/author_attestation","sign_citation":"https://pith.science/pith/GHTWFZBOR6MQXXJZJWYL3QOI2I/action/citation_signature","submit_replication":"https://pith.science/pith/GHTWFZBOR6MQXXJZJWYL3QOI2I/action/replication_record"}},"created_at":"2026-05-18T03:57:28.346980+00:00","updated_at":"2026-05-18T03:57:28.346980+00:00"}