{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:UKQBIARORU7X2NXZVIKYBHG24V","short_pith_number":"pith:UKQBIARO","schema_version":"1.0","canonical_sha256":"a2a014022e8d3f7d36f9aa15809cdae54e358637c128ee49ebb0370f74cb5715","source":{"kind":"arxiv","id":"0904.1869","version":1},"attestation_state":"computed","paper":{"title":"Three Lectures on Meson Mixing and CKM phenomenology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Ulrich Nierste","submitted_at":"2009-04-12T14:49:16Z","abstract_excerpt":"I give an introduction to the theory of meson-antimeson mixing, aiming at students who plan to work at a flavour physics experiment or intend to do associated theoretical studies. I derive the formulae for the time evolution of a neutral meson system and show how the mass and width differences among the neutral meson eigenstates and the CP phase in mixing are calculated in the Standard Model. Special emphasis is laid on CP violation, which is covered in detail for K mixing, Bd mixing and Bs mixing. I explain the constraints on the apex (rho-bar,eta-bar) of the unitarity triangle implied by eps"},"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":"0904.1869","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-04-12T14:49:16Z","cross_cats_sorted":[],"title_canon_sha256":"aa7467427a3154f96219956fea51c7ff202ff0a3e6dc1f98b6391b42fdfbff27","abstract_canon_sha256":"c94f32abe65e126ab9deb27397962ee69dc7eb768a88f4c9746c0c3064c07347"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:41:06.423876Z","signature_b64":"WrI9p0+431MPeY6pN71MlAMXGuD/sKoDCXNjNRCc+9Bdma6fGUtaGSWoGjyQUXAzAAzC1xwEkCVUnN86NP4GCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a2a014022e8d3f7d36f9aa15809cdae54e358637c128ee49ebb0370f74cb5715","last_reissued_at":"2026-07-04T15:41:06.423492Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:41:06.423492Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Three Lectures on Meson Mixing and CKM phenomenology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Ulrich Nierste","submitted_at":"2009-04-12T14:49:16Z","abstract_excerpt":"I give an introduction to the theory of meson-antimeson mixing, aiming at students who plan to work at a flavour physics experiment or intend to do associated theoretical studies. I derive the formulae for the time evolution of a neutral meson system and show how the mass and width differences among the neutral meson eigenstates and the CP phase in mixing are calculated in the Standard Model. Special emphasis is laid on CP violation, which is covered in detail for K mixing, Bd mixing and Bs mixing. I explain the constraints on the apex (rho-bar,eta-bar) of the unitarity triangle implied by eps"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.1869","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0904.1869/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"0904.1869","created_at":"2026-07-04T15:41:06.423554+00:00"},{"alias_kind":"arxiv_version","alias_value":"0904.1869v1","created_at":"2026-07-04T15:41:06.423554+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.1869","created_at":"2026-07-04T15:41:06.423554+00:00"},{"alias_kind":"pith_short_12","alias_value":"UKQBIARORU7X","created_at":"2026-07-04T15:41:06.423554+00:00"},{"alias_kind":"pith_short_16","alias_value":"UKQBIARORU7X2NXZ","created_at":"2026-07-04T15:41:06.423554+00:00"},{"alias_kind":"pith_short_8","alias_value":"UKQBIARO","created_at":"2026-07-04T15:41:06.423554+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2505.22740","citing_title":"Current-current operator contribution to the decay matrix in $B$-meson mixing at next-to-next-to-leading order of QCD","ref_index":31,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/UKQBIARORU7X2NXZVIKYBHG24V","json":"https://pith.science/pith/UKQBIARORU7X2NXZVIKYBHG24V.json","graph_json":"https://pith.science/api/pith-number/UKQBIARORU7X2NXZVIKYBHG24V/graph.json","events_json":"https://pith.science/api/pith-number/UKQBIARORU7X2NXZVIKYBHG24V/events.json","paper":"https://pith.science/paper/UKQBIARO"},"agent_actions":{"view_html":"https://pith.science/pith/UKQBIARORU7X2NXZVIKYBHG24V","download_json":"https://pith.science/pith/UKQBIARORU7X2NXZVIKYBHG24V.json","view_paper":"https://pith.science/paper/UKQBIARO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0904.1869&json=true","fetch_graph":"https://pith.science/api/pith-number/UKQBIARORU7X2NXZVIKYBHG24V/graph.json","fetch_events":"https://pith.science/api/pith-number/UKQBIARORU7X2NXZVIKYBHG24V/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UKQBIARORU7X2NXZVIKYBHG24V/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UKQBIARORU7X2NXZVIKYBHG24V/action/storage_attestation","attest_author":"https://pith.science/pith/UKQBIARORU7X2NXZVIKYBHG24V/action/author_attestation","sign_citation":"https://pith.science/pith/UKQBIARORU7X2NXZVIKYBHG24V/action/citation_signature","submit_replication":"https://pith.science/pith/UKQBIARORU7X2NXZVIKYBHG24V/action/replication_record"}},"created_at":"2026-07-04T15:41:06.423554+00:00","updated_at":"2026-07-04T15:41:06.423554+00:00"}