{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1997:5H4ICZKSWFDGZ7NQHUWJOLTCNT","short_pith_number":"pith:5H4ICZKS","schema_version":"1.0","canonical_sha256":"e9f8816552b1466cfdb03d2c972e626cfb5b8b4a7ae68087be1f3c6647ad9447","source":{"kind":"arxiv","id":"hep-ex/9704012","version":1},"attestation_state":"computed","paper":{"title":"First Measurement of Leptonic Coupling Asymmetries with Polarized Z bosons","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al, K. Abe, T. Akagi, The SLD Collaboration: K. Abe","submitted_at":"1997-04-24T00:43:44Z","abstract_excerpt":"We present direct measurements of the $Z^0$-lepton coupling asymmetry parameters, $A_e$, $A_\\mu$, and $A_\\tau$, based on a data sample of 12,063 leptonic $Z^0$ decays collected by the SLD detector. The $Z$ bosons are produced in collisions of beams of polarized $e^-$ with unpolarized $e^+$ at the SLAC Linear Collider. The couplings are extracted from the measurement of the left-right and forward-backward asymmetries for each lepton species. The results are: $A_e=0.152 \\pm 0.012 {(stat)} \\pm 0.001 {(syst)}$, $A_\\mu=0.102 \\pm 0.034 \\pm 0.002$, and $A_\\tau=0.195 \\pm 0.034 \\pm 0.003$."},"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/9704012","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"1997-04-24T00:43:44Z","cross_cats_sorted":[],"title_canon_sha256":"b769b6190be16d400ce0511396fac7beb1380b5ab2b0b535d7d6d0113c8e9ab8","abstract_canon_sha256":"d5756d370b9d7f31179c889b8146b1f4de6f469c04cdb656bb8b4ea1ffce52be"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:32:15.732543Z","signature_b64":"WLuEYzDxXRMKKQvRRbjK3JmTLYtVQmfdjUWhxm7+g6FzZd8yNVJz0HX8l5dM2CwbXElvU1ePLQXwU8nt9akLAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9f8816552b1466cfdb03d2c972e626cfb5b8b4a7ae68087be1f3c6647ad9447","last_reissued_at":"2026-07-04T15:32:15.732164Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:32:15.732164Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"First Measurement of Leptonic Coupling Asymmetries with Polarized Z bosons","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al, K. Abe, T. Akagi, The SLD Collaboration: K. Abe","submitted_at":"1997-04-24T00:43:44Z","abstract_excerpt":"We present direct measurements of the $Z^0$-lepton coupling asymmetry parameters, $A_e$, $A_\\mu$, and $A_\\tau$, based on a data sample of 12,063 leptonic $Z^0$ decays collected by the SLD detector. The $Z$ bosons are produced in collisions of beams of polarized $e^-$ with unpolarized $e^+$ at the SLAC Linear Collider. The couplings are extracted from the measurement of the left-right and forward-backward asymmetries for each lepton species. The results are: $A_e=0.152 \\pm 0.012 {(stat)} \\pm 0.001 {(syst)}$, $A_\\mu=0.102 \\pm 0.034 \\pm 0.002$, and $A_\\tau=0.195 \\pm 0.034 \\pm 0.003$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/9704012","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/hep-ex/9704012/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":"hep-ex/9704012","created_at":"2026-07-04T15:32:15.732220+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/9704012v1","created_at":"2026-07-04T15:32:15.732220+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/9704012","created_at":"2026-07-04T15:32:15.732220+00:00"},{"alias_kind":"pith_short_12","alias_value":"5H4ICZKSWFDG","created_at":"2026-07-04T15:32:15.732220+00:00"},{"alias_kind":"pith_short_16","alias_value":"5H4ICZKSWFDGZ7NQ","created_at":"2026-07-04T15:32:15.732220+00:00"},{"alias_kind":"pith_short_8","alias_value":"5H4ICZKS","created_at":"2026-07-04T15:32:15.732220+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2501.05256","citing_title":"New Physics contamination to precision luminosity measurements at future $e^+e^-$ colliders","ref_index":99,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/5H4ICZKSWFDGZ7NQHUWJOLTCNT","json":"https://pith.science/pith/5H4ICZKSWFDGZ7NQHUWJOLTCNT.json","graph_json":"https://pith.science/api/pith-number/5H4ICZKSWFDGZ7NQHUWJOLTCNT/graph.json","events_json":"https://pith.science/api/pith-number/5H4ICZKSWFDGZ7NQHUWJOLTCNT/events.json","paper":"https://pith.science/paper/5H4ICZKS"},"agent_actions":{"view_html":"https://pith.science/pith/5H4ICZKSWFDGZ7NQHUWJOLTCNT","download_json":"https://pith.science/pith/5H4ICZKSWFDGZ7NQHUWJOLTCNT.json","view_paper":"https://pith.science/paper/5H4ICZKS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ex/9704012&json=true","fetch_graph":"https://pith.science/api/pith-number/5H4ICZKSWFDGZ7NQHUWJOLTCNT/graph.json","fetch_events":"https://pith.science/api/pith-number/5H4ICZKSWFDGZ7NQHUWJOLTCNT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5H4ICZKSWFDGZ7NQHUWJOLTCNT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5H4ICZKSWFDGZ7NQHUWJOLTCNT/action/storage_attestation","attest_author":"https://pith.science/pith/5H4ICZKSWFDGZ7NQHUWJOLTCNT/action/author_attestation","sign_citation":"https://pith.science/pith/5H4ICZKSWFDGZ7NQHUWJOLTCNT/action/citation_signature","submit_replication":"https://pith.science/pith/5H4ICZKSWFDGZ7NQHUWJOLTCNT/action/replication_record"}},"created_at":"2026-07-04T15:32:15.732220+00:00","updated_at":"2026-07-04T15:32:15.732220+00:00"}