{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:DW6UTNWGIIST6DQWK5ERQQW7HC","short_pith_number":"pith:DW6UTNWG","schema_version":"1.0","canonical_sha256":"1dbd49b6c642253f0e1657491842df389a9e27b7beac57be99ac2d5460d5045d","source":{"kind":"arxiv","id":"0801.1762","version":1},"attestation_state":"computed","paper":{"title":"Decay of Z Boson into Photon and Unparticle","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"kingman Cheung, Thomas W. Kephart, Tzu-Chiang Yuan, Wai-Yee Keung","submitted_at":"2008-01-11T12:06:27Z","abstract_excerpt":"We study the decay of the standard model Z boson into unparticle plus a single photon through a one-loop process. As in the anomaly type decay, only the axial-vector part of the Z coupling matching with the vector unparticle and/or the vector part of the Z coupling matching with the axial-vector unparticle can give a nonzero contribution to the decay. We show that the photon spectrum terminates at the end point in accord with Yang's theorem. Existing data on single photon production at LEP I is used to constrain the unparticle sector."},"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":"0801.1762","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2008-01-11T12:06:27Z","cross_cats_sorted":[],"title_canon_sha256":"08305b14bb572d1326dab39459ae0e4f59e4d60ccda9d5e6f7906e1d48466449","abstract_canon_sha256":"a7fef311221c87651ce5ce222d4f4f8fd94fd9c063e5a4504ff7ee00b94d2ffa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:38:48.821157Z","signature_b64":"C8P/X90VWosnQwqrIwM+6ZYPY3pCsqoK4q16f9QjmKljoKxYZjK/1sj+3hlJg9E5T3WmM8g6DveDpoR+f6L3Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1dbd49b6c642253f0e1657491842df389a9e27b7beac57be99ac2d5460d5045d","last_reissued_at":"2026-05-18T04:38:48.820595Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:38:48.820595Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Decay of Z Boson into Photon and Unparticle","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"kingman Cheung, Thomas W. Kephart, Tzu-Chiang Yuan, Wai-Yee Keung","submitted_at":"2008-01-11T12:06:27Z","abstract_excerpt":"We study the decay of the standard model Z boson into unparticle plus a single photon through a one-loop process. As in the anomaly type decay, only the axial-vector part of the Z coupling matching with the vector unparticle and/or the vector part of the Z coupling matching with the axial-vector unparticle can give a nonzero contribution to the decay. We show that the photon spectrum terminates at the end point in accord with Yang's theorem. Existing data on single photon production at LEP I is used to constrain the unparticle sector."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0801.1762","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":""},"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":"0801.1762","created_at":"2026-05-18T04:38:48.820680+00:00"},{"alias_kind":"arxiv_version","alias_value":"0801.1762v1","created_at":"2026-05-18T04:38:48.820680+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0801.1762","created_at":"2026-05-18T04:38:48.820680+00:00"},{"alias_kind":"pith_short_12","alias_value":"DW6UTNWGIIST","created_at":"2026-05-18T12:25:57.157939+00:00"},{"alias_kind":"pith_short_16","alias_value":"DW6UTNWGIIST6DQW","created_at":"2026-05-18T12:25:57.157939+00:00"},{"alias_kind":"pith_short_8","alias_value":"DW6UTNWG","created_at":"2026-05-18T12:25:57.157939+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/DW6UTNWGIIST6DQWK5ERQQW7HC","json":"https://pith.science/pith/DW6UTNWGIIST6DQWK5ERQQW7HC.json","graph_json":"https://pith.science/api/pith-number/DW6UTNWGIIST6DQWK5ERQQW7HC/graph.json","events_json":"https://pith.science/api/pith-number/DW6UTNWGIIST6DQWK5ERQQW7HC/events.json","paper":"https://pith.science/paper/DW6UTNWG"},"agent_actions":{"view_html":"https://pith.science/pith/DW6UTNWGIIST6DQWK5ERQQW7HC","download_json":"https://pith.science/pith/DW6UTNWGIIST6DQWK5ERQQW7HC.json","view_paper":"https://pith.science/paper/DW6UTNWG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0801.1762&json=true","fetch_graph":"https://pith.science/api/pith-number/DW6UTNWGIIST6DQWK5ERQQW7HC/graph.json","fetch_events":"https://pith.science/api/pith-number/DW6UTNWGIIST6DQWK5ERQQW7HC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DW6UTNWGIIST6DQWK5ERQQW7HC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DW6UTNWGIIST6DQWK5ERQQW7HC/action/storage_attestation","attest_author":"https://pith.science/pith/DW6UTNWGIIST6DQWK5ERQQW7HC/action/author_attestation","sign_citation":"https://pith.science/pith/DW6UTNWGIIST6DQWK5ERQQW7HC/action/citation_signature","submit_replication":"https://pith.science/pith/DW6UTNWGIIST6DQWK5ERQQW7HC/action/replication_record"}},"created_at":"2026-05-18T04:38:48.820680+00:00","updated_at":"2026-05-18T04:38:48.820680+00:00"}