{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:HDAGK72OG4Z744666SZOPJO7JE","short_pith_number":"pith:HDAGK72O","schema_version":"1.0","canonical_sha256":"38c0657f4e3733fe73def4b2e7a5df490aeb5594633736cde6d67f3fd9366bd1","source":{"kind":"arxiv","id":"2304.11008","version":2},"attestation_state":"computed","paper":{"title":"Violation of the Landau-Yang theorem from Infrared Lorentz Symmetry Breaking","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"hep-ph","authors_text":"A. P. Balachandran, Arshad Momen, B. Qureshi, M. Asorey","submitted_at":"2023-04-20T04:08:57Z","abstract_excerpt":"Lorentz symmetry forbids decays of massive spin-1 particle like the $Z^0$ into two massless photons, a result known as the Landau-Yang theorem. But it is known that infrared effects can break Lorentz invariance. Employing the construction of Mund et. al. \\cite{MRS} which incorporated this Lorentz violation, we propose an interaction leading to the decay $Z^0 \\rightarrow 2 \\gamma$ and study the dependence of the decay on the parameter of this Lorentz violation."},"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":"2304.11008","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2023-04-20T04:08:57Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"98d4ef8ce92e4b3525d059c015e5a73e1bd899d0a7b8d3582c970e84af9800da","abstract_canon_sha256":"3c2c48657c2cbc96f2c48f09bc2c3008158b14b6f88b33c6ee8e0221ae99dfba"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:49:21.580155Z","signature_b64":"atGLClsmUjz/9Ywb1MaXWbTV8nBmvIg6J87fM97BlldltjR0egTzMITJp8mVPw4bsBmISJWfxN2LAMPKKG9JCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38c0657f4e3733fe73def4b2e7a5df490aeb5594633736cde6d67f3fd9366bd1","last_reissued_at":"2026-07-05T06:49:21.579688Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:49:21.579688Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Violation of the Landau-Yang theorem from Infrared Lorentz Symmetry Breaking","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"hep-ph","authors_text":"A. P. Balachandran, Arshad Momen, B. Qureshi, M. Asorey","submitted_at":"2023-04-20T04:08:57Z","abstract_excerpt":"Lorentz symmetry forbids decays of massive spin-1 particle like the $Z^0$ into two massless photons, a result known as the Landau-Yang theorem. But it is known that infrared effects can break Lorentz invariance. Employing the construction of Mund et. al. \\cite{MRS} which incorporated this Lorentz violation, we propose an interaction leading to the decay $Z^0 \\rightarrow 2 \\gamma$ and study the dependence of the decay on the parameter of this Lorentz violation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.11008","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2304.11008/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":"2304.11008","created_at":"2026-07-05T06:49:21.579746+00:00"},{"alias_kind":"arxiv_version","alias_value":"2304.11008v2","created_at":"2026-07-05T06:49:21.579746+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.11008","created_at":"2026-07-05T06:49:21.579746+00:00"},{"alias_kind":"pith_short_12","alias_value":"HDAGK72OG4Z7","created_at":"2026-07-05T06:49:21.579746+00:00"},{"alias_kind":"pith_short_16","alias_value":"HDAGK72OG4Z74466","created_at":"2026-07-05T06:49:21.579746+00:00"},{"alias_kind":"pith_short_8","alias_value":"HDAGK72O","created_at":"2026-07-05T06:49:21.579746+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/HDAGK72OG4Z744666SZOPJO7JE","json":"https://pith.science/pith/HDAGK72OG4Z744666SZOPJO7JE.json","graph_json":"https://pith.science/api/pith-number/HDAGK72OG4Z744666SZOPJO7JE/graph.json","events_json":"https://pith.science/api/pith-number/HDAGK72OG4Z744666SZOPJO7JE/events.json","paper":"https://pith.science/paper/HDAGK72O"},"agent_actions":{"view_html":"https://pith.science/pith/HDAGK72OG4Z744666SZOPJO7JE","download_json":"https://pith.science/pith/HDAGK72OG4Z744666SZOPJO7JE.json","view_paper":"https://pith.science/paper/HDAGK72O","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2304.11008&json=true","fetch_graph":"https://pith.science/api/pith-number/HDAGK72OG4Z744666SZOPJO7JE/graph.json","fetch_events":"https://pith.science/api/pith-number/HDAGK72OG4Z744666SZOPJO7JE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HDAGK72OG4Z744666SZOPJO7JE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HDAGK72OG4Z744666SZOPJO7JE/action/storage_attestation","attest_author":"https://pith.science/pith/HDAGK72OG4Z744666SZOPJO7JE/action/author_attestation","sign_citation":"https://pith.science/pith/HDAGK72OG4Z744666SZOPJO7JE/action/citation_signature","submit_replication":"https://pith.science/pith/HDAGK72OG4Z744666SZOPJO7JE/action/replication_record"}},"created_at":"2026-07-05T06:49:21.579746+00:00","updated_at":"2026-07-05T06:49:21.579746+00:00"}