{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:KXZCBQUZ633J4AL7U4DY4G725Z","short_pith_number":"pith:KXZCBQUZ","schema_version":"1.0","canonical_sha256":"55f220c299f6f69e017fa7078e1bfaee78642b143e7187a03996c7d52131e122","source":{"kind":"arxiv","id":"0911.1771","version":4},"attestation_state":"computed","paper":{"title":"Decaying neutrinos: The long way to isotropy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Anders Basboll, Ole Eggers Bjaelde","submitted_at":"2009-11-09T21:00:05Z","abstract_excerpt":"We investigate a scenario in which neutrinos are coupled to a pseudoscalar degree of freedom $\\ph$ and where decays $\\nu_1 \\to \\nu_2+\\ph$ and inverse decays are the responsible mechanism for obtaining equilibrium. In this context we discuss the implication of the invisible neutrino decay on the neutrino-pseudoscalar coupling constant and the neutrino lifetime. Assuming the realistic scenario of a thermal background of neutrinos and pseudoscalar we update the bound on the (off-diagonal) neutrino-pseudoscalar coupling constant to $g<2.6\\times10^{-13}$ and the bound on the neutrino lifetime to $\\"},"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":"0911.1771","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-11-09T21:00:05Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"c9f1ae4cb8af3ea9ccca7ee832d528d73162ba818b33fbb9a8ef449b1441408e","abstract_canon_sha256":"6b44e109903ca071f8f243e3a3838bdfe36c7edaafeada3f8b7d04b4d4aa5998"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:41:44.862130Z","signature_b64":"oxY7Fbh7s4j3DozdNCrwcYPYy/ND78laJZs48m/D150yJtLwn+cphRyWs5wSSqZTT1sgGCMGqC4M4KesSJwABg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"55f220c299f6f69e017fa7078e1bfaee78642b143e7187a03996c7d52131e122","last_reissued_at":"2026-05-18T04:41:44.861745Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:41:44.861745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Decaying neutrinos: The long way to isotropy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Anders Basboll, Ole Eggers Bjaelde","submitted_at":"2009-11-09T21:00:05Z","abstract_excerpt":"We investigate a scenario in which neutrinos are coupled to a pseudoscalar degree of freedom $\\ph$ and where decays $\\nu_1 \\to \\nu_2+\\ph$ and inverse decays are the responsible mechanism for obtaining equilibrium. In this context we discuss the implication of the invisible neutrino decay on the neutrino-pseudoscalar coupling constant and the neutrino lifetime. Assuming the realistic scenario of a thermal background of neutrinos and pseudoscalar we update the bound on the (off-diagonal) neutrino-pseudoscalar coupling constant to $g<2.6\\times10^{-13}$ and the bound on the neutrino lifetime to $\\"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.1771","kind":"arxiv","version":4},"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":"0911.1771","created_at":"2026-05-18T04:41:44.861805+00:00"},{"alias_kind":"arxiv_version","alias_value":"0911.1771v4","created_at":"2026-05-18T04:41:44.861805+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.1771","created_at":"2026-05-18T04:41:44.861805+00:00"},{"alias_kind":"pith_short_12","alias_value":"KXZCBQUZ633J","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_16","alias_value":"KXZCBQUZ633J4AL7","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_8","alias_value":"KXZCBQUZ","created_at":"2026-05-18T12:26:00.592388+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/KXZCBQUZ633J4AL7U4DY4G725Z","json":"https://pith.science/pith/KXZCBQUZ633J4AL7U4DY4G725Z.json","graph_json":"https://pith.science/api/pith-number/KXZCBQUZ633J4AL7U4DY4G725Z/graph.json","events_json":"https://pith.science/api/pith-number/KXZCBQUZ633J4AL7U4DY4G725Z/events.json","paper":"https://pith.science/paper/KXZCBQUZ"},"agent_actions":{"view_html":"https://pith.science/pith/KXZCBQUZ633J4AL7U4DY4G725Z","download_json":"https://pith.science/pith/KXZCBQUZ633J4AL7U4DY4G725Z.json","view_paper":"https://pith.science/paper/KXZCBQUZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0911.1771&json=true","fetch_graph":"https://pith.science/api/pith-number/KXZCBQUZ633J4AL7U4DY4G725Z/graph.json","fetch_events":"https://pith.science/api/pith-number/KXZCBQUZ633J4AL7U4DY4G725Z/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KXZCBQUZ633J4AL7U4DY4G725Z/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KXZCBQUZ633J4AL7U4DY4G725Z/action/storage_attestation","attest_author":"https://pith.science/pith/KXZCBQUZ633J4AL7U4DY4G725Z/action/author_attestation","sign_citation":"https://pith.science/pith/KXZCBQUZ633J4AL7U4DY4G725Z/action/citation_signature","submit_replication":"https://pith.science/pith/KXZCBQUZ633J4AL7U4DY4G725Z/action/replication_record"}},"created_at":"2026-05-18T04:41:44.861805+00:00","updated_at":"2026-05-18T04:41:44.861805+00:00"}