{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:UQWEEEEVVTTXHDC46LMGUVR3ED","short_pith_number":"pith:UQWEEEEV","schema_version":"1.0","canonical_sha256":"a42c421095ace7738c5cf2d86a563b20c86f88ef03c8e66e8b1016569df87219","source":{"kind":"arxiv","id":"1308.3550","version":1},"attestation_state":"computed","paper":{"title":"Direct Search for Right-handed Neutrinos and Neutrinoless Double Beta Decay","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Shintaro Eijima, Takehiko Asaka","submitted_at":"2013-08-16T04:30:37Z","abstract_excerpt":"We consider an extension of the Standard Model by two right-handed neutrinos, especially with masses lighter than charged $K$ meson. This simple model can realize the seesaw mechanism for neutrino masses and also the baryogenesis by flavor oscillations of right-handed neutrinos. We summarize the constraints on right-handed neutrinos from direct searches as well as the big bang nucleosynthesis. It is then found that the possible range for the quasi-degenerate mass of right-handed neutrinos is $M_N \\geq 163 \\MeV$ for normal hierarchy of neutrino masses, while $M_N = 188 \\text{--} 269 \\MeV$ and $"},"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":"1308.3550","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-08-16T04:30:37Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"fb1d15a6b3ed4abef49a4fccfe07c17feac331a45c1f42be27fc7eb26222e06a","abstract_canon_sha256":"7a728dc3fc6afdf732ed4fee783e853a304b6c7744c4336ea3425e0cd224e1cd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:52:34.510899Z","signature_b64":"dZTci4iniRL3ES0BIetIv49QRX2kbynzSkqx4BlTHtp+hhZeBAUiWr5VnBAYoZCfaB0hgu4fwzdF+4S8LfN4DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a42c421095ace7738c5cf2d86a563b20c86f88ef03c8e66e8b1016569df87219","last_reissued_at":"2026-05-18T02:52:34.510408Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:52:34.510408Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Direct Search for Right-handed Neutrinos and Neutrinoless Double Beta Decay","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Shintaro Eijima, Takehiko Asaka","submitted_at":"2013-08-16T04:30:37Z","abstract_excerpt":"We consider an extension of the Standard Model by two right-handed neutrinos, especially with masses lighter than charged $K$ meson. This simple model can realize the seesaw mechanism for neutrino masses and also the baryogenesis by flavor oscillations of right-handed neutrinos. We summarize the constraints on right-handed neutrinos from direct searches as well as the big bang nucleosynthesis. It is then found that the possible range for the quasi-degenerate mass of right-handed neutrinos is $M_N \\geq 163 \\MeV$ for normal hierarchy of neutrino masses, while $M_N = 188 \\text{--} 269 \\MeV$ and $"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.3550","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":"1308.3550","created_at":"2026-05-18T02:52:34.510481+00:00"},{"alias_kind":"arxiv_version","alias_value":"1308.3550v1","created_at":"2026-05-18T02:52:34.510481+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.3550","created_at":"2026-05-18T02:52:34.510481+00:00"},{"alias_kind":"pith_short_12","alias_value":"UQWEEEEVVTTX","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_16","alias_value":"UQWEEEEVVTTXHDC4","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_8","alias_value":"UQWEEEEV","created_at":"2026-05-18T12:28:02.375192+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2412.10497","citing_title":"Neutrinoless double beta decay with light sterile neutrinos: the contact terms","ref_index":28,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/UQWEEEEVVTTXHDC46LMGUVR3ED","json":"https://pith.science/pith/UQWEEEEVVTTXHDC46LMGUVR3ED.json","graph_json":"https://pith.science/api/pith-number/UQWEEEEVVTTXHDC46LMGUVR3ED/graph.json","events_json":"https://pith.science/api/pith-number/UQWEEEEVVTTXHDC46LMGUVR3ED/events.json","paper":"https://pith.science/paper/UQWEEEEV"},"agent_actions":{"view_html":"https://pith.science/pith/UQWEEEEVVTTXHDC46LMGUVR3ED","download_json":"https://pith.science/pith/UQWEEEEVVTTXHDC46LMGUVR3ED.json","view_paper":"https://pith.science/paper/UQWEEEEV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1308.3550&json=true","fetch_graph":"https://pith.science/api/pith-number/UQWEEEEVVTTXHDC46LMGUVR3ED/graph.json","fetch_events":"https://pith.science/api/pith-number/UQWEEEEVVTTXHDC46LMGUVR3ED/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UQWEEEEVVTTXHDC46LMGUVR3ED/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UQWEEEEVVTTXHDC46LMGUVR3ED/action/storage_attestation","attest_author":"https://pith.science/pith/UQWEEEEVVTTXHDC46LMGUVR3ED/action/author_attestation","sign_citation":"https://pith.science/pith/UQWEEEEVVTTXHDC46LMGUVR3ED/action/citation_signature","submit_replication":"https://pith.science/pith/UQWEEEEVVTTXHDC46LMGUVR3ED/action/replication_record"}},"created_at":"2026-05-18T02:52:34.510481+00:00","updated_at":"2026-05-18T02:52:34.510481+00:00"}