{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:WCZYC4PCOARLDU4JYCRDLZAVBN","short_pith_number":"pith:WCZYC4PC","schema_version":"1.0","canonical_sha256":"b0b38171e27022b1d389c0a235e4150b74aecf973cea6ae855523380ebcf7a92","source":{"kind":"arxiv","id":"1204.5946","version":2},"attestation_state":"computed","paper":{"title":"Comment on \"First Observation of Ground State Dineutron Decay: 16Be\"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"nucl-ex","authors_text":"F. Delaunay, F.M. Marques, J. Gibelin, N.A. Orr, N.L. Achouri","submitted_at":"2012-04-26T14:48:03Z","abstract_excerpt":"A recent measurement [Spyrou et al., PRL 108, 102501 (2012)] of the in-flight decay of 16Be into 14Be+n+n has been interpreted as the first case of dineutron emission. Here we point out that the inclusion of the n-n interaction neglected in the description of the direct three-body decay can generate strong enhancements at low n-n relative energy and angle, as observed, without any need to invoke dineutron decay."},"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":"1204.5946","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-04-26T14:48:03Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"f9acd344bd7734c701048aa60794b12dec1586c2aceaef3de2031e1cf546e4b7","abstract_canon_sha256":"1486364208465a26a031d5063d88bbac0f552128133de2204880afbb0fd45cf1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:43.808250Z","signature_b64":"h+pl+tbU8+/gai52j2jb0bRJpGWoWliwwJJ7xa+MlFupnV+8mqpoRY621U+WAx++Vx5LCyY0msD+tdwtgmE0BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b0b38171e27022b1d389c0a235e4150b74aecf973cea6ae855523380ebcf7a92","last_reissued_at":"2026-05-18T01:57:43.807615Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:43.807615Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Comment on \"First Observation of Ground State Dineutron Decay: 16Be\"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"nucl-ex","authors_text":"F. Delaunay, F.M. Marques, J. Gibelin, N.A. Orr, N.L. Achouri","submitted_at":"2012-04-26T14:48:03Z","abstract_excerpt":"A recent measurement [Spyrou et al., PRL 108, 102501 (2012)] of the in-flight decay of 16Be into 14Be+n+n has been interpreted as the first case of dineutron emission. Here we point out that the inclusion of the n-n interaction neglected in the description of the direct three-body decay can generate strong enhancements at low n-n relative energy and angle, as observed, without any need to invoke dineutron decay."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.5946","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":""},"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":"1204.5946","created_at":"2026-05-18T01:57:43.807721+00:00"},{"alias_kind":"arxiv_version","alias_value":"1204.5946v2","created_at":"2026-05-18T01:57:43.807721+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.5946","created_at":"2026-05-18T01:57:43.807721+00:00"},{"alias_kind":"pith_short_12","alias_value":"WCZYC4PCOARL","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_16","alias_value":"WCZYC4PCOARLDU4J","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_8","alias_value":"WCZYC4PC","created_at":"2026-05-18T12:27:25.539911+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/WCZYC4PCOARLDU4JYCRDLZAVBN","json":"https://pith.science/pith/WCZYC4PCOARLDU4JYCRDLZAVBN.json","graph_json":"https://pith.science/api/pith-number/WCZYC4PCOARLDU4JYCRDLZAVBN/graph.json","events_json":"https://pith.science/api/pith-number/WCZYC4PCOARLDU4JYCRDLZAVBN/events.json","paper":"https://pith.science/paper/WCZYC4PC"},"agent_actions":{"view_html":"https://pith.science/pith/WCZYC4PCOARLDU4JYCRDLZAVBN","download_json":"https://pith.science/pith/WCZYC4PCOARLDU4JYCRDLZAVBN.json","view_paper":"https://pith.science/paper/WCZYC4PC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1204.5946&json=true","fetch_graph":"https://pith.science/api/pith-number/WCZYC4PCOARLDU4JYCRDLZAVBN/graph.json","fetch_events":"https://pith.science/api/pith-number/WCZYC4PCOARLDU4JYCRDLZAVBN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WCZYC4PCOARLDU4JYCRDLZAVBN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WCZYC4PCOARLDU4JYCRDLZAVBN/action/storage_attestation","attest_author":"https://pith.science/pith/WCZYC4PCOARLDU4JYCRDLZAVBN/action/author_attestation","sign_citation":"https://pith.science/pith/WCZYC4PCOARLDU4JYCRDLZAVBN/action/citation_signature","submit_replication":"https://pith.science/pith/WCZYC4PCOARLDU4JYCRDLZAVBN/action/replication_record"}},"created_at":"2026-05-18T01:57:43.807721+00:00","updated_at":"2026-05-18T01:57:43.807721+00:00"}