{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:NP7Z7S5LPJUUMO53IW27FQLEQ5","short_pith_number":"pith:NP7Z7S5L","schema_version":"1.0","canonical_sha256":"6bff9fcbab7a69463bbb45b5f2c16487497d0ed59618585e2e9ec163c8e5e42f","source":{"kind":"arxiv","id":"1811.10293","version":1},"attestation_state":"computed","paper":{"title":"Competition between direct and sequential two-neutron transfers in the $^{18}$O + $^{28}$Si collision at 84 MeV","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"nucl-ex","authors_text":"A. Gargano, B.Paes, D. Carbone, E. N. Cardozo, F. Cappuzzello, G. Santagati, J.L.Ferreira, J. Lubian, M. Cavallaro, R.Linares","submitted_at":"2018-11-26T11:15:20Z","abstract_excerpt":"In this work we study the simultaneous and sequential two-neutron transfer mechanisms to the $^{28}$Si nucleus induced by (t,p) and ($^{18}$O, $^{16}$O) reactions. New experimental cross sections for the $^{28}$Si($^{18}$O,$^{16}$O)$^{30}$Si reaction at 84 MeV are also presented. Direct reaction calculations are carried out within the Exact Finite Range Coupled Reaction Channel, for the simultaneous transfer of the two-neutron cluster, and the second order Distorted Wave Born Approximation, for the sequential transfer. Two different models are considered to describe the two-neutron cluster. Th"},"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":"1811.10293","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-11-26T11:15:20Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"4b901359b3988139befa138d4c83c95ed6008e55ec89d868676680f73d973162","abstract_canon_sha256":"9017711b8bbaeb784fdd7e078893fed3374b299263d2fc4bc66438174cdb22cc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:59:04.111545Z","signature_b64":"PXNQr3j/2rQjldk42eAK0qjkKKAtqrFYi4PFH2ZExp4gKqJ8YRVVvBz7dHfd2STfdI7tDETEZ00IOjVD9FGdCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6bff9fcbab7a69463bbb45b5f2c16487497d0ed59618585e2e9ec163c8e5e42f","last_reissued_at":"2026-05-17T23:59:04.111134Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:59:04.111134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Competition between direct and sequential two-neutron transfers in the $^{18}$O + $^{28}$Si collision at 84 MeV","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"nucl-ex","authors_text":"A. Gargano, B.Paes, D. Carbone, E. N. Cardozo, F. Cappuzzello, G. Santagati, J.L.Ferreira, J. Lubian, M. Cavallaro, R.Linares","submitted_at":"2018-11-26T11:15:20Z","abstract_excerpt":"In this work we study the simultaneous and sequential two-neutron transfer mechanisms to the $^{28}$Si nucleus induced by (t,p) and ($^{18}$O, $^{16}$O) reactions. New experimental cross sections for the $^{28}$Si($^{18}$O,$^{16}$O)$^{30}$Si reaction at 84 MeV are also presented. Direct reaction calculations are carried out within the Exact Finite Range Coupled Reaction Channel, for the simultaneous transfer of the two-neutron cluster, and the second order Distorted Wave Born Approximation, for the sequential transfer. Two different models are considered to describe the two-neutron cluster. Th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.10293","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":"1811.10293","created_at":"2026-05-17T23:59:04.111195+00:00"},{"alias_kind":"arxiv_version","alias_value":"1811.10293v1","created_at":"2026-05-17T23:59:04.111195+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.10293","created_at":"2026-05-17T23:59:04.111195+00:00"},{"alias_kind":"pith_short_12","alias_value":"NP7Z7S5LPJUU","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_16","alias_value":"NP7Z7S5LPJUUMO53","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_8","alias_value":"NP7Z7S5L","created_at":"2026-05-18T12:32:40.477152+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/NP7Z7S5LPJUUMO53IW27FQLEQ5","json":"https://pith.science/pith/NP7Z7S5LPJUUMO53IW27FQLEQ5.json","graph_json":"https://pith.science/api/pith-number/NP7Z7S5LPJUUMO53IW27FQLEQ5/graph.json","events_json":"https://pith.science/api/pith-number/NP7Z7S5LPJUUMO53IW27FQLEQ5/events.json","paper":"https://pith.science/paper/NP7Z7S5L"},"agent_actions":{"view_html":"https://pith.science/pith/NP7Z7S5LPJUUMO53IW27FQLEQ5","download_json":"https://pith.science/pith/NP7Z7S5LPJUUMO53IW27FQLEQ5.json","view_paper":"https://pith.science/paper/NP7Z7S5L","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1811.10293&json=true","fetch_graph":"https://pith.science/api/pith-number/NP7Z7S5LPJUUMO53IW27FQLEQ5/graph.json","fetch_events":"https://pith.science/api/pith-number/NP7Z7S5LPJUUMO53IW27FQLEQ5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NP7Z7S5LPJUUMO53IW27FQLEQ5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NP7Z7S5LPJUUMO53IW27FQLEQ5/action/storage_attestation","attest_author":"https://pith.science/pith/NP7Z7S5LPJUUMO53IW27FQLEQ5/action/author_attestation","sign_citation":"https://pith.science/pith/NP7Z7S5LPJUUMO53IW27FQLEQ5/action/citation_signature","submit_replication":"https://pith.science/pith/NP7Z7S5LPJUUMO53IW27FQLEQ5/action/replication_record"}},"created_at":"2026-05-17T23:59:04.111195+00:00","updated_at":"2026-05-17T23:59:04.111195+00:00"}