{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:M3S3IWM2BVVADLZBEUBLKQPUUG","short_pith_number":"pith:M3S3IWM2","schema_version":"1.0","canonical_sha256":"66e5b4599a0d6a01af212502b541f4a190cb4544a9a9cc6e8174a05bec91c6f0","source":{"kind":"arxiv","id":"1504.04456","version":1},"attestation_state":"computed","paper":{"title":"Theoretical neutron-capture cross sections for r-process nucleosynthesis in the $^{48}$Ca region","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"H. Oberhummer, K.-L. Kratz, T. Rauscher, W. Balogh, W. B\\\"ohmer","submitted_at":"2015-04-17T07:43:26Z","abstract_excerpt":"We calculate neutron capture cross sections for r-process nucleosynthesis in the $^{48}$Ca region, namely for the isotopes $^{40-44}$S, $^{46-50}$Ar, $^{56-66}$Ti, $^{62-68}$Cr, and $^{72-76}$Fe. While previously only cross sections resulting from the compound nucleus reaction mechanism (Hauser-Feshbach) have been considered, we recalculate not only that contribution to the cross section but also include direct capture on even-even nuclei. The level schemes, which are of utmost importance in the direct capture calculations, are taken from quasi-particle states obtained with a folded-Yukawa pot"},"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":"1504.04456","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-04-17T07:43:26Z","cross_cats_sorted":[],"title_canon_sha256":"32df1efabe6307b5be09e19c757bb694c04f8d146c674c2ad5354261f58cb89f","abstract_canon_sha256":"bb0095528d24045589b988239b08d63a504db5e65ce8fd18847d20000f2ef94a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:18:32.337837Z","signature_b64":"GRAZ+iRy9d2t702IsWUbmlYvKSgq0WGdvRMX9hXMq/nLS4xz52+kLQ6iUoKJV3bVzS+mdM6xkl25r29eah58DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"66e5b4599a0d6a01af212502b541f4a190cb4544a9a9cc6e8174a05bec91c6f0","last_reissued_at":"2026-05-18T02:18:32.337308Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:18:32.337308Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Theoretical neutron-capture cross sections for r-process nucleosynthesis in the $^{48}$Ca region","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"H. Oberhummer, K.-L. Kratz, T. Rauscher, W. Balogh, W. B\\\"ohmer","submitted_at":"2015-04-17T07:43:26Z","abstract_excerpt":"We calculate neutron capture cross sections for r-process nucleosynthesis in the $^{48}$Ca region, namely for the isotopes $^{40-44}$S, $^{46-50}$Ar, $^{56-66}$Ti, $^{62-68}$Cr, and $^{72-76}$Fe. While previously only cross sections resulting from the compound nucleus reaction mechanism (Hauser-Feshbach) have been considered, we recalculate not only that contribution to the cross section but also include direct capture on even-even nuclei. The level schemes, which are of utmost importance in the direct capture calculations, are taken from quasi-particle states obtained with a folded-Yukawa pot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.04456","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":"1504.04456","created_at":"2026-05-18T02:18:32.337401+00:00"},{"alias_kind":"arxiv_version","alias_value":"1504.04456v1","created_at":"2026-05-18T02:18:32.337401+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.04456","created_at":"2026-05-18T02:18:32.337401+00:00"},{"alias_kind":"pith_short_12","alias_value":"M3S3IWM2BVVA","created_at":"2026-05-18T12:29:32.376354+00:00"},{"alias_kind":"pith_short_16","alias_value":"M3S3IWM2BVVADLZB","created_at":"2026-05-18T12:29:32.376354+00:00"},{"alias_kind":"pith_short_8","alias_value":"M3S3IWM2","created_at":"2026-05-18T12:29:32.376354+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/M3S3IWM2BVVADLZBEUBLKQPUUG","json":"https://pith.science/pith/M3S3IWM2BVVADLZBEUBLKQPUUG.json","graph_json":"https://pith.science/api/pith-number/M3S3IWM2BVVADLZBEUBLKQPUUG/graph.json","events_json":"https://pith.science/api/pith-number/M3S3IWM2BVVADLZBEUBLKQPUUG/events.json","paper":"https://pith.science/paper/M3S3IWM2"},"agent_actions":{"view_html":"https://pith.science/pith/M3S3IWM2BVVADLZBEUBLKQPUUG","download_json":"https://pith.science/pith/M3S3IWM2BVVADLZBEUBLKQPUUG.json","view_paper":"https://pith.science/paper/M3S3IWM2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1504.04456&json=true","fetch_graph":"https://pith.science/api/pith-number/M3S3IWM2BVVADLZBEUBLKQPUUG/graph.json","fetch_events":"https://pith.science/api/pith-number/M3S3IWM2BVVADLZBEUBLKQPUUG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/M3S3IWM2BVVADLZBEUBLKQPUUG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/M3S3IWM2BVVADLZBEUBLKQPUUG/action/storage_attestation","attest_author":"https://pith.science/pith/M3S3IWM2BVVADLZBEUBLKQPUUG/action/author_attestation","sign_citation":"https://pith.science/pith/M3S3IWM2BVVADLZBEUBLKQPUUG/action/citation_signature","submit_replication":"https://pith.science/pith/M3S3IWM2BVVADLZBEUBLKQPUUG/action/replication_record"}},"created_at":"2026-05-18T02:18:32.337401+00:00","updated_at":"2026-05-18T02:18:32.337401+00:00"}