{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:3M2TSWH5JBBYG4OZHLIAG4EO5D","short_pith_number":"pith:3M2TSWH5","schema_version":"1.0","canonical_sha256":"db353958fd48438371d93ad003708ee8c254544b1e41562fffce7189ac504684","source":{"kind":"arxiv","id":"1202.3932","version":1},"attestation_state":"computed","paper":{"title":"Microscopic study of Ca$+$Ca fusion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"A.S. Umar, R. Keser, V.E. Oberacker","submitted_at":"2012-02-17T15:20:46Z","abstract_excerpt":"We investigate the fusion barriers for reactions involving Ca isotopes $\\mathrm{^{40}Ca}+\\mathrm{^{40}Ca}$, $\\mathrm{^{40}Ca}+\\mathrm{^{48}Ca}$, and $\\mathrm{^{48}Ca}+\\mathrm{^{48}Ca}$ using the microscopic time-dependent Hartree-Fock theory coupled with a density constraint. In this formalism the fusion barriers are directly obtained from TDHF dynamics. We also study the excitation of the pre-equilibrium GDR for the $\\mathrm{^{40}Ca}+\\mathrm{^{48}Ca}$ system and the associated $\\gamma$-ray emission spectrum. Fusion cross-sections are calculated using the incoming-wave boundary condition appro"},"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":"1202.3932","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-02-17T15:20:46Z","cross_cats_sorted":[],"title_canon_sha256":"db4584c52e68a15e110b2f24865ef6011091aebbfd65852347f3bb35e1b2a248","abstract_canon_sha256":"ed66eb530f48ded1d999117dc3d87e53b9b83cdc764e2627ce70a994b170eea8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:58:05.056847Z","signature_b64":"nMTmSKNqxahBfuMU+7mSYLBWoeud09otwPlhYKXakszepGPQ0V6qwdsLxH2tM1/4iyo46gUo1u2b+PNHFQsICw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"db353958fd48438371d93ad003708ee8c254544b1e41562fffce7189ac504684","last_reissued_at":"2026-05-18T03:58:05.056423Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:58:05.056423Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Microscopic study of Ca$+$Ca fusion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"A.S. Umar, R. Keser, V.E. Oberacker","submitted_at":"2012-02-17T15:20:46Z","abstract_excerpt":"We investigate the fusion barriers for reactions involving Ca isotopes $\\mathrm{^{40}Ca}+\\mathrm{^{40}Ca}$, $\\mathrm{^{40}Ca}+\\mathrm{^{48}Ca}$, and $\\mathrm{^{48}Ca}+\\mathrm{^{48}Ca}$ using the microscopic time-dependent Hartree-Fock theory coupled with a density constraint. In this formalism the fusion barriers are directly obtained from TDHF dynamics. We also study the excitation of the pre-equilibrium GDR for the $\\mathrm{^{40}Ca}+\\mathrm{^{48}Ca}$ system and the associated $\\gamma$-ray emission spectrum. Fusion cross-sections are calculated using the incoming-wave boundary condition appro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.3932","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":"1202.3932","created_at":"2026-05-18T03:58:05.056488+00:00"},{"alias_kind":"arxiv_version","alias_value":"1202.3932v1","created_at":"2026-05-18T03:58:05.056488+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.3932","created_at":"2026-05-18T03:58:05.056488+00:00"},{"alias_kind":"pith_short_12","alias_value":"3M2TSWH5JBBY","created_at":"2026-05-18T12:26:50.516681+00:00"},{"alias_kind":"pith_short_16","alias_value":"3M2TSWH5JBBYG4OZ","created_at":"2026-05-18T12:26:50.516681+00:00"},{"alias_kind":"pith_short_8","alias_value":"3M2TSWH5","created_at":"2026-05-18T12:26:50.516681+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/3M2TSWH5JBBYG4OZHLIAG4EO5D","json":"https://pith.science/pith/3M2TSWH5JBBYG4OZHLIAG4EO5D.json","graph_json":"https://pith.science/api/pith-number/3M2TSWH5JBBYG4OZHLIAG4EO5D/graph.json","events_json":"https://pith.science/api/pith-number/3M2TSWH5JBBYG4OZHLIAG4EO5D/events.json","paper":"https://pith.science/paper/3M2TSWH5"},"agent_actions":{"view_html":"https://pith.science/pith/3M2TSWH5JBBYG4OZHLIAG4EO5D","download_json":"https://pith.science/pith/3M2TSWH5JBBYG4OZHLIAG4EO5D.json","view_paper":"https://pith.science/paper/3M2TSWH5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1202.3932&json=true","fetch_graph":"https://pith.science/api/pith-number/3M2TSWH5JBBYG4OZHLIAG4EO5D/graph.json","fetch_events":"https://pith.science/api/pith-number/3M2TSWH5JBBYG4OZHLIAG4EO5D/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3M2TSWH5JBBYG4OZHLIAG4EO5D/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3M2TSWH5JBBYG4OZHLIAG4EO5D/action/storage_attestation","attest_author":"https://pith.science/pith/3M2TSWH5JBBYG4OZHLIAG4EO5D/action/author_attestation","sign_citation":"https://pith.science/pith/3M2TSWH5JBBYG4OZHLIAG4EO5D/action/citation_signature","submit_replication":"https://pith.science/pith/3M2TSWH5JBBYG4OZHLIAG4EO5D/action/replication_record"}},"created_at":"2026-05-18T03:58:05.056488+00:00","updated_at":"2026-05-18T03:58:05.056488+00:00"}