{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:NNMJ4BKA3MBLPROHQMZKDCHK5H","short_pith_number":"pith:NNMJ4BKA","schema_version":"1.0","canonical_sha256":"6b589e0540db02b7c5c78332a188eae9c73ee018c032be1c559bccb21ad2d763","source":{"kind":"arxiv","id":"1403.7627","version":1},"attestation_state":"computed","paper":{"title":"Population of dipole states via isoscalar probes: the splitting of pygmy dipole resonance in $^{124}$Sn}","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"Andrea Vitturi, Deniz Savran, Edoardo G. Lanza, Elena Litvinova","submitted_at":"2014-03-29T12:04:29Z","abstract_excerpt":"Inelastic $\\alpha$-scattering excitation cross sections are calculated for electric dipole excitations in $^{124}$Sn based on the transition densities obtained from the relativistic quasiparticle time-blocking approximation (RQTBA) in the framework of a semiclassical model. The calculation provides the missing link to directly compare the results from the microscopic RQTBA calculations to recent experimental data measured via the $(\\alpha ,\\alpha '\\gamma)$ reaction, which show a structural splitting of the low-lying E1 strength often denoted as pygmy dipole resonance (PDR). The experimentally "},"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":"1403.7627","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-03-29T12:04:29Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"ca4ce7cfe22861310d4b90d21c5237793ce45c95f938aa8bda636c7beea9d541","abstract_canon_sha256":"14f2b5398f4d112f9990a99cf0937af21228aa6eb2ae93833555d8b623a0e5aa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:44.084582Z","signature_b64":"PVasZKTuprxd4trj1DTforG+mfYGJK2LiHqQzK0XKPfp/vhzrh9Oyy/x1iz87X1xDZn17M5QU8KTSQ86PDFpAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6b589e0540db02b7c5c78332a188eae9c73ee018c032be1c559bccb21ad2d763","last_reissued_at":"2026-05-18T01:43:44.084224Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:44.084224Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Population of dipole states via isoscalar probes: the splitting of pygmy dipole resonance in $^{124}$Sn}","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"Andrea Vitturi, Deniz Savran, Edoardo G. Lanza, Elena Litvinova","submitted_at":"2014-03-29T12:04:29Z","abstract_excerpt":"Inelastic $\\alpha$-scattering excitation cross sections are calculated for electric dipole excitations in $^{124}$Sn based on the transition densities obtained from the relativistic quasiparticle time-blocking approximation (RQTBA) in the framework of a semiclassical model. The calculation provides the missing link to directly compare the results from the microscopic RQTBA calculations to recent experimental data measured via the $(\\alpha ,\\alpha '\\gamma)$ reaction, which show a structural splitting of the low-lying E1 strength often denoted as pygmy dipole resonance (PDR). The experimentally "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.7627","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":"1403.7627","created_at":"2026-05-18T01:43:44.084276+00:00"},{"alias_kind":"arxiv_version","alias_value":"1403.7627v1","created_at":"2026-05-18T01:43:44.084276+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.7627","created_at":"2026-05-18T01:43:44.084276+00:00"},{"alias_kind":"pith_short_12","alias_value":"NNMJ4BKA3MBL","created_at":"2026-05-18T12:28:41.024544+00:00"},{"alias_kind":"pith_short_16","alias_value":"NNMJ4BKA3MBLPROH","created_at":"2026-05-18T12:28:41.024544+00:00"},{"alias_kind":"pith_short_8","alias_value":"NNMJ4BKA","created_at":"2026-05-18T12:28:41.024544+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/NNMJ4BKA3MBLPROHQMZKDCHK5H","json":"https://pith.science/pith/NNMJ4BKA3MBLPROHQMZKDCHK5H.json","graph_json":"https://pith.science/api/pith-number/NNMJ4BKA3MBLPROHQMZKDCHK5H/graph.json","events_json":"https://pith.science/api/pith-number/NNMJ4BKA3MBLPROHQMZKDCHK5H/events.json","paper":"https://pith.science/paper/NNMJ4BKA"},"agent_actions":{"view_html":"https://pith.science/pith/NNMJ4BKA3MBLPROHQMZKDCHK5H","download_json":"https://pith.science/pith/NNMJ4BKA3MBLPROHQMZKDCHK5H.json","view_paper":"https://pith.science/paper/NNMJ4BKA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1403.7627&json=true","fetch_graph":"https://pith.science/api/pith-number/NNMJ4BKA3MBLPROHQMZKDCHK5H/graph.json","fetch_events":"https://pith.science/api/pith-number/NNMJ4BKA3MBLPROHQMZKDCHK5H/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NNMJ4BKA3MBLPROHQMZKDCHK5H/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NNMJ4BKA3MBLPROHQMZKDCHK5H/action/storage_attestation","attest_author":"https://pith.science/pith/NNMJ4BKA3MBLPROHQMZKDCHK5H/action/author_attestation","sign_citation":"https://pith.science/pith/NNMJ4BKA3MBLPROHQMZKDCHK5H/action/citation_signature","submit_replication":"https://pith.science/pith/NNMJ4BKA3MBLPROHQMZKDCHK5H/action/replication_record"}},"created_at":"2026-05-18T01:43:44.084276+00:00","updated_at":"2026-05-18T01:43:44.084276+00:00"}