{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:EW5V7IWVUBH6NLK3LLF64AOGP3","short_pith_number":"pith:EW5V7IWV","schema_version":"1.0","canonical_sha256":"25bb5fa2d5a04fe6ad5b5acbee01c67ee7811529eaf92f162e601e06cb2c300b","source":{"kind":"arxiv","id":"1610.01575","version":1},"attestation_state":"computed","paper":{"title":"Unexpected distribution of $\\nu1f_{7/2}$ strength in the calcium isotopes at $N$=30","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"nucl-ex","authors_text":"A. Gade, A. O. Macchiavelli, A. Schwenk, A. T. Gallant, A. Wiens, C. Langer, C. M. Campbell, C. Walz, D. Bazin, D. Weisshaar, F. Recchia, H. L. Crawford, I. Y. Lee, J. A. Tostevin, J. D. Holt, J. Dilling, J. Men\\'endez, J. Rissanen, J. Simonis, K. Wimmer, M. Albers, M. Cromaz, M. Scott, P. Fallon, R. Kr\\\"ucken, R. M. Clark, R. V. F. Janssens, S. Noji, S. Paschalis, S. R. Stroberg, S. Zhu, T. Lauritsen, V. M. Bader","submitted_at":"2016-10-05T19:15:56Z","abstract_excerpt":"The calcium isotopes have emerged as an important testing ground for new microscopically derived shell-model interactions, and a great deal of focus has been directed toward this region. We investigate the relative spectroscopic strengths associated with $1f_{7/2}$ neutron hole states in $^{47, 49}$Ca following one-neutron knockout reactions from $^{48,50}$Ca. The observed reduction of strength populating the lowest 7/2$^{-}_{1}$ state in $^{49}$Ca, as compared to $^{47}$Ca, is consistent with the description given by shell-model calculations based on two- and three-nucleon forces in the neutr"},"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":"1610.01575","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2016-10-05T19:15:56Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"4cec42ba1e506c7fc35bab76de4bac84e037ebfee6a43407116852f492d971b8","abstract_canon_sha256":"b59258aca31fff77f653d3fa8405d4f1fcc6f51eed852d6197de13760afc5e73"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:03:06.839851Z","signature_b64":"ThmDMbdYRKofKupf74Pu5g2LYzPgnFE9B4YfHGsR2YoNn4IziyensHTzpPZk2nHMft0kmak3r2hSLITz/YVmAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"25bb5fa2d5a04fe6ad5b5acbee01c67ee7811529eaf92f162e601e06cb2c300b","last_reissued_at":"2026-05-18T01:03:06.839298Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:03:06.839298Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Unexpected distribution of $\\nu1f_{7/2}$ strength in the calcium isotopes at $N$=30","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"nucl-ex","authors_text":"A. Gade, A. O. Macchiavelli, A. Schwenk, A. T. Gallant, A. Wiens, C. Langer, C. M. Campbell, C. Walz, D. Bazin, D. Weisshaar, F. Recchia, H. L. Crawford, I. Y. Lee, J. A. Tostevin, J. D. Holt, J. Dilling, J. Men\\'endez, J. Rissanen, J. Simonis, K. Wimmer, M. Albers, M. Cromaz, M. Scott, P. Fallon, R. Kr\\\"ucken, R. M. Clark, R. V. F. Janssens, S. Noji, S. Paschalis, S. R. Stroberg, S. Zhu, T. Lauritsen, V. M. Bader","submitted_at":"2016-10-05T19:15:56Z","abstract_excerpt":"The calcium isotopes have emerged as an important testing ground for new microscopically derived shell-model interactions, and a great deal of focus has been directed toward this region. We investigate the relative spectroscopic strengths associated with $1f_{7/2}$ neutron hole states in $^{47, 49}$Ca following one-neutron knockout reactions from $^{48,50}$Ca. The observed reduction of strength populating the lowest 7/2$^{-}_{1}$ state in $^{49}$Ca, as compared to $^{47}$Ca, is consistent with the description given by shell-model calculations based on two- and three-nucleon forces in the neutr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.01575","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":"1610.01575","created_at":"2026-05-18T01:03:06.839402+00:00"},{"alias_kind":"arxiv_version","alias_value":"1610.01575v1","created_at":"2026-05-18T01:03:06.839402+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.01575","created_at":"2026-05-18T01:03:06.839402+00:00"},{"alias_kind":"pith_short_12","alias_value":"EW5V7IWVUBH6","created_at":"2026-05-18T12:30:15.759754+00:00"},{"alias_kind":"pith_short_16","alias_value":"EW5V7IWVUBH6NLK3","created_at":"2026-05-18T12:30:15.759754+00:00"},{"alias_kind":"pith_short_8","alias_value":"EW5V7IWV","created_at":"2026-05-18T12:30:15.759754+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/EW5V7IWVUBH6NLK3LLF64AOGP3","json":"https://pith.science/pith/EW5V7IWVUBH6NLK3LLF64AOGP3.json","graph_json":"https://pith.science/api/pith-number/EW5V7IWVUBH6NLK3LLF64AOGP3/graph.json","events_json":"https://pith.science/api/pith-number/EW5V7IWVUBH6NLK3LLF64AOGP3/events.json","paper":"https://pith.science/paper/EW5V7IWV"},"agent_actions":{"view_html":"https://pith.science/pith/EW5V7IWVUBH6NLK3LLF64AOGP3","download_json":"https://pith.science/pith/EW5V7IWVUBH6NLK3LLF64AOGP3.json","view_paper":"https://pith.science/paper/EW5V7IWV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1610.01575&json=true","fetch_graph":"https://pith.science/api/pith-number/EW5V7IWVUBH6NLK3LLF64AOGP3/graph.json","fetch_events":"https://pith.science/api/pith-number/EW5V7IWVUBH6NLK3LLF64AOGP3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EW5V7IWVUBH6NLK3LLF64AOGP3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EW5V7IWVUBH6NLK3LLF64AOGP3/action/storage_attestation","attest_author":"https://pith.science/pith/EW5V7IWVUBH6NLK3LLF64AOGP3/action/author_attestation","sign_citation":"https://pith.science/pith/EW5V7IWVUBH6NLK3LLF64AOGP3/action/citation_signature","submit_replication":"https://pith.science/pith/EW5V7IWVUBH6NLK3LLF64AOGP3/action/replication_record"}},"created_at":"2026-05-18T01:03:06.839402+00:00","updated_at":"2026-05-18T01:03:06.839402+00:00"}