{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:G7VXJTM3Y5SSNFQFN5XQED2IHR","short_pith_number":"pith:G7VXJTM3","schema_version":"1.0","canonical_sha256":"37eb74cd9bc7652696056f6f020f483c495317f2e2dd049c1b7ef3c4fb294704","source":{"kind":"arxiv","id":"1604.01244","version":1},"attestation_state":"computed","paper":{"title":"Complete kinematical study of the 3$\\alpha$ breakup of the 16.11 MeV state in $^{12}$C","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"H. O. U. Fynbo, K. L. Laursen, K. O. Madsb{\\o}l, K. Riisager, O. S. Kirsebom","submitted_at":"2016-04-05T13:07:33Z","abstract_excerpt":"The reaction $^{11}B+p$ has been used to populate the $(J^{\\pi},T)=(2^+,1)$ state at an excitation energy of 16.11 MeV in $^{12}$C, and the breakup of the state into three $\\alpha$ particles has been studied in complete kinematics. A two-step breakup model which includes interference effects is found to provide the most accurate description of the experimental data. The branching ratio to the ground state of $^8$Be is determined to be 5.1(5)% in agreement with previous findings, but more precise by a factor of two, while the decay to the first-excited state in $^8$Be is found to be dominated b"},"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":"1604.01244","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2016-04-05T13:07:33Z","cross_cats_sorted":[],"title_canon_sha256":"f55feeb6c1b42ee81a8629eb555eab1b69962c7c6803cc83a57fa92931affd87","abstract_canon_sha256":"c1d945217412f23fd38d8b73aad54a567e1c401325cecc987fcc824a259a0718"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:02:44.731402Z","signature_b64":"eRS9ok2MKEoATj3sxa6NKcIkmT8UYScFilqDyv2rAZX1JF8DQjfAHlBHHNM97izrvsTVzUt8oIMPn8To8TmKDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"37eb74cd9bc7652696056f6f020f483c495317f2e2dd049c1b7ef3c4fb294704","last_reissued_at":"2026-05-18T01:02:44.730177Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:02:44.730177Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Complete kinematical study of the 3$\\alpha$ breakup of the 16.11 MeV state in $^{12}$C","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"H. O. U. Fynbo, K. L. Laursen, K. O. Madsb{\\o}l, K. Riisager, O. S. Kirsebom","submitted_at":"2016-04-05T13:07:33Z","abstract_excerpt":"The reaction $^{11}B+p$ has been used to populate the $(J^{\\pi},T)=(2^+,1)$ state at an excitation energy of 16.11 MeV in $^{12}$C, and the breakup of the state into three $\\alpha$ particles has been studied in complete kinematics. A two-step breakup model which includes interference effects is found to provide the most accurate description of the experimental data. The branching ratio to the ground state of $^8$Be is determined to be 5.1(5)% in agreement with previous findings, but more precise by a factor of two, while the decay to the first-excited state in $^8$Be is found to be dominated b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.01244","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":"1604.01244","created_at":"2026-05-18T01:02:44.730278+00:00"},{"alias_kind":"arxiv_version","alias_value":"1604.01244v1","created_at":"2026-05-18T01:02:44.730278+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.01244","created_at":"2026-05-18T01:02:44.730278+00:00"},{"alias_kind":"pith_short_12","alias_value":"G7VXJTM3Y5SS","created_at":"2026-05-18T12:30:15.759754+00:00"},{"alias_kind":"pith_short_16","alias_value":"G7VXJTM3Y5SSNFQF","created_at":"2026-05-18T12:30:15.759754+00:00"},{"alias_kind":"pith_short_8","alias_value":"G7VXJTM3","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/G7VXJTM3Y5SSNFQFN5XQED2IHR","json":"https://pith.science/pith/G7VXJTM3Y5SSNFQFN5XQED2IHR.json","graph_json":"https://pith.science/api/pith-number/G7VXJTM3Y5SSNFQFN5XQED2IHR/graph.json","events_json":"https://pith.science/api/pith-number/G7VXJTM3Y5SSNFQFN5XQED2IHR/events.json","paper":"https://pith.science/paper/G7VXJTM3"},"agent_actions":{"view_html":"https://pith.science/pith/G7VXJTM3Y5SSNFQFN5XQED2IHR","download_json":"https://pith.science/pith/G7VXJTM3Y5SSNFQFN5XQED2IHR.json","view_paper":"https://pith.science/paper/G7VXJTM3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1604.01244&json=true","fetch_graph":"https://pith.science/api/pith-number/G7VXJTM3Y5SSNFQFN5XQED2IHR/graph.json","fetch_events":"https://pith.science/api/pith-number/G7VXJTM3Y5SSNFQFN5XQED2IHR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/G7VXJTM3Y5SSNFQFN5XQED2IHR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/G7VXJTM3Y5SSNFQFN5XQED2IHR/action/storage_attestation","attest_author":"https://pith.science/pith/G7VXJTM3Y5SSNFQFN5XQED2IHR/action/author_attestation","sign_citation":"https://pith.science/pith/G7VXJTM3Y5SSNFQFN5XQED2IHR/action/citation_signature","submit_replication":"https://pith.science/pith/G7VXJTM3Y5SSNFQFN5XQED2IHR/action/replication_record"}},"created_at":"2026-05-18T01:02:44.730278+00:00","updated_at":"2026-05-18T01:02:44.730278+00:00"}