{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:TT5YNTW7A6IH54AZKRUO4ZIRTM","short_pith_number":"pith:TT5YNTW7","schema_version":"1.0","canonical_sha256":"9cfb86cedf07907ef0195468ee65119b22fcc19867f3638bc7150757ef5b1167","source":{"kind":"arxiv","id":"1203.3336","version":1},"attestation_state":"computed","paper":{"title":"Direct observation of the decay of first excited Hoyle state in $^{12}$C","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"nucl-ex","authors_text":"A. Dey, C. Bhattacharya, G. Mukherjee, G. Prajapati, H. Pai, J. K. Meena, K. Banerjee, M. Biswas, M. Gohil, P. Roy, R. Pandey, S. Bhattacharya, S. Kundu, T. K. Ghosh, T. K. Rana","submitted_at":"2012-03-15T12:02:52Z","abstract_excerpt":"An excited state of $^{12}$C having excitation energy E$_x \\sim$ 9.65 $\\pm$ 0.02 MeV and width (FWHM) $\\sim607\\pm$ 55 keV, which decays to three $ \\alpha $-particles via Hoyle state ($E_x \\sim$ 7.65 MeV), has been directly identified for the first time in the exclusive inelastic scattering of 60 MeV $^{4}$He on $^{12}$C, measured in coincidence with the recoiling $^{12}$C$ ^* $ Hoyle state (decaying mostly as $^{12}$C$ ^* $ $\\rightarrow \\ ^{8} $Be + $ \\alpha $ $\\rightarrow \\ \\alpha + \\alpha + \\alpha$) by event-by-event kinematic reconstruction of the completely detected (4$ \\alpha $) events. T"},"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":"1203.3336","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-03-15T12:02:52Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"eb0c4f85f4d9fb10354650507e24574bea1cd9767b3a2c0a2108f37a46622980","abstract_canon_sha256":"6dcc89c651ebac8c0bfc4d3b952eba005c97302df881b1889232d60643e8a5bd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:00:02.064124Z","signature_b64":"mCiwy21kRw9kp2hpnFhGVJFY0ZmqxbSpjWgrSmavJ4wZugDlIkXVrqosTp+VU7hNQCJ/Uw14dT8UsMLAg2t6Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9cfb86cedf07907ef0195468ee65119b22fcc19867f3638bc7150757ef5b1167","last_reissued_at":"2026-05-18T04:00:02.063558Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:00:02.063558Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Direct observation of the decay of first excited Hoyle state in $^{12}$C","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"nucl-ex","authors_text":"A. Dey, C. Bhattacharya, G. Mukherjee, G. Prajapati, H. Pai, J. K. Meena, K. Banerjee, M. Biswas, M. Gohil, P. Roy, R. Pandey, S. Bhattacharya, S. Kundu, T. K. Ghosh, T. K. Rana","submitted_at":"2012-03-15T12:02:52Z","abstract_excerpt":"An excited state of $^{12}$C having excitation energy E$_x \\sim$ 9.65 $\\pm$ 0.02 MeV and width (FWHM) $\\sim607\\pm$ 55 keV, which decays to three $ \\alpha $-particles via Hoyle state ($E_x \\sim$ 7.65 MeV), has been directly identified for the first time in the exclusive inelastic scattering of 60 MeV $^{4}$He on $^{12}$C, measured in coincidence with the recoiling $^{12}$C$ ^* $ Hoyle state (decaying mostly as $^{12}$C$ ^* $ $\\rightarrow \\ ^{8} $Be + $ \\alpha $ $\\rightarrow \\ \\alpha + \\alpha + \\alpha$) by event-by-event kinematic reconstruction of the completely detected (4$ \\alpha $) events. T"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.3336","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":"1203.3336","created_at":"2026-05-18T04:00:02.063635+00:00"},{"alias_kind":"arxiv_version","alias_value":"1203.3336v1","created_at":"2026-05-18T04:00:02.063635+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.3336","created_at":"2026-05-18T04:00:02.063635+00:00"},{"alias_kind":"pith_short_12","alias_value":"TT5YNTW7A6IH","created_at":"2026-05-18T12:27:23.164592+00:00"},{"alias_kind":"pith_short_16","alias_value":"TT5YNTW7A6IH54AZ","created_at":"2026-05-18T12:27:23.164592+00:00"},{"alias_kind":"pith_short_8","alias_value":"TT5YNTW7","created_at":"2026-05-18T12:27:23.164592+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/TT5YNTW7A6IH54AZKRUO4ZIRTM","json":"https://pith.science/pith/TT5YNTW7A6IH54AZKRUO4ZIRTM.json","graph_json":"https://pith.science/api/pith-number/TT5YNTW7A6IH54AZKRUO4ZIRTM/graph.json","events_json":"https://pith.science/api/pith-number/TT5YNTW7A6IH54AZKRUO4ZIRTM/events.json","paper":"https://pith.science/paper/TT5YNTW7"},"agent_actions":{"view_html":"https://pith.science/pith/TT5YNTW7A6IH54AZKRUO4ZIRTM","download_json":"https://pith.science/pith/TT5YNTW7A6IH54AZKRUO4ZIRTM.json","view_paper":"https://pith.science/paper/TT5YNTW7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1203.3336&json=true","fetch_graph":"https://pith.science/api/pith-number/TT5YNTW7A6IH54AZKRUO4ZIRTM/graph.json","fetch_events":"https://pith.science/api/pith-number/TT5YNTW7A6IH54AZKRUO4ZIRTM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TT5YNTW7A6IH54AZKRUO4ZIRTM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TT5YNTW7A6IH54AZKRUO4ZIRTM/action/storage_attestation","attest_author":"https://pith.science/pith/TT5YNTW7A6IH54AZKRUO4ZIRTM/action/author_attestation","sign_citation":"https://pith.science/pith/TT5YNTW7A6IH54AZKRUO4ZIRTM/action/citation_signature","submit_replication":"https://pith.science/pith/TT5YNTW7A6IH54AZKRUO4ZIRTM/action/replication_record"}},"created_at":"2026-05-18T04:00:02.063635+00:00","updated_at":"2026-05-18T04:00:02.063635+00:00"}