{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:5M2QCKF4O2YKUD3SEJ6DGNN6LK","short_pith_number":"pith:5M2QCKF4","schema_version":"1.0","canonical_sha256":"eb350128bc76b0aa0f72227c3335be5ab161f04db52e715a39ca6df43a05f03f","source":{"kind":"arxiv","id":"1502.03030","version":1},"attestation_state":"computed","paper":{"title":"Recoil-alpha-fission and recoil-alpha-alpha-fission events observed in the reaction Ca-48 + Am-243","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Di Nitto, A. Mistry, A. T\\\"urler, A. Ward, A. Yakushev, B.G. Carlsson, B. Kindler, B. Lommel, B. Schausten, C. Fahlander, Ch.E. D\\\"ullmann, C.J. Gross, C. Mokry, D. Ackermann, D. Cox, D.E. Ward, D. Rudolph, E. J\\\"ager, F.P. Hessberger, H. Brand, H. Nitsche, H. Schaffner, I. Kojouharov, I. Ragnarsson, J. Dobaczewski, J. Even, J. Gerl, J. Khuyagbaatar, J. Krier, J.M. Gates, J.P. Omtvedt, J. Runke, J.V. Kratz, K. Eberhardt, K.E. Gregorich, K. Rykaczewski, L.G. Sarmiento, L.-L. Andersson, M. Block, M. Sch\\\"adel, N. Kurz, N. Trautmann, N. Wiehl, P. Golubev, P. Papadakis, P. Th\\\"orle-Pospiech, R.-D. Herzberg, S. \\r{A}berg, T. Torres, T. Traut, U. Forsberg, W. Nazarewicz, X. Derkx, Y. Shi","submitted_at":"2015-02-10T18:32:13Z","abstract_excerpt":"Products of the fusion-evaporation reaction Ca-48 + Am-243 were studied with the TASISpec set-up at the gas-filled separator TASCA at the GSI Helmholtzzentrum f\\\"ur Schwerionenforschung. Amongst the detected thirty correlated alpha-decay chains associated with the production of element Z=115, two recoil-alpha-fission and five recoil-alpha-alpha-fission events were observed. The latter are similar to four such events reported from experiments performed at the Dubna gas-filled separator. Contrary to their interpretation, we propose an alternative view, namely to assign eight of these eleven deca"},"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":"1502.03030","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-02-10T18:32:13Z","cross_cats_sorted":[],"title_canon_sha256":"ca61720a22fdae300e054c7a735c0ab5358e8133783fd049bd351f83970e2e96","abstract_canon_sha256":"52ac764aa64362f4b89acb16b6839cd9b1bfcb27c7cc0ad0e8a5e4e023b598b8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:13.559154Z","signature_b64":"+HlH8qP0a/qYltSDuJFUTfFCRaE/KxT1dGLj4GIFS5BX1CAgTZrU7U7NdtONlmtrWzzOwmWL3k5FFpKiOoZKBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eb350128bc76b0aa0f72227c3335be5ab161f04db52e715a39ca6df43a05f03f","last_reissued_at":"2026-05-18T01:12:13.558523Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:13.558523Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Recoil-alpha-fission and recoil-alpha-alpha-fission events observed in the reaction Ca-48 + Am-243","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Di Nitto, A. Mistry, A. T\\\"urler, A. Ward, A. Yakushev, B.G. Carlsson, B. Kindler, B. Lommel, B. Schausten, C. Fahlander, Ch.E. D\\\"ullmann, C.J. Gross, C. Mokry, D. Ackermann, D. Cox, D.E. Ward, D. Rudolph, E. J\\\"ager, F.P. Hessberger, H. Brand, H. Nitsche, H. Schaffner, I. Kojouharov, I. Ragnarsson, J. Dobaczewski, J. Even, J. Gerl, J. Khuyagbaatar, J. Krier, J.M. Gates, J.P. Omtvedt, J. Runke, J.V. Kratz, K. Eberhardt, K.E. Gregorich, K. Rykaczewski, L.G. Sarmiento, L.-L. Andersson, M. Block, M. Sch\\\"adel, N. Kurz, N. Trautmann, N. Wiehl, P. Golubev, P. Papadakis, P. Th\\\"orle-Pospiech, R.-D. Herzberg, S. \\r{A}berg, T. Torres, T. Traut, U. Forsberg, W. Nazarewicz, X. Derkx, Y. Shi","submitted_at":"2015-02-10T18:32:13Z","abstract_excerpt":"Products of the fusion-evaporation reaction Ca-48 + Am-243 were studied with the TASISpec set-up at the gas-filled separator TASCA at the GSI Helmholtzzentrum f\\\"ur Schwerionenforschung. Amongst the detected thirty correlated alpha-decay chains associated with the production of element Z=115, two recoil-alpha-fission and five recoil-alpha-alpha-fission events were observed. The latter are similar to four such events reported from experiments performed at the Dubna gas-filled separator. Contrary to their interpretation, we propose an alternative view, namely to assign eight of these eleven deca"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.03030","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":"1502.03030","created_at":"2026-05-18T01:12:13.558618+00:00"},{"alias_kind":"arxiv_version","alias_value":"1502.03030v1","created_at":"2026-05-18T01:12:13.558618+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.03030","created_at":"2026-05-18T01:12:13.558618+00:00"},{"alias_kind":"pith_short_12","alias_value":"5M2QCKF4O2YK","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_16","alias_value":"5M2QCKF4O2YKUD3S","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_8","alias_value":"5M2QCKF4","created_at":"2026-05-18T12:29:05.191682+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/5M2QCKF4O2YKUD3SEJ6DGNN6LK","json":"https://pith.science/pith/5M2QCKF4O2YKUD3SEJ6DGNN6LK.json","graph_json":"https://pith.science/api/pith-number/5M2QCKF4O2YKUD3SEJ6DGNN6LK/graph.json","events_json":"https://pith.science/api/pith-number/5M2QCKF4O2YKUD3SEJ6DGNN6LK/events.json","paper":"https://pith.science/paper/5M2QCKF4"},"agent_actions":{"view_html":"https://pith.science/pith/5M2QCKF4O2YKUD3SEJ6DGNN6LK","download_json":"https://pith.science/pith/5M2QCKF4O2YKUD3SEJ6DGNN6LK.json","view_paper":"https://pith.science/paper/5M2QCKF4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1502.03030&json=true","fetch_graph":"https://pith.science/api/pith-number/5M2QCKF4O2YKUD3SEJ6DGNN6LK/graph.json","fetch_events":"https://pith.science/api/pith-number/5M2QCKF4O2YKUD3SEJ6DGNN6LK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5M2QCKF4O2YKUD3SEJ6DGNN6LK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5M2QCKF4O2YKUD3SEJ6DGNN6LK/action/storage_attestation","attest_author":"https://pith.science/pith/5M2QCKF4O2YKUD3SEJ6DGNN6LK/action/author_attestation","sign_citation":"https://pith.science/pith/5M2QCKF4O2YKUD3SEJ6DGNN6LK/action/citation_signature","submit_replication":"https://pith.science/pith/5M2QCKF4O2YKUD3SEJ6DGNN6LK/action/replication_record"}},"created_at":"2026-05-18T01:12:13.558618+00:00","updated_at":"2026-05-18T01:12:13.558618+00:00"}