{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1999:U7GKD44UPM476CS326U7DWFFL2","short_pith_number":"pith:U7GKD44U","schema_version":"1.0","canonical_sha256":"a7cca1f3947b39ff0a5bd7a9f1d8a55eb3e7f2e2af8f80e73d47b15d7e6c4f64","source":{"kind":"arxiv","id":"nucl-ex/9912006","version":2},"attestation_state":"computed","paper":{"title":"Measurement of p + d -> 3He + eta in S(11) Resonance","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Budzanowski, A. Chatterjee, A. Hamacher, A. Magiera, A. Strzalkowski, B. Razen, B. R. Roy, D.Frekers, D. Kolev, D. Protic, G. Kemmerling, G. Lippert, H. Machner, H.Nann, H. S. Plendl, J. Bojowald, J. Ernst, J. Ilieva, J. Lieb, J. Smyrski, K. Grewer, K. Kilian, K. Zwoll, L. Freindl, L. Jarczyk, L.Pentchev, M. Betigeri, M.Drochner, P. A. Zolnierczuk, P. von Rossen, R. Jahn, R. Siudak, R. Tsenov, S. Foertsch, S. Igel, S. Kliczewski, T. Kutsarova, W. Garske, W. Klimala","submitted_at":"1999-12-08T18:13:56Z","abstract_excerpt":"We have measured the reaction p + d -> 3He + eta at a proton beam energy of 980 MeV, which is 88.5 MeV above threshold using the new ``germanium wall'' detector system. A missing--mass resolution of the detector system of 2.6% was achieved. The angular distribution of the meson is forward peaked. We found a total cross section of (573 +- 83(stat.) +- 69(syst.))nb. The excitation function for the present reaction is described by a Breit Wigner form with parameters from photoproduction."},"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":"nucl-ex/9912006","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"1999-12-08T18:13:56Z","cross_cats_sorted":[],"title_canon_sha256":"b5aaebcea6e37a2a66f3d6c096d0fd24fb54e51f93c00cf1f0c569c3ecdf009e","abstract_canon_sha256":"8b2c761b9fdcba1ab4053516b35380d795171b57213b1abcc2f6f4d58958aedb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:57:38.075556Z","signature_b64":"9KkzyO8IrgPLU6CHM8ISwfZaisLJVpP7v72AtDJZBOdyLl8CfysB8+D8c7MGUbTutxhrG2fkXm1byWU4V9omDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a7cca1f3947b39ff0a5bd7a9f1d8a55eb3e7f2e2af8f80e73d47b15d7e6c4f64","last_reissued_at":"2026-07-04T23:57:38.075064Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:57:38.075064Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurement of p + d -> 3He + eta in S(11) Resonance","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Budzanowski, A. Chatterjee, A. Hamacher, A. Magiera, A. Strzalkowski, B. Razen, B. R. Roy, D.Frekers, D. Kolev, D. Protic, G. Kemmerling, G. Lippert, H. Machner, H.Nann, H. S. Plendl, J. Bojowald, J. Ernst, J. Ilieva, J. Lieb, J. Smyrski, K. Grewer, K. Kilian, K. Zwoll, L. Freindl, L. Jarczyk, L.Pentchev, M. Betigeri, M.Drochner, P. A. Zolnierczuk, P. von Rossen, R. Jahn, R. Siudak, R. Tsenov, S. Foertsch, S. Igel, S. Kliczewski, T. Kutsarova, W. Garske, W. Klimala","submitted_at":"1999-12-08T18:13:56Z","abstract_excerpt":"We have measured the reaction p + d -> 3He + eta at a proton beam energy of 980 MeV, which is 88.5 MeV above threshold using the new ``germanium wall'' detector system. A missing--mass resolution of the detector system of 2.6% was achieved. The angular distribution of the meson is forward peaked. We found a total cross section of (573 +- 83(stat.) +- 69(syst.))nb. The excitation function for the present reaction is described by a Breit Wigner form with parameters from photoproduction."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/9912006","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/nucl-ex/9912006/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"nucl-ex/9912006","created_at":"2026-07-04T23:57:38.075119+00:00"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/9912006v2","created_at":"2026-07-04T23:57:38.075119+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/9912006","created_at":"2026-07-04T23:57:38.075119+00:00"},{"alias_kind":"pith_short_12","alias_value":"U7GKD44UPM47","created_at":"2026-07-04T23:57:38.075119+00:00"},{"alias_kind":"pith_short_16","alias_value":"U7GKD44UPM476CS3","created_at":"2026-07-04T23:57:38.075119+00:00"},{"alias_kind":"pith_short_8","alias_value":"U7GKD44U","created_at":"2026-07-04T23:57:38.075119+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/U7GKD44UPM476CS326U7DWFFL2","json":"https://pith.science/pith/U7GKD44UPM476CS326U7DWFFL2.json","graph_json":"https://pith.science/api/pith-number/U7GKD44UPM476CS326U7DWFFL2/graph.json","events_json":"https://pith.science/api/pith-number/U7GKD44UPM476CS326U7DWFFL2/events.json","paper":"https://pith.science/paper/U7GKD44U"},"agent_actions":{"view_html":"https://pith.science/pith/U7GKD44UPM476CS326U7DWFFL2","download_json":"https://pith.science/pith/U7GKD44UPM476CS326U7DWFFL2.json","view_paper":"https://pith.science/paper/U7GKD44U","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=nucl-ex/9912006&json=true","fetch_graph":"https://pith.science/api/pith-number/U7GKD44UPM476CS326U7DWFFL2/graph.json","fetch_events":"https://pith.science/api/pith-number/U7GKD44UPM476CS326U7DWFFL2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/U7GKD44UPM476CS326U7DWFFL2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/U7GKD44UPM476CS326U7DWFFL2/action/storage_attestation","attest_author":"https://pith.science/pith/U7GKD44UPM476CS326U7DWFFL2/action/author_attestation","sign_citation":"https://pith.science/pith/U7GKD44UPM476CS326U7DWFFL2/action/citation_signature","submit_replication":"https://pith.science/pith/U7GKD44UPM476CS326U7DWFFL2/action/replication_record"}},"created_at":"2026-07-04T23:57:38.075119+00:00","updated_at":"2026-07-04T23:57:38.075119+00:00"}