{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2002:PD4CE226XT23JVP3ARLP3CYG3N","short_pith_number":"pith:PD4CE226","schema_version":"1.0","canonical_sha256":"78f8226b5ebcf5b4d5fb0456fd8b06db741845a1d167ea59bc884d0dcc51c7fd","source":{"kind":"arxiv","id":"nucl-ex/0208004","version":1},"attestation_state":"computed","paper":{"title":"Experimental study of the eta-meson interaction with two-nucleons","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Budzanowski, A. Khoukaz, A. Strzalkowski, B. Kamys, D. Grzonka, Forschungszentrum; Munster U.; Cracow, G. Schepers, H.-H. Adam, INP; Silesia U.), J. Smyrski, K. Kilian, L. Jarczyk, M. Janusz, M. Siemaszko, M. Wolke, N. Lang, P. Kowina, P. Moskal, P. Winter, P. Wustner, R. Czyzykiewicz, R. Santo, S. Steltenkamp, T. Lister, T. Rozek, T. Sefzick, W. Oelert, W. Zipper (Jagellonian U.; Julich","submitted_at":"2002-08-02T20:58:33Z","abstract_excerpt":"By means of the COSY-11 detection system, using a stochastically cooled proton beam of the cooler synchrotron COSY and a hydrogen cluster target, we have performed a high statistics measurement of the pp --> pp eta reaction at an excess energy of Q = 15.5 MeV.\n  The experiment was based on the four-momentum determination of both outgoing protons. This permits to identify pp --> pp eta events and to derive the complete kinematical information of the eta-p-p-system allowing for subsequent investigations of the eta-p interaction.\n  The observed spectrum of the invariant mass of the proton-proton "},"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/0208004","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2002-08-02T20:58:33Z","cross_cats_sorted":[],"title_canon_sha256":"22d0875ba064358d225e68ae9b9e03a0227da05d8e99056951b65b832df33c23","abstract_canon_sha256":"a73ea0575ad90fdaaff5cdbb6b1b4f4b4ddc48e91b035b13145e7b56cb0d633b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:07.913104Z","signature_b64":"ZkP7v7GHs3RSIHv85ZbGgmQrHpfgeec726d6Iu58i+AuNjeiBwa0TwCm2duH2eccFtlyuqJLc2Zm5Bq1EWZQCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78f8226b5ebcf5b4d5fb0456fd8b06db741845a1d167ea59bc884d0dcc51c7fd","last_reissued_at":"2026-05-18T00:37:07.912469Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:07.912469Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Experimental study of the eta-meson interaction with two-nucleons","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Budzanowski, A. Khoukaz, A. Strzalkowski, B. Kamys, D. Grzonka, Forschungszentrum; Munster U.; Cracow, G. Schepers, H.-H. Adam, INP; Silesia U.), J. Smyrski, K. Kilian, L. Jarczyk, M. Janusz, M. Siemaszko, M. Wolke, N. Lang, P. Kowina, P. Moskal, P. Winter, P. Wustner, R. Czyzykiewicz, R. Santo, S. Steltenkamp, T. Lister, T. Rozek, T. Sefzick, W. Oelert, W. Zipper (Jagellonian U.; Julich","submitted_at":"2002-08-02T20:58:33Z","abstract_excerpt":"By means of the COSY-11 detection system, using a stochastically cooled proton beam of the cooler synchrotron COSY and a hydrogen cluster target, we have performed a high statistics measurement of the pp --> pp eta reaction at an excess energy of Q = 15.5 MeV.\n  The experiment was based on the four-momentum determination of both outgoing protons. This permits to identify pp --> pp eta events and to derive the complete kinematical information of the eta-p-p-system allowing for subsequent investigations of the eta-p interaction.\n  The observed spectrum of the invariant mass of the proton-proton "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0208004","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":"nucl-ex/0208004","created_at":"2026-05-18T00:37:07.912560+00:00"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0208004v1","created_at":"2026-05-18T00:37:07.912560+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0208004","created_at":"2026-05-18T00:37:07.912560+00:00"},{"alias_kind":"pith_short_12","alias_value":"PD4CE226XT23","created_at":"2026-05-18T12:25:51.375804+00:00"},{"alias_kind":"pith_short_16","alias_value":"PD4CE226XT23JVP3","created_at":"2026-05-18T12:25:51.375804+00:00"},{"alias_kind":"pith_short_8","alias_value":"PD4CE226","created_at":"2026-05-18T12:25:51.375804+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/PD4CE226XT23JVP3ARLP3CYG3N","json":"https://pith.science/pith/PD4CE226XT23JVP3ARLP3CYG3N.json","graph_json":"https://pith.science/api/pith-number/PD4CE226XT23JVP3ARLP3CYG3N/graph.json","events_json":"https://pith.science/api/pith-number/PD4CE226XT23JVP3ARLP3CYG3N/events.json","paper":"https://pith.science/paper/PD4CE226"},"agent_actions":{"view_html":"https://pith.science/pith/PD4CE226XT23JVP3ARLP3CYG3N","download_json":"https://pith.science/pith/PD4CE226XT23JVP3ARLP3CYG3N.json","view_paper":"https://pith.science/paper/PD4CE226","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=nucl-ex/0208004&json=true","fetch_graph":"https://pith.science/api/pith-number/PD4CE226XT23JVP3ARLP3CYG3N/graph.json","fetch_events":"https://pith.science/api/pith-number/PD4CE226XT23JVP3ARLP3CYG3N/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PD4CE226XT23JVP3ARLP3CYG3N/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PD4CE226XT23JVP3ARLP3CYG3N/action/storage_attestation","attest_author":"https://pith.science/pith/PD4CE226XT23JVP3ARLP3CYG3N/action/author_attestation","sign_citation":"https://pith.science/pith/PD4CE226XT23JVP3ARLP3CYG3N/action/citation_signature","submit_replication":"https://pith.science/pith/PD4CE226XT23JVP3ARLP3CYG3N/action/replication_record"}},"created_at":"2026-05-18T00:37:07.912560+00:00","updated_at":"2026-05-18T00:37:07.912560+00:00"}