{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2003:UEYWOYGNNSEBUV5DZ2CWBDEDHF","short_pith_number":"pith:UEYWOYGN","schema_version":"1.0","canonical_sha256":"a1316760cd6c881a57a3ce85608c833955bb65fcc1f93d9f129a35cb5021c5e1","source":{"kind":"arxiv","id":"nucl-ex/0301019","version":3},"attestation_state":"computed","paper":{"title":"Study of the p p -> p p pi+ pi- Reaction in the Low-Energy Tail of the Roper Resonance","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Johansson, A. Kupsc, A. Sukhanov, A. Turowiecki, B. Hoistad, B. Morosov, C. Ekstrom, G.J. Wagner, H. Calen, H. Clement, J. Greiff, J. Johanson, J. Paetzold, J. Stepaniak, J. Zabierowski, J. Zlomanczuk, K. Fransson, K. Kilian, M. Bashkanov, M. Schepkin, P. Marciniewski, R. Bilger, R.J.M.Y. Ruber, S. Haggstrom, S. Kullander, T. Johansson, W. Brodowski, W. Oelert, W. Scobel, Z. Wilhelmi","submitted_at":"2003-01-31T15:58:49Z","abstract_excerpt":"Exclusive measurements of the p p -> p p pi+ pi- reaction have been carried out at Tp = 775 MeV at CELSIUS using the PROMICE/WASA setup. Together with data obtained at lower energy they point to a dominance of the Roper excitation in this process. From the observed interference of its decay routes N* -> N sigma and N* -> Delta pi -> N sigma their energy-dependent relative branching ratio is determined."},"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/0301019","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2003-01-31T15:58:49Z","cross_cats_sorted":[],"title_canon_sha256":"9e79dc3e28b0a0258d0180b45e2fd3ef62643058f1ada3b63c83e360e2278949","abstract_canon_sha256":"b036dff0d6f701edee18d1bea3841ed16ae6bc39e0658213bf0a82cdbfa12429"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:41:48.024799Z","signature_b64":"jD2sOtEMLCDUdsTgCvAmKjBKSLBNnby4OFrXQ2+gEVASGblDy0s+m8AZ1jwbWVlTCYjA0UAiyvdCxvFeJpUFCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1316760cd6c881a57a3ce85608c833955bb65fcc1f93d9f129a35cb5021c5e1","last_reissued_at":"2026-07-04T16:41:48.024387Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:41:48.024387Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Study of the p p -> p p pi+ pi- Reaction in the Low-Energy Tail of the Roper Resonance","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Johansson, A. Kupsc, A. Sukhanov, A. Turowiecki, B. Hoistad, B. Morosov, C. Ekstrom, G.J. Wagner, H. Calen, H. Clement, J. Greiff, J. Johanson, J. Paetzold, J. Stepaniak, J. Zabierowski, J. Zlomanczuk, K. Fransson, K. Kilian, M. Bashkanov, M. Schepkin, P. Marciniewski, R. Bilger, R.J.M.Y. Ruber, S. Haggstrom, S. Kullander, T. Johansson, W. Brodowski, W. Oelert, W. Scobel, Z. Wilhelmi","submitted_at":"2003-01-31T15:58:49Z","abstract_excerpt":"Exclusive measurements of the p p -> p p pi+ pi- reaction have been carried out at Tp = 775 MeV at CELSIUS using the PROMICE/WASA setup. Together with data obtained at lower energy they point to a dominance of the Roper excitation in this process. From the observed interference of its decay routes N* -> N sigma and N* -> Delta pi -> N sigma their energy-dependent relative branching ratio is determined."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0301019","kind":"arxiv","version":3},"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/0301019/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/0301019","created_at":"2026-07-04T16:41:48.024452+00:00"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0301019v3","created_at":"2026-07-04T16:41:48.024452+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0301019","created_at":"2026-07-04T16:41:48.024452+00:00"},{"alias_kind":"pith_short_12","alias_value":"UEYWOYGNNSEB","created_at":"2026-07-04T16:41:48.024452+00:00"},{"alias_kind":"pith_short_16","alias_value":"UEYWOYGNNSEBUV5D","created_at":"2026-07-04T16:41:48.024452+00:00"},{"alias_kind":"pith_short_8","alias_value":"UEYWOYGN","created_at":"2026-07-04T16:41:48.024452+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/UEYWOYGNNSEBUV5DZ2CWBDEDHF","json":"https://pith.science/pith/UEYWOYGNNSEBUV5DZ2CWBDEDHF.json","graph_json":"https://pith.science/api/pith-number/UEYWOYGNNSEBUV5DZ2CWBDEDHF/graph.json","events_json":"https://pith.science/api/pith-number/UEYWOYGNNSEBUV5DZ2CWBDEDHF/events.json","paper":"https://pith.science/paper/UEYWOYGN"},"agent_actions":{"view_html":"https://pith.science/pith/UEYWOYGNNSEBUV5DZ2CWBDEDHF","download_json":"https://pith.science/pith/UEYWOYGNNSEBUV5DZ2CWBDEDHF.json","view_paper":"https://pith.science/paper/UEYWOYGN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=nucl-ex/0301019&json=true","fetch_graph":"https://pith.science/api/pith-number/UEYWOYGNNSEBUV5DZ2CWBDEDHF/graph.json","fetch_events":"https://pith.science/api/pith-number/UEYWOYGNNSEBUV5DZ2CWBDEDHF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UEYWOYGNNSEBUV5DZ2CWBDEDHF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UEYWOYGNNSEBUV5DZ2CWBDEDHF/action/storage_attestation","attest_author":"https://pith.science/pith/UEYWOYGNNSEBUV5DZ2CWBDEDHF/action/author_attestation","sign_citation":"https://pith.science/pith/UEYWOYGNNSEBUV5DZ2CWBDEDHF/action/citation_signature","submit_replication":"https://pith.science/pith/UEYWOYGNNSEBUV5DZ2CWBDEDHF/action/replication_record"}},"created_at":"2026-07-04T16:41:48.024452+00:00","updated_at":"2026-07-04T16:41:48.024452+00:00"}