{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:TGV2MAD5X3JBMJUQ7ZH7MRY5ES","short_pith_number":"pith:TGV2MAD5","schema_version":"1.0","canonical_sha256":"99aba6007dbed2162690fe4ff6471d24b9754f8f0b9716ecfec78fb44f489233","source":{"kind":"arxiv","id":"1206.0426","version":2},"attestation_state":"computed","paper":{"title":"On the SigmaN cusp in the pp -> pK+Lambda reaction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"nucl-ex","authors_text":"A. Erhardt, A. Gillitzer, C. Hanhart, D. Grzonka, E. Borodina, E. Doroshkevich, E. Roderburg, F. Hauenstein, G. J. Wagner, H. Clement, H. Freiesleben, J. Ritman, K. Ehrhardt, K. Kilian, K.-Th. Brinkmann, M. Krapp, M. Roeder, M. Schulte-Wissermann, P. Klja, P. Wintz, P. Wuestner, R. Dzhygadlo, S. Abd El-Samad, T. Sfzick, W. Eyrich, W. Gast, W. Schroeder","submitted_at":"2012-06-03T09:22:38Z","abstract_excerpt":"Measurements of the $pp \\to pK^+\\Lambda$ reaction at $T_p$ = 2.28 GeV have been carried out at COSY-TOF. In addition to the $\\Lambda p$ FSI and $N^*$ resonance excitation effects a pronounced narrow structure is observed in the Dalitz plot and in its projection on the $p\\Lambda$-invariant mass. The structure appears at the $pp \\to $N$K^+\\Sigma$ threshold and is interpreted as $\\Sigma$N cusp effect. The observed width of 20 MeV/$c^2$ is substantially broader than anticipated from previous inclusive measurements. Angular distributions of this cusp structure are shown to be dissimilar to those in"},"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":"1206.0426","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-06-03T09:22:38Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"5d468851da0ae8a88699f2c62a3d56d548112c9a9496defedf287bb9911166cc","abstract_canon_sha256":"39348318efbc7f62f751fbecfa7afbf4f264f88b39dfb12690d9220541580dbf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:08.537124Z","signature_b64":"i+506xOsfQAtL15s5JwUwrtlIo6juOyVZQyq+tduluRnFyg1WJeZ3vp634hz87M5CzIMrZldaK+B4ezQDmQxAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"99aba6007dbed2162690fe4ff6471d24b9754f8f0b9716ecfec78fb44f489233","last_reissued_at":"2026-05-18T01:57:08.536559Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:08.536559Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the SigmaN cusp in the pp -> pK+Lambda reaction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"nucl-ex","authors_text":"A. Erhardt, A. Gillitzer, C. Hanhart, D. Grzonka, E. Borodina, E. Doroshkevich, E. Roderburg, F. Hauenstein, G. J. Wagner, H. Clement, H. Freiesleben, J. Ritman, K. Ehrhardt, K. Kilian, K.-Th. Brinkmann, M. Krapp, M. Roeder, M. Schulte-Wissermann, P. Klja, P. Wintz, P. Wuestner, R. Dzhygadlo, S. Abd El-Samad, T. Sfzick, W. Eyrich, W. Gast, W. Schroeder","submitted_at":"2012-06-03T09:22:38Z","abstract_excerpt":"Measurements of the $pp \\to pK^+\\Lambda$ reaction at $T_p$ = 2.28 GeV have been carried out at COSY-TOF. In addition to the $\\Lambda p$ FSI and $N^*$ resonance excitation effects a pronounced narrow structure is observed in the Dalitz plot and in its projection on the $p\\Lambda$-invariant mass. The structure appears at the $pp \\to $N$K^+\\Sigma$ threshold and is interpreted as $\\Sigma$N cusp effect. The observed width of 20 MeV/$c^2$ is substantially broader than anticipated from previous inclusive measurements. Angular distributions of this cusp structure are shown to be dissimilar to those in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.0426","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":""},"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":"1206.0426","created_at":"2026-05-18T01:57:08.536663+00:00"},{"alias_kind":"arxiv_version","alias_value":"1206.0426v2","created_at":"2026-05-18T01:57:08.536663+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.0426","created_at":"2026-05-18T01:57:08.536663+00:00"},{"alias_kind":"pith_short_12","alias_value":"TGV2MAD5X3JB","created_at":"2026-05-18T12:27:23.164592+00:00"},{"alias_kind":"pith_short_16","alias_value":"TGV2MAD5X3JBMJUQ","created_at":"2026-05-18T12:27:23.164592+00:00"},{"alias_kind":"pith_short_8","alias_value":"TGV2MAD5","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/TGV2MAD5X3JBMJUQ7ZH7MRY5ES","json":"https://pith.science/pith/TGV2MAD5X3JBMJUQ7ZH7MRY5ES.json","graph_json":"https://pith.science/api/pith-number/TGV2MAD5X3JBMJUQ7ZH7MRY5ES/graph.json","events_json":"https://pith.science/api/pith-number/TGV2MAD5X3JBMJUQ7ZH7MRY5ES/events.json","paper":"https://pith.science/paper/TGV2MAD5"},"agent_actions":{"view_html":"https://pith.science/pith/TGV2MAD5X3JBMJUQ7ZH7MRY5ES","download_json":"https://pith.science/pith/TGV2MAD5X3JBMJUQ7ZH7MRY5ES.json","view_paper":"https://pith.science/paper/TGV2MAD5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1206.0426&json=true","fetch_graph":"https://pith.science/api/pith-number/TGV2MAD5X3JBMJUQ7ZH7MRY5ES/graph.json","fetch_events":"https://pith.science/api/pith-number/TGV2MAD5X3JBMJUQ7ZH7MRY5ES/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TGV2MAD5X3JBMJUQ7ZH7MRY5ES/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TGV2MAD5X3JBMJUQ7ZH7MRY5ES/action/storage_attestation","attest_author":"https://pith.science/pith/TGV2MAD5X3JBMJUQ7ZH7MRY5ES/action/author_attestation","sign_citation":"https://pith.science/pith/TGV2MAD5X3JBMJUQ7ZH7MRY5ES/action/citation_signature","submit_replication":"https://pith.science/pith/TGV2MAD5X3JBMJUQ7ZH7MRY5ES/action/replication_record"}},"created_at":"2026-05-18T01:57:08.536663+00:00","updated_at":"2026-05-18T01:57:08.536663+00:00"}