{"paper":{"title":"On the nature of the Lambda(1405) as a superposition of two states","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"E. Oset, Ramos, V.K. Magas","submitted_at":"2005-12-29T12:10:58Z","abstract_excerpt":"We use recent data on the $K^- p \\to \\pi^0 \\pi^0 \\Sigma^0$ reaction with the $\\pi^0 \\Sigma^0$ mass distribution of forming the $\\Lambda(1405)$ with a peak at 1420 MeV and a relatively narrow width of $\\Gamma = 38$ MeV, together with those of the $\\pi^- p \\to K^0 \\pi \\Sigma$ reaction to show that there are two $\\Lambda(1405)$ states instead of one as so far assumed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0512361","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"}