{"paper":{"title":"Hyperon I: Study of the $\\Lambda(1405)$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"nucl-ex","authors_text":"A.V. Anisovich, A.V. Sarantsev, E. Klempt, R.A. Schumacher, U. Thoma, V.A. Nikonov, V. Burkert","submitted_at":"2019-05-14T08:45:55Z","abstract_excerpt":"Low-energy data on the three charge states in $\\gamma p \\to K^+(\\Sigma\\pi)$ from CLAS at JLab, on $K^-p\\to \\pi^0\\pi^0\\Lambda$ and $\\pi^0\\pi^0\\Sigma$ from the Crystal Ball at BNL, bubble chamber data on $K^-p\\to\\pi^-\\pi^+\\pi^{\\pm}\\Sigma^{\\mp}$, low-energy total cross sections on $K^-$ induced reactions, and data on the $K^-p$ atom are fitted with the BnGa partial-wave-analysis program. We find that the data can be fitted well with just one isoscalar spin-1/2 negative-parity pole, the $\\Lambda(1405)$, and background contributions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.05456","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"}