{"paper":{"title":"Analysis of the new Crystal Ball data on $K^-p\\to\\pi^0\\Lambda$ reaction with beam momenta of $514\\sim 750$ MeV/$c$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"A. Sibirtsev, B.S. Zou, Puze Gao","submitted_at":"2010-11-10T14:24:15Z","abstract_excerpt":"The Crystal Ball Collaboration has recently reported the differential cross sections and $\\Lambda$ polarization for the reaction $K^-p\\rightarrow \\pi^0\\Lambda$ using an incident $K^-$ beam with momenta between 514 and 750 MeV/$c$. We make a partial wave analysis for this process with an effective Lagrangian approach and study the properties of some $\\Sigma$ resonances around this energy range. With the inclusion of the 4-star resonances $\\Sigma(1189)$, $\\Sigma^*(1385)$, $\\Sigma(1670){3\\over 2}^-$, $\\Sigma(1775){5\\over 2}^-$, as well as a $\\Sigma(1635){1\\over 2}^+$, which is compatible with the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.2387","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"}