{"paper":{"title":"Analysis of $\\Lambda_c(2595)$, $\\Lambda_c(2625)$, $\\Lambda_b(5912)$, $\\Lambda_b(5920)$ based on a chiral partner structure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"Masayasu Harada, Yohei Kawakami","submitted_at":"2018-04-13T10:12:39Z","abstract_excerpt":"We construct an effective hadronic model including $\\Lambda_c(2595)$, $\\Lambda_c(2625)$, $\\Lambda_b(5912)$ and $\\Lambda_b(5920)$ regarding them as chiral partners to $\\Sigma_c(2455)$, $\\Sigma_c(2520)$, $\\Sigma_b$ and $\\Sigma_b^\\ast$, respectively, with respecting the chiral symmetry and heavy-quark spin-flavor symmetry. We determine the model parameters from the experimental data for relevant masses and decay widths of $\\Sigma_c^{(\\ast)}$ and $\\Lambda_c(2595)$. Then, we study the decay widths of $\\Lambda_c(2625)$, $\\Lambda_b(5912)$ and $\\Lambda_b(5920)$. We find that, although the decay of $\\L"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.04872","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"}