{"paper":{"title":"Phenomenological study on the $\\bar p N\\to \\bar NN\\pi\\pi$ reactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Bing-Song Zou, Hu-Shan Xu, Xu Cao","submitted_at":"2010-09-06T14:00:03Z","abstract_excerpt":"We extend our recent phenomenological study of $pN \\to NN\\pi\\pi$ reactions to the $\\bar{p}N \\to \\bar{N}N\\pi\\pi$ reactions for anti-proton beam momenta up to 3.0 GeV within an effective Lagrangian approach. The contribution of $N^*(1440)$ with its $N\\sigma$ decay mode is found to be dominant at the energies close to threshold for $\\bar NN\\pi^+\\pi^-$ and $\\bar NN\\pi^0\\pi^0$ channels. At higher energies or for $p\\bar n\\pi^-\\pi^-$ and $\\bar NN\\pi^\\pm\\pi^0$ channels where $N^*(1440)\\to N\\sigma$ mode cannot contribute, large contributions from double-$\\Delta$, $\\Delta(1600) \\to N^*(1440)\\pi$, $\\Delt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.1060","kind":"arxiv","version":3},"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"}