{"paper":{"title":"Decay width of $d^*(2380)\\to NN \\pi\\pi$ processes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"Fei Huang, Pengnian Shen, Yubing Dong, Zongye Zhang","submitted_at":"2016-03-29T12:44:08Z","abstract_excerpt":"The decay widths of four-body double-pion decays $\\ds\\to pn \\pi^0\\pi^0$, $\\ds\\to pn \\pi^+\\pi^-$, and iso-scalar parts of $\\ds\\to pp \\pi^0\\pi^-$ and $\\ds\\to nn \\pi^+\\pi^0$ are explicitly calculated with the help of the $d^*$ wave function obtained in a chiral SU(3) quark model calculation. The effect of the dynamical structure on $\\ds$'s width is analyzed both in the single $\\Delta\\Delta$ channel and coupled $\\Delta\\Delta$ and $CC$ channel approximations. It is found that in the coupled-channel approximation, the obtained partial decay widths of $\\ds\\to pn \\pi^0\\pi^0$, $\\ds\\to pn \\pi^+\\pi^-$, a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.08748","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"}