{"paper":{"title":"Interference phenomena in the decay $D^+_s\\to\\eta\\pi^0\\pi^+$ induced by the $a^0_0(980)-f_0(980)$ mixing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"G.N. Shestakov, N.N. Achasov","submitted_at":"2017-04-06T09:49:55Z","abstract_excerpt":"Using the data on the decay $D^+_s\\to f_0(980)\\pi^+\\to K^+K^-\\pi^+$, we estimate the amplitude of the process $D^+_s\\to\\left[f_0(980)\\to (K^+K^-+K^0\\bar K^0)\\to a^0_0(980)\\right]\\pi^+\\to\\eta\\pi^0\\pi^+$, caused by the mixing of $a^0_0(980)$ and $f_0(980)$ resonances that breaks the isotopic invariance due to the $K^+$ and $K^0$ meson mass difference. Effects of the interference of this amplitude with the amplitudes of the main mechanisms responsible for the decay $D^+_s \\to\\eta \\pi^0\\pi^+$ are analyzed. As such mechanisms, we examine the transition $D^+_s\\to\\eta\\rho^+\\to\\eta\\pi^0\\pi^+$, which i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.01763","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"}