{"paper":{"title":"The $f_0$ Mesons in Processes $\\pi\\pi\\to\\pi\\pi, K\\bar{K}$ and Chiral Symmetry","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"D. Krupa, M. Nagy, Yu.S. Surovtsev","submitted_at":"2002-03-02T14:00:53Z","abstract_excerpt":"In a combined analysis of the experimental data on the coupled processes $\\pi\\pi\\to\\pi\\pi,K\\bar{K}$ in the channel with $I^GJ^{PC}=0^+0^{++}$, the following results are obtained in a model-independent way: 1) The $f_0(665)$ state with properties of the $\\sigma$-meson is proved to exist; 2) it is shown that the ${f_0}(980)$ and especially ${f_0}(1370)$ (if exists) have a dominant $s{\\bar s}$ component; 3) indications of the glueball nature of the $f_0(1500)$ and of a considerable $s{\\bar s}$ component in the ${f_0}(1710)$ are obtained; 4) conclusion on the linear realization of chiral symmetry "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0203019","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"}