{"paper":{"title":"Chiral Dynamics of scalar mesons: radiative $\\phi$ decay and $\\sigma$ in the medium through $\\pi^0 \\pi^0$ nuclear photoproduction","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"E. Oset, J. Palomar, L. Roca, M.J. Vicente Vacas","submitted_at":"2003-07-09T15:34:36Z","abstract_excerpt":"In order to assess the relevance of chiral dynamics in the scalar sector we address two recent problems: radiative decay of the $\\phi$, for which there are quite recent data from Frascati, and the modification of the $\\sigma$ properties in the nuclear medium seen through the $\\pi^0 \\pi^0$ photoproduction in nuclei."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/0307034","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"}