2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/190608We prove that recent data demonstrates unequivocally that the scalar meson $f_0$(980) is mostly composed of $s\bar{s}$ quarks and that the coupling of $f_0$ to photons and mesons is in agreement with the linear sigma model.10 pages, including figures. Parts of captions 1 and 3 reversed in replacement, to appear in Physics Letters BHigh Energy Physics - Phenomenologytext