$s\bar{s}$ dominance of the $f_0$(980) meson
  We 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. 
R Delbourgo, Dongsheng Liu and M D Scadron