Chiral Nonet Mixing in ${\eta }^{\prime }\to \eta \pi \pi$ Decay

Amir H. Fariborz, Joseph Schechter, Soodeh Zarepour +1

Underlying mixing of scalar mesons is studied in ${\eta }^{\prime }\to \eta \pi \pi$ decay within a generalized linear sigma model of low-energy QCD which contains two nonets of scalar mesons and…