Mesons of the $f_0$-family in the processes $\pi \pi \to \pi \pi ,K\bar{K},\eta \eta$ up to 1.9 GeV

Yu. S. Surovtsev, D. Krupa, M. Nagy

In combined 2- and 3-channel analyses of experimental data on the coupled processes $\pi \pi \to \pi \pi ,K\bar{K},\eta \eta$ in the channel with $I^G{J}^{PC}=0^{+}{0}^{++}$, various scenarios of these reac…