Light-meson masses in an unquenched quark model

Xiaoyun Chen, Jialun Ping, Craig D. Roberts +1

We perform a coupled-channels calculation of the masses of light mesons with the quantum numbers $I{J}^{P=-}$, $(I,J)=0,1$, by including $q\bar{q}$ and $(q\bar{q}{)}^2$ components in a…