Tetramixing of vector and pseudoscalar mesons: A source of intrinsic quarks
Tetramixing of vector and pseudoscalar mesons: A source of intrinsic quarks
The tetramixing of pseudoscalar mesons $\ensuremath{\pi}$-$\ensuremath{\eta}$-${\ensuremath{\eta}}^{\ensuremath{'}}$-${\ensuremath{\eta}}_{c}$ and vector mesons $\ensuremath{\omega}$-$\ensuremath{\rho}$-$\ensuremath{\phi}$-$J/\ensuremath{\psi}$ are studied in the light-cone constituent quark model, and such mixing of four mesons provides a natural source for the intrinsic charm $c\overline{c}$ components of light mesons. By mixing with the light mesons, the charmonium states $J/\ensuremath{\psi}$ and ${\ensuremath{\eta}}_{c}$ could …