Revisiting the determining fraction of glueball component in $f_0$ mesons via radiative decays of $J/\psi$

Xing-Dao Guo, Hong-Wei Ke, Ming-Gang Zhao +2

QCD theory predicts the existence of glueballs, but so far all experimental endeavors have failed to identify any such states. To remedy this discrepancy between QCD, which has pro…