A Comprehensive Study of the Radiative Decays of $J/psi$ and $psi(2S)$ to Pseudoscalar Meson Pairs, and Search for Glueballs

Using 53 pb$^{-1}$ of $e^+e^-$ annihilation data taken at $sqrt{s}=3.686$ GeV, a comprehensive study has been made of the radiative decays of samples of 5.1 million $J/psi$ and 24.5 million $psi(2S)$ into pairs of pseudoscalar mesons, $pi^+pi^-$, $pi^0pi^0$, $K^+K^-$, $K_S^0K_S^0$, and $etaeta$. Product branching fractions for the radiative decays of $J/psi$ and $psi(2S)$ to scalar resonances $f_0(1370,1500,1710,2100, text{and} 2200)$, and tensor resonances $f_2(1270,1525, text{and} 2230)$ have been determined, and are discussed in relation to predicted glueballs. For $psi(2S)$ radiative decays the search for glueballs has been extended to masses between 2.5 GeV and 3.3 GeV.