Abstract
Two photon decay widths of the JP = O+ scalar mesons a0(980), f0(980), f0(1370) and χc0 are calculated in a covariant model which is characterized by the quark–antiquark structure. Previously such models were used to calculate current form factors. Here a different application is tried. A simple version of the model uses adjusted nonrelativistic model parameters with small quark masses. The results seem to prefer nonideal mixing of f0(980) and f0(1370). The calculated decay rate of χc0 agrees with the experimental results.
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