On charm scalar resonances
Abstract
A brief overview of charm scalar resonances is given. It is demonstrated that experimental data on the Ds*+gamma and Ds+pi0 decays of Ds0+(2317) favor its assignment to the I3=0 component of iso-triplet four-quark mesons. The broad bump just below a large peak of the well-known D2* meson in the Dpi channel is also studied.
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