The meson spectra beyond a q q description
J. Vijande, F. Fernandez, A. Valcarce
Abstract
Despite the apparent simplicity of meson spectroscopy there are some states which cannot be accommodated in the usual q q structure. Among them there are either exotic states as the X(1600), or the recently measured charmed states DsJ* and some of the light scalar mesons. We present a description of the light scalar mesons in terms of q q and qq q q components.
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