Describing non-q q candidates
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 charm states DsJ* and X(3872) and some of the light scalar mesons. In this work we present a possible description of these states in terms of tetraquarks.
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