The ${q}\bar{q}$ spectra and the structure of the scalar mesons

Details The ${q}\bar{q}$ spectra and the structure of the scalar mesons The ${q}\bar{q}$ spectra and the structure of the scalar mesons

2003-09-29

arxiv.org/abs/hep-ph/0309319v2

AIP Conf. Proc. 717, 352-356, (2004)

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, to be published in the Proceedings of the "10th International Conference on Hadron Spectroscopy", Aschaffenburg, Germ

Scientific paper

10.1063/1.1799731

The ${q}\bar{q}$ spectrum is studied within a chiral constituent quark model. It provides with a good fit of the available experimental data from light (vector and pseudoscalar) to heavy mesons including some recent results on charmonium. The $0^{++}$ light mesons and the new $D$ states measured at different factories cannot be described as $q\bar q$ pairs and a tetraquark structure is suggested.

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