Abstract
By comparing SU (3)‐breaking scales of linear mass formulae, it is shown that the lowest vector, axial‐vector, and scalar mesons all have a qq configuration, while the ground‐state octet and decuplet baryons are qqq. Also, the quark‐level linear σ model is employed to predict similar qq and qqq states. Finally, the approximate mass degeneracy of the scalar a0(980) and f0(980) mesons is demonstrated to be accidental.
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