Light and heavy baryon masses: the 1/Nc expansion and the quark model
Abstract
We establish a connection between the quark model and the 1/Nc expansion mass formulas used in the description of baryon resonances. We show that a remarkable compatibility exists between the two methods in the light and heavy baryon sectors. In particular, the band number used to classify baryons in the 1/Nc expansion is explained by the quark model and the mass formulas for both approaches are consistent.
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