Naturalness of the Coleman-Glashow Mass Relation in the 1/N_c Expansion: an Update
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✦ hep-ph
keywords
masscoleman-glashowexpansionrelationaccuracyagreebaryoncontinue
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A new measurement of the Xi^0 mass verifies the accuracy of the Coleman-Glashow relation at the level predicted by the 1/N_c expansion. Values for other baryon isospin mass splittings are updated, and continue to agree with the 1/N_c hierarchy.
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