Naturalness of the Coleman-Glashow Mass Relation in the 1/Nc Expansion: an Update
Elizabeth Jenkins, Richard F. Lebed
Abstract
A new measurement of the Xi0 mass verifies the accuracy of the Coleman-Glashow relation at the level predicted by the 1/Nc expansion. Values for other baryon isospin mass splittings are updated, and continue to agree with the 1/Nc hierarchy.
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