Abstract
The recently discovered first order rotational correction to the nucleon axial-vector coupling constant g A within the framework of the chiral quark soliton model appears to provide us with an unexpectedly simple solution to the long-standing g A problem in the Skyrme model. A prominent feature of this special type of 1 N c correction is that the corresponding effect is entirely missing in the Skyrme model. We try to clarify the underlying mathematical reason why such a crucial difference appears between these two intimately-connected effective theories of baryons.
Published Version
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