Quark-quark correlations and baryon electroweak observables
H. Hogaasen, K. Kubodera, F. Myhrer
Abstract
The simple independent quark models have difficulties explaining simultaneously the totality of the known hyperon magnetic moments and hyperon semi-leptonic decay rates. We show that both the Goldstone boson loop contributions and the two-quark effective exchange currents are essential in explaining these observables.
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