Why Naive Quark Model Can Yield a Good Account of the Baryon Magnetic Moments
T. P. Cheng, Ling-Fong Li
Abstract
The chiral quark model suggests that the baryon quark-sea is negatively polarized. This modifies the spin structure as given by the naive quark model and agrees with experimental data. However, for the magnetic moments, there is significant cancellation between the contritutions from this sea spin-polarization and the orbital angular momentum so that effectively the moments are given by the valence constituent quarks alone, as in the NQM.
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