Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-09-09
Phys.Rev.Lett. 80 (1998) 2789-2792
Physics
High Energy Physics
High Energy Physics - Phenomenology
Scientific paper
10.1103/PhysRevLett.80.2789
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.
Cheng Ta-Pei
Li Ling-Fong
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