Baryon Magnetic Moments in the 1/N_c Expansion with Flavor Symmetry Breaking
Elizabeth Jenkins
TL;DR
This paper analyzes baryon magnetic moments using a 1/N_c expansion framework, incorporating flavor and isospin symmetry breaking, revealing a hierarchy consistent with experimental data and significant SU(3) breaking effects.
Contribution
It introduces a combined 1/N_c and flavor symmetry breaking approach to analyze baryon magnetic moments, highlighting the hierarchy and SU(3) breaking effects.
Findings
Experimental data supports the hierarchy predicted by the combined expansion.
Significant SU(3) flavor symmetry breaking in magnetic moments.
Enhanced SU(3) breaking compared to other hadronic observables.
Abstract
The magnetic moments and transition magnetic moments of the ground state baryons are analyzed in an expansion in 1/N_c, SU(3) flavor symmetry breaking and isospin symmetry breaking. There is clear evidence in the experimental data for the hierarchy of magnetic moments of the combined expansion in 1/N_c and flavor breaking. SU(3) breaking in the magnetic moments is expected to be enhanced relative to that of other hadronic observables, and significant SU(3) breaking is found.
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