Abstract

Baryon magnetic moments are calculated in the non-relativistic quark model (NQM) incorporating (i) 'natural' quark mass scales for quarks, taken as one-third of the nucleon mass for u and d quarks and the strange quark mass, for the respective hyperon, implied by the sum rules, such as ( Delta -N)/( Sigma *- Sigma )=mu/ms, suggested by the QCD spin-spin forces, (ii) minimal non-trivial mixing mod 8,1/2+)=cos phi mod 56,0+)N=0+sin phi mod 70,0+)N=2, (iii) 'mass correction' which takes into account the effect on magnetic moments due to the difference in baryon masses from those predicted by the additive quark model. Without taking any of the magnetic moments as input, the author finds an excellent fit to the latest data including the difficult cases of Sigma + and Xi -, the remaining discrepancies are within 10% of the data in almost all cases.

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