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An effective quark Lagrangian is derived from first principles through bilocal gluon field correlators. It is used to write down equations for baryons, containing both perturbative and nonperturbative fields. As a result one obtains magnetic moments of octet and decuplet baryons without the introduction of constituent quark masses and using only string tension as input. Magnetic moments come out on average in reasonable agreement with experiment, except for nucleons and Sigma(-). The predictions for the proton and neutron are shown to be in close agreement with the empirical values once we choose the string tension to yield the proper nucleon mass. Pionic corrections to the nucleon magnetic moments have been estimated. In particular, the total result of the two-body current contributions is found to be small. Inclusion of the anomalous magnetic moment contributions from pion and kaon loops leads to an improvement of the predictions

Baryon magnetic moments in the effective quark Lagrangian approach