It is shown that addition of a two-body magnetic dipole operator arising from the exchange of the isovector pion and rho meson to the well-known one-body operator can give important corrections to the magnetic dipole moments of the A=4–16 nuclei. We performed shell-model calculations in complete 0ħω and (0+2)ħω model spaces, thus investigating simultaneously the effects of extension of the model space and meson exchange currents on the magnetic moments. In the enlarged model space a significant improvement on the description of the magnetic moments is obtained by including exchange currents.

• Received 15 August 1990

DOI:https://doi.org/10.1103/PhysRevC.43.335