Effective Lagrangian approach to structure of selected nuclei far from stability

The convergence of the effective field theory (EFT) approach of Furnstahl, Serot, and Tang to the nuclear many-body problem is studied by applying it to selected doubly magic nuclei far from stability. An independently developed code, which can incorporate various levels of approximation of the chiral effective Lagrangian, is used to solve the self-consistent relativistic Hartree equations. Results are obtained for ground-state properties such as binding energies, single-particle level structure, and densities of the selected spherical, doubly magic nuclei ^132,100Sn and ^48,78Ni. Calculated spectra of neighboring nuclei differing by one particle or one hole show agreement with the most recent experimental data. Predictions for nucleon densities are presented.