LAUSR

Excitation energy, reduced transition rates, and g factors of the lowest 2+ and 3− states of even-even N = 82 and N = 126 isotones are studied in relativistic QRPA formalism. These values are compared to available experimental data and some of the recent theoretical results. In the following the obtained results are presented first for N = 82 isotones with Z = 36–72, that is very neutron-rich to neutron-deficient nuclei with N/Z varying from 2.28 to 1.14 and then for N = 126 isotones with Z = 76–92. These calculations are performed employing NL3, as well as its recently revised version NL3∗ set of the RMF Lagrangian parameters. It is found that both the interaction sets produce almost similar results. The agreement with available data is rather satisfactory in view of such a wide range of nuclei considered here, though there are serious disagreements like in the case of Ce and properties of 3− states of N = 126 isotones.