Theoretical study of energy Levels as a comprehensive description of the nuclear structure for some even-even nuclei

In the present work, the interacting boson model (IBM-1) was used in the calculation of the energy levels as a function of angular momentum E(L) for some even-even deformed nuclei. The calculated results are compared with the available experimental data and they found to be in a good agreement, especially at low-lying states, while at high angular momentum, some theoretical values are somehow larger than experimental.