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In this paper, we have reviewed the calculation of ground states energy level up to spin 14+, electric quadrupole moments up to spin 12+, and reduced transition probabilities of Hafnium isotopes with even neutron N = 100-108 by Interacting Boson Model (IBM-1). The calculated results are compared with previous available experimental data and found good agreement for all nuclei. Moreover, we have studied potential energy surface of those nuclei. The systematic studies of quadrupole moments, reduced transition strength, yrast level and potential energy surface of those nuclei show an important property that they are deformed and have dynamical symmetry SU(3) characters.
ABSTRACT:In this paper, an interacting boson model (IBM-1) has been used to calculate the low-lying positive parity yrast bands in Hf, W, and Os nuclei for N = 108 neutrons. The systematic yrast level, electric reduced transition probabilities B(E2) ↓, deformation, and quadrupole moments of those nuclei are calculated and compared with the available experimental values. The ratio of the excitation energies of first 4 + and first 2 + excited states, R 4/2 , is also studied for these nuclei. Furthermore, as a measure to quantify the evolution, we have studied systematically the
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