Nuclear Structure of Ce Nuclei within Interacting Boson Model-2

Ali N. Sabbar, S. N. Abood
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Abstract

Using the Interacting Boson Model-2 (IBM-2), we determined the most appropriate Hamiltonian for the current calculations of energy levels and electromagnetic transition probability values of 124-138Ce nuclei with a mass around A=140  in this study. We estimated energy levels and electromagnetic values and mixing ratios (E2/M1)  for a number of transitions in 124-138Ce isotopes using the best fitted values of parameters in the IBM-2 Hamiltonian. When the results were compared to the experimental data, they were found to be in good agreement.
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相互作用玻色子模型-2中Ce原子核的核结构
利用相互作用玻色子模型-2 (IBM-2),我们确定了当前计算质量在a =140左右的124-138Ce原子核能级和电磁跃迁概率值的最合适的哈密顿量。我们利用IBM-2哈密顿量参数的最佳拟合值估计了124-138Ce同位素中若干跃迁的能级、电磁值和混合比(E2/M1)。将计算结果与实验数据进行比较,发现两者吻合得很好。
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