Isovector pair correlations in analytically solvable models

G. Nikoghosyan, A. Balabekyan, E. Kolganova, R. Jolos, D. A. Sazonov
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Abstract

The eigensolutions of the collective Hamiltonian with different potentials suggested for description of the isovector pair correlations are obtained, analyzed and compared with the experimental energies. It is shown that the isovector pair correlations in nuclei around $^{56}$Ni can be described as anharmonic pairing vibrations. The results obtained indicate the presence of the $\alpha$-particle type correlations in these nuclei and the existence of the interaction different from isovector pairing which also influences on the isospin dependence of the energies.
解析可解模型中的等向量对相关性
得到了描述等矢量对相关关系的不同势的集体哈密顿函数的特征解,并与实验能量进行了比较分析。结果表明,$^{56}$Ni周围原子核的等矢量对相关可以描述为非调和配对振动。结果表明,在这些原子核中存在着$\ α $-粒子型相关,存在着不同于同位矢量对的相互作用,这也影响了同位旋对能量的依赖。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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