Spectroscopic study of neutron-rich calcium isotopes with a realistic shell-model interaction
Spectroscopic study of neutron-rich calcium isotopes with a realistic shell-model interaction
复制标题
DOI：
10.1103/physrevc.80.044311
复制
发表时间：
2009-10
影响因子：
3.1
通讯作者：
L. Coraggio;A. Covello;A. Gargano;N. Itaco
中科院分区：
文献类型：
--
作者：
L. Coraggio;A. Covello;A. Gargano;N. Itaco
我们研究了富中子钙同位素的壳模型，采用了实际有效的相互作用，从cd -波恩核子-核子势。通过${V}_{\ mathm {low}\ensuremath{-}\ mathm {k}}$方法对势的短程斥力进行了重整化。计算结果与现有的实验数据吻合得很好，从而支持了我们对迄今未知的$^{53\ensuremath{-}56}\ mathm {Ca}$原子核光谱的预测。在这种情况下，讨论了$N=34$ shell闭包存在的可能性。
We have studied neutron-rich calcium isotopes in terms of the shell model, employing a realistic effective interaction derived from the CD-Bonn nucleon-nucleon potential. The short-range repulsion of the potential is renormalized by way of the ${V}_{\mathrm{low}\ensuremath{-}\mathrm{k}}$ approach. The calculated results are in very good agreement with the available experimental data, thus supporting our predictions for the hitherto unknown spectra of $^{53\ensuremath{-}56}\mathrm{Ca}$ nuclei. In this context, the possible existence of an $N=34$ shell closure is discussed.