Determination of the structure of {31}ne by a fully microscopic framework.
Determination of the structure of {31}ne by a fully microscopic framework.
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DOI：
10.1103/physrevlett.108.052503
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发表时间：
2011-10
影响因子：
8.6
通讯作者：
K. Minomo;T. Sumi;M. Kimura;K. Ogata;Y. Shimizu;M. Yahiro
中科院分区：
文献类型：
--
作者：
K. Minomo;T. Sumi;M. Kimura;K. Ogata;Y. Shimizu;M. Yahiro
本文首次采用双折叠模型，结合墨尔本g矩阵和由反对称化分子动力学计算的变形射弹密度，对240 MeV/核子的{12}C与{28-32}Ne的反应截面进行了定量分析.为了描述{31}Ne最后一个中子的尾部，我们采用了共振群方法和反对称分子动力学相结合的方法。理论预测很好地再现了{28-32}Ne的测量截面，没有可调参数。{31}Ne的基态性质，即，强形变和自旋宇称为3/2{-}的晕结构。
We perform the first quantitative analysis of the reaction cross sections of {28-32}Ne by {12}C at 240 MeV/nucleon, using the double-folding model with the Melbourne g matrix and the deformed projectile density calculated by antisymmetrized molecular dynamics. To describe the tail of the last neutron of {31}Ne, we adopt the resonating group method combined with antisymmetrized molecular dynamics. The theoretical prediction excellently reproduces the measured cross sections of {28-32}Ne with no adjustable parameters. The ground state properties of {31}Ne, i.e., strong deformation and a halo structure with spin parity 3/2{-}, are clarified.