arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1702.01599nucl-th
收藏

在$^{26}$ O核上检验的平均场和三体组合模型

A combined mean-field and three-body model tested on the $^{26}$O-nucleus

D. Hove, E. Garrido, P. Sarriguren, D. V. Fedorov, H. O. U. Fynbo, A. S. Jensen, N. T. Zinner

摘要:

我们结合了几个和多体自由度的模型适用于绑定和连续状态,并适用于不同的物理子领域。我们建立了一个被两个价核子包围的核心核的自洽三体模型。我们在平均场近似下处理核心,并在核心和价核子之间使用相同的有效Skyrme相互作用。我们将该模型应用于$^{26}$ O,在那里我们再现了已知的实验数据以及具有更多参数的唯象模型。发现基态的衰变通过$^{25}$ O的良好再现的$d_{3/2}$ -共振直接进入连续谱而没有虚顺序衰变的影响。

英文摘要:

We combine few- and many-body degrees of freedom in a model applicable to both bound and continuum states and adaptable to different subfields of physics. We formulate a self-consistent three-body model for a core-nucleus surrounded by two valence nucleons. We treat the core in the mean-field approximation and use the same effective Skyrme interaction between both core and valence nucleons. We apply the model to $^{26}$O where we reproduce the known experimental data as well as phenomenological models with more parameters. The decay of the ground state is found to proceed directly into the continuum without effect of the virtual sequential decay through the well reproduced $d_{3/2}$-resonance of $^{25}$O.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑