Coulomb effects on the formation of proton halo nuclei

This paper makes some qualitative and quantitative analyses about halo formation rules of some mirror nuclei with the relativistic mean-field （RMF） theory and the Woods Saxon mean-field model. By analysing two opposite effects of Coulomb interaction on the proton halo formation, it finds that the en...

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Bibliographic Details
Published in:Chinese physics B 2009-12, Vol.18 (12), p.5267-5271, Article 5267
Main Author: 梁玉洁 李岩松 朱民 刘祖华 周宏余
Format: Article
Language:English
Subjects:
Atomic properties
Barriers
Coulomb friction
Energy levels
Halos
Quantitative analysis
场模型
定量分析
库仑效应
库仑相互作用
整体效果
束晕形成
质子晕核
质量数
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Summary:This paper makes some qualitative and quantitative analyses about halo formation rules of some mirror nuclei with the relativistic mean-field （RMF） theory and the Woods Saxon mean-field model. By analysing two opposite effects of Coulomb interaction on the proton halo formation, it finds that the energy level shift has a larger contribution than that of the Coulomb barrier when the mass number A is small, the hindrance of the Coulomb barrier becomes more obvious with the increase of the mass number A, and the overall effect of the Coulomb interaction almost disappears when A ≈ 39 as its two effects counteract with each other.
ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/18/12/025