Application of contact interactions to Borromean halos

被引:143
作者
Esbensen, H [1 ]
Bertsch, GF
Hencken, K
机构
[1] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA
[2] Univ Washington, Inst Nucl Theory, Seattle, WA 98195 USA
来源
PHYSICAL REVIEW C | 1997年 / 56卷 / 06期
关键词
D O I
10.1103/PhysRevC.56.3054
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
Li-11 and He-6 are described as three-body systems using different approaches. We compare our technique, based on a density-dependent, cutoff, contact interaction between the valence neutrons, with a Faddeev approach which is based on realistic interactions. The ground state properties of a weakly bound two-neutron halo are described fairly well once the contact interaction has been adjusted and calibrated to produce a realistic scattering length and effective range.
引用
收藏
页码:3054 / 3062
页数:9
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