12C spectroscopy above the 3α threshold

被引：0
|
作者：
Descouvemont, Pierre [1 ]
机构：
[1] Univ Libre Bruxelles, B-1050 Brussels, Belgium
来源：
MANY-BODY CORRELATIONS FROM DILUTE TO DENSE NUCLEAR SYSTEMS (MBC 2011) | 2011年 / 321卷
关键词：
STATES; MODEL; SCATTERING; NUCLEI;
D O I：
10.1088/1742-6596/321/1/012013
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：
We investigate three-alpha continuum states in the hyperspherical formalism for J = 0(+) and J = 2(+). We use the shallow Ali-Bodmer potential and the deep potential of Buck et al. We determine the 3 alpha phase shifts up to E = 6 MeV, in parallel with an analysis of resonances in the framework of the Complex Scaling method. We show that shallow potentials provide additional narrow resonances, in contrast with experimental data. Deep potentials, however, only give rise to broad resonances, and are more consistent with the data.
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页数：4
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