Coulomb breakup effects on the elastic cross section of 6He+209Bi scattering near Coulomb barrier energies

被引：131
|
作者：
Matsumoto, T.
Egami, T.
Ogata, K.
Iseri, Y.
Kamimura, M.
Yahiro, M.
机构：
[1] RIKEN, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan
[2] Kyushu Univ, Dept Phys, Fukuoka 8128581, Japan
[3] Chiba Keizai Coll, Dept Phys, Chiba 2630021, Japan
来源：
PHYSICAL REVIEW C | 2006年 / 73卷 / 05期
关键词：
D O I：
10.1103/PhysRevC.73.051602
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 accurately analyze the He-6+Bi-209 scattering at 19 and 22.5 MeV near the Coulomb barrier energy, using the continuum-discretized coupled-channels (CDCC) method based on the n+n+ He-4+Bi-209 four-body model. The three-body breakup continuum of He-6 is discretized by diagonalizing the internal Hamiltonian of He-6 in a space spanned by the Gaussian basis functions. The calculated elastic and total reaction cross sections are in good agreement with the experimental data, whereas the CDCC calculation based on the dineutron model of He-6, that is, the (2)n+ He-4+Bi-209 three-body model, does not reproduce the data.
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页数：5
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