Study of the 3He(4He,γ)7Be and 3H(4He,γ)7Li Reactions in an Extended Two-Cluster Model

被引：0
|
作者：
A. Csótó
K. Langanke
机构：
[1]  Department of Atomic Physics,
[2] Eötvös University,undefined
[3] Pázmány Péter Sétány 1/A,undefined
[4] H-1117 Budapest,undefined
[5] Hungary,undefined
[6]  Institute for Physics and Astronomy,undefined
[7] Aarhus University,undefined
[8] DK-8000 Aarhus,undefined
[9] Denmark,undefined
来源：
Few-Body Systems | 2000年 / 29卷
关键词：
Reaction Cross; Quadrupole Moment; Reaction Cross Section; Correlation Trend;
D O I：
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学科分类号：
摘要：
 The 3He(4He, γ)7Be and 3H(4He, γ)7Li reactions are studied in an extended two-cluster model which contains α + h/t and 6Li + p/n clusterizations. We show that the inclusion of the 6Li + p/n channels can significantly change the zero-energy reaction cross sections, S(0), and other properties of the 7Be and 7Li nuclei, like the quadrupole moments Q. However, the results agree with the known correlation trend between S(0) and Q. Moreover, we demonstrate that the value of the zero-energy derivatives of the astrophysical S-factors are more uncertain than currently believed.
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页码：121 / 130
页数：9
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