Tensor Force Manifestations in Ab Initio Study of the 2H(d, γ)4He, 2H(d, p)3H, and 2H(d, n)3He Reactions

被引：47
|
作者：
Arai, K. [1 ]
Aoyama, S. [2 ]
Suzuki, Y. [3 ,4 ]
Descouvemont, P. [5 ]
Baye, D. [5 ]
机构：
[1] Nagaoka Natl Coll Technol, Div Gen Educ, Nagaoka, Niigata 9408532, Japan
[2] Niigata Univ, Ctr Acad Informat Serv, Niigata 9502181, Japan
[3] Niigata Univ, Dept Phys, Niigata 9502181, Japan
[4] RIKEN, Nishina Ctr, Wako, Saitama 3510198, Japan
[5] Univ Libre Bruxelles, B-1050 Brussels, Belgium
来源：
PHYSICAL REVIEW LETTERS | 2011年 / 107卷 / 13期
关键词：
STOCHASTIC VARIATIONAL METHOD; MONTE-CARLO CALCULATIONS; NUCLEAR-FORCES; SYSTEMS; SCATTERING;
D O I：
10.1103/PhysRevLett.107.132502
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The H-2(d, p)H-3, H-2(d, n)He-3, and H-2(d, gamma)He-4 reactions are studied at low energies in a multichannel ab initio model that takes into account the distortions of the nuclei. The internal wave functions of these nuclei are given by the stochastic variational method with the AV8 ' realistic interaction and a phenomenological three-body force included to reproduce the two-body thresholds. The obtained astrophysical S factors are all in very good agreement with the experiment. The most important channels for both transfer and radiative capture are identified by comparing to calculations with an effective central force. They are all found to dominate thanks to the tensor force.
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页数：5
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