Spectroscopic factor calculations in the ab initio no-core shell model

被引：0
|
作者：
Xie, M. R. [1 ,2 ]
Li, J. G. [1 ,2 ]
Michel, N. [1 ,2 ]
Zuo, W. [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
[2] Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China
来源：
PHYSICAL REVIEW C | 2024年 / 110卷 / 05期
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
D O I：
10.1103/PhysRevC.110.054301
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：
The convergence properties of spectroscopic factors in the ab initio no-core shell model are hereby investigated. For this, we consider nuclear energies and spectroscopic factors in A = 6 and 7 isotopes, using the chiral forces NNLOopt and N3LO. While low-lying spectrum energy demonstrates remarkable convergence with the increase of model space within the no-core shell model, the spectroscopic factor exhibits no definitive convergence trend and seems independent of the employed nuclear interaction. The use of spectroscopic factors issued from the no-core shell model to calculate cross sections of knockout reactions might then be questionable. The results are compared with that of the standard shell model and ab initio Monte Carlo calculations.
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页数：8
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