Effects of three-body forces on the 3He-a radiative capture process

被引：2
|
作者：
Khoddam, M. [1 ]
Sadeghi, H. [1 ]
Nahidinezhad, S. [1 ]
机构：
[1] Arak Univ, Fac Sci, Dept Phys, Arak 3815688349, Iran
来源：
NEW ASTRONOMY | 2023年 / 100卷
关键词：
Effective field theory; Three-body force; Faddeev integral equations; Astrophysical S-factor; S-FACTOR; COMPILATION; HE-3(ALPHA; GAMMA)BE-7; H-3(ALPHA; NEUTRON; SYSTEM;
D O I：
10.1016/j.newast.2022.101971
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The 3He(a, y)7Be radiative capture reaction has studied using the pionless Effective Field Theory (EFT) approach to determine the cross-section, astrophysical S-factor, and reaction rate in astrophysical energies. We have applied the Faddeev equation method, while taking three-body forces into account. The scattering amplitude in the E1 and E2 transitions to the 7Be ground state (lf = 1, Jf = 3/2), has computed at Leading Order (LO) considering the Coulomb effects. The thermonuclear reaction results have normalized using NACRE 1999 experimental data. All results are compared with certain theoretical and experimental data and there is good agreement with this data.
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页数：7
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