Contributions of optimized tensor interactions on the binding energies of nuclei

Di Wu; Chun-Lin Bai; H. Sagawa; Zeng-Qiang Song; Huan-Qiao Zhang

doi:10.1007/s41365-020-0727-7

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Contributions of optimized tensor interactions on the binding energies of nuclei

NUCLEAR PHYSICS AND INTERDISCIPLINARY RESEARCH | Updated：2021-01-26

- Contributions of optimized tensor interactions on the binding energies of nuclei
- Contributions of optimized tensor interactions on the binding energies of nuclei
- 核技术（英文版） 2020年31卷第2期文章编号：14
- Affiliations：
  
  1.College of Physics, Sichuan University, Chengdu 610065, China
  2.RIKEN Nishina Center, Wako 351-0198, Japan
  3.Center for Mathematics and Physics, University of Aizu, Aizu-Wakamatsu, Fukushima 965-8560, Japan
  4.China institute of atomic energy, Beijing 102413, China
- Author bio：
  
  Corresponding author, bclphy@scu.edu.cn
- Funds：
  
  National Natural Science Foundation of China;JSPS KAKENHI
- DOI：10.1007/s41365-020-0727-7
  中图分类号：
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Di Wu, Chun-Lin Bai, H. Sagawa, 等. Contributions of optimized tensor interactions on the binding energies of nuclei[J]. 核技术（英文版）, 2020,31(2):14

Di Wu, Chun-Lin Bai, H. Sagawa, et al. Contributions of optimized tensor interactions on the binding energies of nuclei[J]. Nuclear Science and Techniques, 2020,31(2):14
Di Wu, Chun-Lin Bai, H. Sagawa, 等. Contributions of optimized tensor interactions on the binding energies of nuclei[J]. 核技术（英文版）, 2020,31(2):14 DOI： 10.1007/s41365-020-0727-7.

Di Wu, Chun-Lin Bai, H. Sagawa, et al. Contributions of optimized tensor interactions on the binding energies of nuclei[J]. Nuclear Science and Techniques, 2020,31(2):14 DOI： 10.1007/s41365-020-0727-7.

摘要

Abstract

The tensor parts of Skyrme interactions are constrained from the collective charge-exchange Spin-Dipole (SD) and Gamow-Teller (GT) excitation energies in ,90,Zr and ,208,Pb, together with the isotopic dependence of energy splitting between proton ,h,11/2, and ,g,7/2, single-particle orbits along the ,Z,=50 isotopes. With the optimized tensor interactions, the binding energies of spherical or weakly deformed nuclei with ,A,=54 228 are studied systematically. The present results show that the global effect of tensor interaction is attractive, and systematically increases the binding energies of all these nuclei and makes the nuclei more bound. The root mean squared deviation (RMSD) of the calculated binding energies from the experimental values is significantly improved by the optimized tensor interactions and the contribution of the tensor interaction to the binding energy is estimated.

关键词

Keywords

Tensor forceBinding energyGamow-Teller transitionSpin-Dipole transitionSingle-particle energy differences.

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