Constraining nuclear symmetry energy with the charge radii of mirror-pair nuclei

Rong An; Shuai Sun; Li-Gang Cao; Feng-Shou Zhang

doi:10.1007/s41365-023-01269-1

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Constraining nuclear symmetry energy with the charge radii of mirror-pair nuclei

NUCLEAR PHYSICS AND INTERDISCIPLINARY RESEARCH | Updated：2023-09-19

- Constraining nuclear symmetry energy with the charge radii of mirror-pair nuclei
- Nuclear Science and Techniques Vol. 34, Issue 8, Article number: 119(2023)
- Affiliations：
  
  1.Key Laboratory of Beam Technology of Ministry of Education, College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875, China
  2.Key Laboratory of Beam Technology of Ministry of Education, Institute of Radiation Technology, Beijing Academy of Science and Technology, Beijing 100875, China
  3.CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
  4.Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000, China
- Author bio：
  
  † caolg@bnu.edu.cn
  ‡ fszhang@bnu.edu.cn
- Funds：
- DOI：10.1007/s41365-023-01269-1
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Rong An, Shuai Sun, Li-Gang Cao, et al. Constraining nuclear symmetry energy with the charge radii of mirror-pair nuclei. [J]. Nuclear Science and Techniques 34(8):119(2023)
DOI：

Rong An, Shuai Sun, Li-Gang Cao, et al. Constraining nuclear symmetry energy with the charge radii of mirror-pair nuclei. [J]. Nuclear Science and Techniques 34(8):119(2023) DOI： 10.1007/s41365-023-01269-1.

摘要

Abstract

The nuclear charge radius plays a vital role in determining the equation of state of isospin asymmetric nuclear matter. Based on the correlation between the differences in charge radii of mirror-partner nuclei and the slope parameter (,L,) of symmetry energy at the nuclear saturation density, an analysis of the calibrated slope parameter ,L, was performed in finite nuclei. In this study, relativistic and non-relativistic energy density functionals were employed to constrain the nuclear symmetry energy through the available databases of the mirror-pair nuclei ,36,Ca-,36,S,38,Ca-,38,Ar, and ,54,Ni-,54,Fe. The deduced nuclear symmetry energy was located in the range 29.89–31.85 MeV, and ,L, of the symmetry energy essentially covered the range 22.50–51.55 MeV at the saturation density. Moreover, the extracted ,L,s, at the sensitivity density , $ρ_{s} = 0.10 {fm}^{- 3}$ , was located in the interval range 30.52–39.76 MeV.

关键词

Keywords

Symmetry energyCharge radiiMirror nuclei

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