Correlation between the charge radii difference in mirror partner nuclei and the symmetry energy slope

被引：0
|
作者：
马小荣 [1 ]
孙帅 [2 ]
安荣 [1 ,2 ]
曹李刚 [2 ,3 ]
机构：
[1] School of Physics,Ningxia University
[2] Key Laboratory of Beam Technology of Ministry of Education,College of Nuclear Science and Technology,Beijing Normal University
[3] Key Laboratory of Beam Technology of Ministry of Education,Institute of Radiation Technology,Beijing Academy of Science and
来源：
Chinese Physics C | 2024年 / 48卷 / 08期
关键词：
D O I：
暂无
中图分类号：
O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
A correlation between the charge radii difference of mirror partner nuclei ΔRch and the slope parameter L of symmetry energy has been built to ascertain the equation of state of isospin asymmetric nuclear matter.In this work,the influences of pairing correlations and isoscalar compression modulus on the ΔRch are systematically investigated based on the Skyrme energy density functional theory.The calculated results suggest that the linear correlation between ΔRch and L is decreased by the surface pairing correlations.The slope parameter deduced from the difference of charge radii of mirror-pair nuclei 32Ar-32Si,36Ca-36S,38Ca-38Ar,and 54Ni-54Fe falls into the range of L=42.57-50.64 MeV,that is,the rather soft equation of state of asymmetric nuclear matter.Besides,the range of the slope parameter can also be influenced by the effective forces classified by various isoscalar incompressibility coefficients.
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页码：180 / 187
页数：8
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