核电荷半径经验公式的形变修正  

The Modified Nuclear Charge Radii Formula by Deformation

作　　者：李光胜 

机构地区：[1]上海理工大学理学院,上海

出　　处：《应用物理》2023年第4期89-94,共6页Applied Physics

摘　　要：原子核电荷半径属于原子核基本性质之一。核电荷半径的精确测量对核结构研究和核天体物理具有重要意义。在已有经验公式的基础上考虑核形变参数对核电荷半径的影响,经过对比发现经验公式中奇偶修正项的效果不如形变参数修正项。最终获得 律六参数的修正公式,均方根误差比原五参数经验公式下降约15%。Nuclear charge radius is one of the most fundamental properties for nuclei. The accurate measurement of nuclear charge radius is very important for nuclear structure research and nuclear astrophysics. Based on the existing empirical formulas, the influence of nuclear deformation parameters on nuclear charge radius is considered. Through comparison, it is found that the parity correction term in the empirical formulas is less effective than the deformation parameter correction term. Finally, the modified formula of the six parameters of law is obtained, and the root-mean-square deviation decreases by about 15% compared with the original five-parameter empirical formula.

关 键 词：原子核电荷半径 形变参数 A^1/3律 

分 类 号：G63[文化科学—教育学]