Modification of Nuclear Mass Formula by Considering Isospin Effects  

作　　者：WANG Ning LIU Min WU Xi-zhen 

机构地区：[1]Department of Physics, Guangxi Normal University, Guilin

出　　处：《Annual Report of China Institute of Atomic Energy》2010年第1期81-82,共2页中国原子能科学研究院年报（英文版）

基　　金：Supported by National Natural Science Foundation of China

摘　　要：The nuclear mass is of great importance not only for various aspects of nuclear physics, but also for weak-interaction studies and astrophysics. In the nuclear physics, it is helpful to study the nuclear symmetry energy and the synthesis of superheavy nuclei by considering the more than 2 000The nuclear mass is of great importance not only for various aspects of nuclear physics, but also for weak-interaction studies and astrophysics. In the nuclear physics, it is helpful to study the nuclear symmetry energy and the synthesis of superheavy nuclei by considering the more than 2 000 measured nuclear masses. Theoretically, the mass of an atomic nucleus can be calculated by the macroscopic- microscopic method （such as the finite-range droplet model） or the microscopic approaches （such as Hartree-Fock Bogoliubov approach） or some other mass formulas. The best mass formulas at present can reach about 0.6 MeV in the rms deviation for the usual data set of 2 149 measured masses of nuclei with about 24-30 model parameters.

关 键 词：质量公式 同位旋效应 HARTREE-FOCK 修改 弱相互作用 超重核合成 均方根误差 天体物理 

分 类 号：O571.6[理学—粒子物理与原子核物理] P145.8[理学—物理]