科研之友
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摘要
The macroscopic-microscopic mass formula is further improved by considering mirror nuclei constraint. The rms deviation with respect to 2149 measured nuclear masses is reduced to 0.441 MeV. The shell corrections, the deformations of nuclei, the neutron and proton drip lines, and the shell gaps are also investigated to test the model. The rms deviation of alpha-decay energies of 46 superheavy nuclei is reduced to 0.263 MeV. The predicted central position of the superheavy island could lie around N = 176 similar to 178 and Z = 116 similar to 120 according to the shell corrections of nuclei.
- 出版日期2010-10-6
- 单位中国原子能科学研究院; 北京师范大学; 广西师范大学
