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RBFmasses: Radial Basis Function approach(919)Macroscopic-microscopic mass formula code(1268)WS*: nuclear mass table(812)Nuclear Mass Tables: 原子核质量表(533)Skyrme能量密度泛函在核基态性质的研究以及熔合反应中的应用(205)
软件简介: brief introduction
考虑原子核的同位旋对称性以及残余修正，半经验的宏观-微观模型的精度大大提高，
对2149个已测质量的rms偏差降低到336keV；1988个中子分离能的rms偏差达到286keV。
同时向超重核以及滴线核外推时，具有较高的可靠性。对46个超重核的alpha衰变能的
rms偏差降低到248keV。 该模型能够同时很好地再现Garvey-Kelson关系以及isobaric
multiplet mass equation 同量异位多重态质量方程（IMME）。通过对17种原子核质量公式
的系统研究，发现IMME和原子核质量公式的精度之间存在紧密联系。而传统的Skyrme
能量密度泛函因为对同位旋对称性恢复机制没有额外的考虑，所以在极度丰中子区不能
很好地再现IMME，从而其外推可靠性还需要进一步提高。
参考文献：Min Liu, Ning Wang, Yangge Deng, Xizhen Wu , Phys. Rev. C 84 (2011) 014333;
[arXiv:1104.0066 ]
Considering the isospin symmetry in nuclear physics, we propose a global nuclear mass model with
a high accuracy and good extrapolation.The rms deviations from 2149 measured masses, 1988
neutron separation energies and alpha-decay energies of 46 super-heavynuclei are significantly
reduced to 336, 286 and 248 keV, respectively. Both the Garvey-Kelson relations and the isobaric
multiplet mass equation (IMME) are reproduced remarkably well. With a systematic study of
17 global nuclear mass models, we find that the quadratic form of the IMME is closely related to
the accuracy of mass models. More attention should be paid to the isospin-symmetry restoration
in the Skyrme energy-density functional for improving the reliability of microscopic mass models.
Reference: Min Liu, Ning Wang, Yangge Deng, Xizhen Wu ,Phys. Rev. C 84 (2011) 014333;
arXiv:1104.0066 (http://arxiv.org/abs/1104.0066)
For more information, see http://www.imqmd.com/mass/
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