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Multi-dimensional constraint relativistic mean field model and applications in actinide and transfermium nuclei

Abstracts

In this contribution we present some results of potential energy sur- faces of actinide and transfermium nuclei from multi-dimensional constrained relativistic mean field (MDC-RMF) models. Recently we developed multi-dimensional constrained covariant density func- tional theories (MDC-CDFT) in which all shape degrees of freedom βλμ with even μ are allowed and the functional can be one of the following four forms: the meson exchange or point-coupling nucleon interactions combined with the non-linear or density-dependent cou- plings. In MDC-RMF models, the pairing correlations are treated with the BCS method. With MDC-RMF models, the potential energy surfaces of even-even actinide nuclei were investigated and the effect of triaxiality on the fission barriers in these nuclei was discussed. The non-axial reflection-asymmetric β32 shape in some βλμ =0 β22 ?=0 β20 >0 β30 ?=0 β20 <0 β32 ?=0 β40 >0 β20 ?0 transfermium nuclei with N = 150, namely and 252No were also studied.
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Recommended references: Bing-Nan Lu,Jie Zhao,En-Guang Zhao,Shan-Gui Zhou.(2017).Multi-dimensional constraint relativistic mean field model and applications in actinide and transfermium nuclei.[ChinaXiv:201707.00927] (Click&Copy)
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[V1] 2017-07-30 16:07:08 chinaXiv:201707.00927V1 Download
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