Abstract

The stability of super heavy nuclei (SHN) from Z=104 to Z=126 is analyzed systematically, associated with the following theoretical mass tables: FRDM2012 [At. Data Nucl. Data Tables 109-110(2016)], WS2010 [Phys. Rev. C 82, 044304(2010)], WS-LZ-RBF [J. Phys. G: Nucl. Part. Phys. 42, 095107(2015)] and the updated experimental data AME2016 [Chinese Physics C 41, 040002(2017)]. The nucleus with the biggest mean binding energy in each isotopic chain shows systematic regular behavior, indicating that the mean binding energy is a good criterion to classify SHN by their stability. Based on binding energy, the α-decay energy Qα, two-proton separation energy S2p, and two-neutron separation energy S2n are extracted and analyzed. It is found that N=152 and N=162 are sub-magic numbers, N = 184 is a neutron magic number, and Z = 114 is a proton magic number, which may provide useful information for the synthesis and identification of SHN.

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