Stability of super heavy nuclei associated with the updated nuclear data

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Peng-Cheng Li, Hong-Fei Zhang and Yong-Jia Wang. Stability of super heavy nuclei associated with the updated nuclear data[J]. Chinese Physics C, 2017, 41(11): 114103. doi: 10.1088/1674-1137/41/11/114103
Peng-Cheng Li, Hong-Fei Zhang and Yong-Jia Wang. Stability of super heavy nuclei associated with the updated nuclear data[J]. Chinese Physics C, 2017, 41(11): 114103.  doi: 10.1088/1674-1137/41/11/114103 shu
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Received: 2017-06-22
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    Supported by National Natural Science Foundation of China (11675066, 11647306), Fundamental Research Funds for the Central Universities (lzujbky-2017-ot04) and Feitian Scholar Project of Gansu province

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Stability of super heavy nuclei associated with the updated nuclear data

    Corresponding author: Hong-Fei Zhang,
  • 1.  School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China
  • 2. School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China
  • 3. Joint Department for Nuclear Physics, Lanzhou University and Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
  • 4.  School of Science, Huzhou University, Huzhou 313000, China
Fund Project:  Supported by National Natural Science Foundation of China (11675066, 11647306), Fundamental Research Funds for the Central Universities (lzujbky-2017-ot04) and Feitian Scholar Project of Gansu province

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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