Investigations on Nuclei near Z = 82 in Relativistic Mean Field Theory with FSUGold

SHENG Zongqiang (圣宗强); REN Zhongzhou (任中洲)

doi:10.1088/1009-0630/14/6/23

Plasma Science and Technology > 2012 > 14(6): 534-538. > DOI: 10.1088/1009-0630/14/6/23

SHENG Zongqiang (圣宗强), REN Zhongzhou (任中洲). Investigations on Nuclei near Z = 82 in Relativistic Mean Field Theory with FSUGold[J]. Plasma Science and Technology, 2012, 14(6): 534-538. DOI: 10.1088/1009-0630/14/6/23

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Investigations on Nuclei near Z = 82 in Relativistic Mean Field Theory with FSUGold

1 Department of Physics, Nanjing University, Nanjing 210093, China 2 Kavli Institute for Theoretical Physics China, Beijing 100190, China 3 Center of Theoretical Nuclear Physics, National Laboratory of Heavy-Ion Accelerator, Lanzhou 730000, China

Funds: supported by National Natural Science Foundation of China (Nos. 10535010, 10675090, 10775068, 10735010, 10975072, and 11035001), by 973 National Major State Basic Research and Development of China (Nos. 2007CB815004 and 2010CB327803), by CAS Knowledge Innovation Project No. KJCX2-SW-N02, and by Research Fund of Doctoral Point (RFDP) (No. 20070284016).

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Received Date: May 16, 2011

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Abstract

Abstract

In this work, the ground-state properties of Pt, Hg, Pb, and Po isotopes have been systematically investigated in the deformed relativistic mean field theory with the new parameter set FSUGold. The calculated results show that FSUGold is as successful as NL3 in reproducing the ground-state binding energies of the nuclei in this region. The calculated two-neutron separation energies, quadrupole deformations, and root-mean-square charge radii are in agreement with the experimental data. The parameter set FSUGold can successfully describe the shell effect of the neutron magic number N = 126 and give smaller neutron skin thicknesses than NL3 for all the nuclei considered.
- relativistic mean field theory,
- parameter set FSUGold,
- binding energy,
- deformation

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