• Recent years have witnessed intense activity concerning the study of nuclei with equal numbers of neutrons and protons (N=Z). Exotic properties have been exhibited in the N=Z nuclei, especially in those with atomic masses around 80. In the present paper, the projected shell model (PSM) together with a relativistic Hartree-Bogoliubov (RHB) theory is used to study the nuclear structure near the N=Z line in the mass A≈80 region. For three Zr isotopes 80,82,84Zr, the projected potential energy surfaces and ground state bands are calculated. It is shown that shape coexistence occurs in all of these nuclei. Moreover, we find that the residual neutron-proton interaction strongly affects the ground state band of 80Zr; however, it slightly modifies those of 82Zr and 84Zr.

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ZOU Wen-Hua, TIAN Yuan, SHEN Shui-Fa, GU Jian-Zhong, PENG Bang-Bao, ZHANG Di-Da and MA Zhong-Yu. Nuclear structure around 80Zr[J]. Chinese Physics C, 2010, 34(1): 56-61. doi: 10.1088/1674-1137/34/1/010
ZOU Wen-Hua, TIAN Yuan, SHEN Shui-Fa, GU Jian-Zhong, PENG Bang-Bao, ZHANG Di-Da and MA Zhong-Yu. Nuclear structure around 80Zr[J]. Chinese Physics C, 2010, 34(1): 56-61.  doi: 10.1088/1674-1137/34/1/010 shu
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Received: 2009-04-02
Revised: 2009-06-18
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Nuclear structure around 80Zr

    Corresponding author: SHEN Shui-Fa,

Abstract: 

Recent years have witnessed intense activity concerning the study of nuclei with equal numbers of neutrons and protons (N=Z). Exotic properties have been exhibited in the N=Z nuclei, especially in those with atomic masses around 80. In the present paper, the projected shell model (PSM) together with a relativistic Hartree-Bogoliubov (RHB) theory is used to study the nuclear structure near the N=Z line in the mass A≈80 region. For three Zr isotopes 80,82,84Zr, the projected potential energy surfaces and ground state bands are calculated. It is shown that shape coexistence occurs in all of these nuclei. Moreover, we find that the residual neutron-proton interaction strongly affects the ground state band of 80Zr; however, it slightly modifies those of 82Zr and 84Zr.

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