Nuclear structure around <SUP>80</SUP>Zr

ZOU Wen-Hua; TIAN Yuan; SHEN Shui-Fa; GU Jian-Zhong; PENG Bang-Bao; ZHANG Di-Da; MA Zhong-Yu

doi:10.1088/1674-1137/34/1/010

Chinese Physics C> 2010, Vol. 34> Issue(1) : 56-61 DOI: 10.1088/1674-1137/34/1/010

Nuclear structure around ⁸⁰Zr

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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.

References

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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

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Received: 2009-04-02
Revised: 2009-06-18

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Nuclear structure around ⁸⁰Zr

Corresponding author: SHEN Shui-Fa,

Received Date: 2009-04-02

Accepted Date: 2009-06-18

Available Online: 2010-01-05

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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Nuclear structure around ⁸⁰Zr

Nuclear structure around ⁸⁰Zr