Chinese Physics C > 1990, Vol. 14 > Issue(4): 372-374

THE SHAPE COEXISTENCE IN¹⁹⁰Hg

ZHANG Jing-Ye^,

Center of Theoretical Physics,CCASTWorld Lab and Institute of Modern Physics,Academia Sinica,Lanzhou

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Abstract：
The ground state Potential Energy Surface for nucleus ¹⁹⁰Hg was calculated in terms of Nilsson-Strutinsky method with standard κ,μ set and modified one.It is shown that there is a low-lying second minimum in prolate side except the known oblate minimum.The existence of such a prolate minimum,which is different from Total Routhian Surface calculation,may explain the recent observation of extra deformation band in ¹⁹⁰Hg.

References

[1]

Wenchao Ma(马文超)and J.H. Hamilton, Chinese Journal of Nucl. Phys., 11 (1989), 45.[2] Jingye Zhang(张敬业)，“Physics at Tandem"国际会议，特邀报告，1986年9月8-13日，北京.R.Bengtsson, T. Bengtsson, J.Dudek, G. Leander, W. Nazarewicz and Jingye Zhang(张敬业)，Phys. Lett, 183B (1987), 11.[3] J. H. Hamilton, NuKleoniKa, .24 (1979), 561.[4] R. Bengtsson and S.berg, Phys. Lett., 172B (1986), 277.[5] 张敬业，钟纪泉，廖毕程，高能物理与核物理，12(1988),665,[6] A.H. Wapstra, G. Audi and R. Hoekstra, At. Data Nucl. Data Tables, 39 (1988), 281.[7] S.G. Nilsson, C.F. Tsang, A. Sobiczewski, S. Wycech, C.Gustafson, I. Lamm, P. Moller and B. Nilsson, Nucl. Phys, A131(1969), 1.[8] T. Bengtsson and I. Ragnarsson, Nucl. Phys.,A436(1985), 14.[9] Jingye Zhang(张敬业)，A.J. Larabee and L.L, Riedinger, J. Phyr. G. Nucl. Phys.,13 (1987)L75.

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ZHANG Jing-Ye. THE SHAPE COEXISTENCE IN ¹⁹⁰Hg[J]. Chinese Physics C, 1990, 14(4): 372-374.

ZHANG Jing-Ye. THE SHAPE COEXISTENCE IN ¹⁹⁰Hg[J]. Chinese Physics C, 1990, 14(4): 372-374. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

THE SHAPE COEXISTENCE IN¹⁹⁰Hg

ZHANG Jing-Ye^,

Corresponding author:ZHANG Jing-Ye,

Center of Theoretical Physics,CCASTWorld Lab and Institute of Modern Physics,Academia Sinica,Lanzhou

Received Date:1900-01-01
Accepted Date:1900-01-01
Available Online:1990-04-05

Abstract:The ground state Potential Energy Surface for nucleus¹⁹⁰Hg was calculated in terms of Nilsson-Strutinsky method with standard κ,μ set and modified one.It is shown that there is a low-lying second minimum in prolate side except the known oblate minimum.The existence of such a prolate minimum,which is different from Total Routhian Surface calculation,may explain the recent observation of extra deformation band in¹⁹⁰Hg.