Re-discussion of the Spin Assignments of the Superdeformed Bands in A≈190 Region (Ⅱ) Odd Superdeformed Nuclei

Wu Chongshi; Li Zhonghua

Chinese Physics C> 1999, Vol. 23> Issue(8) : 797-802

Re-discussion of the Spin Assignments of the Superdeformed Bands in A≈190 Region (Ⅱ) Odd Superdeformed Nuclei

Wu Chongshi ^, ,
Li Zhonghua

Department of Physics, Peking University, Beijing 100871

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Abstract：
The influence of the I=1 staggering and the fluctuation in observed γ-tyanstion energies on the spin assignments of superdeformed bands is taken into account properly. An improved approach for removing the fluctuations from the observed y transition energies is proposed. The smoothed transition energies are fitted by the ah expression or its modification to assign the spins of the superdeformed bands in the odd-A nuclei in A≈190 region. The assigned spins for some superdeformed bands are different from those given in other approaches.

References

[1]

Wu Chongshi. High Energy Phys. and Nucl. Phys.(in Chinese),1998, 22:48–54 (吴崇试. 高能物理与核物理, 1998,22: 48-54)2 Wu Chongshi. High Energy Phys. and Nucl. Phys.(in Chinese), 1998, 22:71-77 (吴崇试. 高能物理与核物理, 1998,22:71-77) 3 Wu Chongshi. High Energy Phys. and Nucl. Phys. (in Chinese), 1997, 21:621-626 (吴崇试. 高能物理与核物理, 1997,21:621～626) 4 Wu C S, Zhou Z N. Phys. Rev, 1997, C56:1814-18405 Wu Chongshi, Zhou Zhining, Li Song. High Energy Phys.and Nucl. Phys.(in Chinese), 1996, 20:391–397 误崇试,周治宁,李松.高能物理与核物理,1996,20:1028-1033)6 Singh B, Firestone R B, Chu S Y F. Nucl. Data Sheets, 1996, 78:1-218 7 Schuck C, Gueofguieva E, Lopez–Martens A et al. Phys– Rev, 1997, C56:R1667-16708 Han X L, Wu C L At. Deta NucL Data Tables, 1996, 63:117-1869 Carpenter M P, Janssens R V F, Cederwall B et al. Phys. Rev, 1995, C51:2400-2405 10 Wu C S, Zeng J Y,Xing Z et al. Phys.Rev., 1992, C45:261–274

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[14]	Zhou Shangui , Xu Furong , Zheng Chunkai , Hu Jimin . Alignment Additivity of Superdeformed Bands of Odd-Odd Nuclei in A=190 Region. Chinese Physics C, 1999, 23(8): 803-806.
[15]	Wu Chongshi , Zhou Zhining . Re-discussion of the Spin Assignments of the Superdeformed Bands in A≈190 Region (Ⅲ) Doubly Odd Superdeformed Nuclei. Chinese Physics C, 1999, 23(12): 1209-1215.
[16]	Wu Chongshi . Re-Discussion of the Spin Assignments of the Superdeformed Bands in A～190 Region (I) Even-Even Superdeformed Nuclei. Chinese Physics C, 1998, 22(1): 71-77.
[17]	Wu Chongshi , Zhou Zhining , Li Song . △I=4 Bifurcations in A～190 Superdeformed Bands. Chinese Physics C, 1996, 20(11): 1028-1033.
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Wu Chongshi and Li Zhonghua. Re-discussion of the Spin Assignments of the Superdeformed Bands in A≈190 Region (Ⅱ) Odd Superdeformed Nuclei[J]. Chinese Physics C, 1999, 23(8): 797-802.

Wu Chongshi and Li Zhonghua. Re-discussion of the Spin Assignments of the Superdeformed Bands in A≈190 Region (Ⅱ) Odd Superdeformed Nuclei[J]. Chinese Physics C, 1999, 23(8): 797-802. shu

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Received: 1988-06-11
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

Re-discussion of the Spin Assignments of the Superdeformed Bands in A≈190 Region (Ⅱ) Odd Superdeformed Nuclei

Wu Chongshi ^,
Li Zhonghua

Corresponding author: Wu Chongshi,

Department of Physics, Peking University, Beijing 100871

Received Date: 1988-06-11
Accepted Date: 1900-01-01
Available Online: 1999-08-05

Abstract: The influence of the I=1 staggering and the fluctuation in observed γ-tyanstion energies on the spin assignments of superdeformed bands is taken into account properly. An improved approach for removing the fluctuations from the observed y transition energies is proposed. The smoothed transition energies are fitted by the ah expression or its modification to assign the spins of the superdeformed bands in the odd-A nuclei in A≈190 region. The assigned spins for some superdeformed bands are different from those given in other approaches.