An Analysis of Energy Spectra and Determination of Spins for Superdeformed Bands in the <i>A</i>~190 Region

Chen Xingqu; Xing Zheng

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2024年10月30日

Chinese Physics C> 1991, Vol. 15> Issue(S4) : 419-426

An Analysis of Energy Spectra and Determination of Spins for Superdeformed Bands in the A~190 Region

Chen Xingqu ,
Xing Zheng

Department of Modem Physics, Lanzhou University, Lanzhou, Gansu, China

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Abstract：
Fifteen superdeformed bands in seven nuclei of the A~190 region are analyzed based on a phenomenological model. An overall and excellent agreement between the calculated and observed spectra E_γ kinematic moment of the inertia j⁽¹⁾ and dynamic moment of the inertia j⁽²⁾ is obtained for all superdeformed bands in the A~190 region.

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[4]	LIU Shu-Xin . Configuration Structure of Superdeformed Bands in A～190 Mass Region. Chinese Physics C, 2005, 29(9): 871-874.
[5]	TANG Jie , LIU Yu-Xin . Systematic Description of the Superdeformed Bands of the Odd-A Nuclei in the A≈190 Mass Region. Chinese Physics C, 2004, 28(10): 1055-1064.
[6]	DI Yao-Min . Analysis by Synthesis of the Spin Assignment for the Superdeformed Single Bands in A≈190 Odd Nuclei. Chinese Physics C, 2003, 27(6): 503-506.
[7]	ZHANG Xin-Ming , ZHOU Huan-Qiang . Study for Superdeformed Bands in A～190 Region with Quantum Group U_qp(u₂) Model. Chinese Physics C, 2002, 26(8): 843-850.
[8]	DI Yao-Min . Synthetical Analysis of the Spin Assignment for the Superdeformed Bands in A≈190 Region. Chinese Physics C, 2002, 26(5): 507-515.
[9]	GUO Jian-You , XU Fu-Xin , RUAN Tu-Nan . Further Discussion on the Spin-Determination of Superdeformed Bands in the A～190 Region. Chinese Physics C, 2001, 25(6): 514-520.
[10]	FANG XiangZheng , LI XianYin , RUAN TuNan . Description of the Superdeformed Bands in A～190 Region with a Three-Parameter Formula. Chinese Physics C, 2000, 24(4): 312-319.
[11]	Wu Chongshi , Li Zhonghua . Re-discussion of the Spin Assignments of the Superdeformed Bands in A≈190 Region (Ⅱ) Odd Superdeformed Nuclei. Chinese Physics C, 1999, 23(8): 797-802.
[12]	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.
[13]	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.
[14]	Xing Zheng , Chen Xingqu , Wang Xiaochun . △I=2 Energy Staggering in Superdeformed Bands in ¹⁴⁹Gd(b1) and ¹⁵³Dy(b1). Chinese Physics C, 1997, 21(S4): 87-92.
[15]	Xu Furong , Hu Jimin , Zheng Chunkai . The Vibrational and Rotational Motions Model of Nucleus(Ⅲ) Study of Superdeformed Bands in A～190 Region. Chinese Physics C, 1996, 20(6): 554-562.
[16]	Wu Chongshi , Zhou Zhining , Li Song . △I/=4 Bifurcation in A~190 Superdeformed Bands. Chinese Physics C, 1996, 20(S4): 391-397.
[17]	Xing Zheng , Chen Xingqu . Analysis of Identical Bands for Odd-A Superdeformed Nuclei in A ~190 Mass Region. Chinese Physics C, 1995, 19(S2): 207-213.
[18]	Chen Xingqu , Xing Zheng . Analysis of Superdeformed Bands in the Particle-Rotor Model. Chinese Physics C, 1994, 18(Z1): 95-102.
[19]	Xing Zheng , Chen Xingqu . A Phenomenological Analysis of Superdeformed Bands in Even-Even Nuclei. Chinese Physics C, 1991, 15(S4): 411-417.
[20]	CHEN Xing-Qu , XING Zheng . Phenomenological Analysis and Determination of Spins for Superdeformed Bands in the Mass-190 Region. Chinese Physics C, 1991, 15(12): 1094-1100.

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Chen Xingqu and Xing Zheng. An Analysis of Energy Spectra and Determination of Spins for Superdeformed Bands in the A~190 Region[J]. Chinese Physics C, 1991, 15(S4): 419-426.

Chen Xingqu and Xing Zheng. An Analysis of Energy Spectra and Determination of Spins for Superdeformed Bands in the A~190 Region[J]. Chinese Physics C, 1991, 15(S4): 419-426. shu

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Received: 1991-02-02

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Supported by the National Natural Science Foundation and the Science Foundation of the State Education Commission of China.

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沈阳化工大学材料科学与工程学院沈阳 110142

An Analysis of Energy Spectra and Determination of Spins for Superdeformed Bands in the A~190 Region

Chen Xingqu
Xing Zheng

Department of Modem Physics, Lanzhou University, Lanzhou, Gansu, China

Received Date: 1991-02-02

Fund Project: Supported by the National Natural Science Foundation and the Science Foundation of the State Education Commission of China.

Abstract: Fifteen superdeformed bands in seven nuclei of the A~190 region are analyzed based on a phenomenological model. An overall and excellent agreement between the calculated and observed spectra E_γ kinematic moment of the inertia j⁽¹⁾ and dynamic moment of the inertia j⁽²⁾ is obtained for all superdeformed bands in the A~190 region.