Configuration-Dependent Bands in <SUP>169</SUP>Re

ZHOU Xiao-Hong; XU Fu-Rong; ZHANG Yu-Hu; ZHENG Yong

Chinese Physics C> 2003, Vol. 27> Issue(11) : 984-989

Configuration-Dependent Bands in ¹⁶⁹Re

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China2 Japan Atomic Energy Research Institute, Tokai, Ibaraki 319-1195, Japan3 Department of Technical Physics and MOE Key Laboratory, Peking University, Beijing 100871, China4 Chiba Institute of Technology, Narashino, Chiba 275-0023, Japan

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Abstract：
High-spin states in ¹⁶⁹Re were studied and resulted in the identification of a strongly coupled band based on the 9/2^－[514] Nilsson state and a decoupled band built on the h_9/2 intruder proton orbital (nominally 1/2^－[541]). The cranked shell nodel calculations present configuration-dependent deformations that can explain the different band crossing frecpiencies. The experimental 9/2^－[514] band in Re shows the largest signature splitting at low spin among the known odd mass Re isotopes. After the alignment of a pair of the i_13/2 neutrons, the phase of the splitting is inverted with a significantly reduced amplitude. Additionally, a three-quasipariticle band was observed and assigned to be built likely on the π9/2^－[514]⊙AE configuration.

References

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ZHOU Xiao-Hong, XU Fu-Rong, ZHANG Yu-Hu and ZHENG Yong. Configuration-Dependent Bands in ¹⁶⁹Re[J]. Chinese Physics C, 2003, 27(11): 984-989.

ZHOU Xiao-Hong, XU Fu-Rong, ZHANG Yu-Hu and ZHENG Yong. Configuration-Dependent Bands in ¹⁶⁹Re[J]. Chinese Physics C, 2003, 27(11): 984-989. shu

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Received: 2003-02-21
Revised: 1900-01-01

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通讯作者: 陈斌, [email protected]

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Configuration-Dependent Bands in ¹⁶⁹Re

Corresponding author: ZHOU Xiao-Hong,

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China2 Japan Atomic Energy Research Institute, Tokai, Ibaraki 319-1195, Japan3 Department of Technical Physics and MOE Key Laboratory, Peking University, Beijing 100871, China4 Chiba Institute of Technology, Narashino, Chiba 275-0023, Japan

Received Date: 2003-02-21

Accepted Date: 1900-01-01

Available Online: 2003-11-05

Abstract: High-spin states in ¹⁶⁹Re were studied and resulted in the identification of a strongly coupled band based on the 9/2^－[514] Nilsson state and a decoupled band built on the h_9/2 intruder proton orbital (nominally 1/2^－[541]). The cranked shell nodel calculations present configuration-dependent deformations that can explain the different band crossing frecpiencies. The experimental 9/2^－[514] band in Re shows the largest signature splitting at low spin among the known odd mass Re isotopes. After the alignment of a pair of the i_13/2 neutrons, the phase of the splitting is inverted with a significantly reduced amplitude. Additionally, a three-quasipariticle band was observed and assigned to be built likely on the π9/2^－[514]⊙AE configuration.

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Configuration-Dependent Bands in 169Re

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Configuration-Dependent Bands in 169Re

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Configuration-Dependent Bands in ¹⁶⁹Re

Configuration-Dependent Bands in ¹⁶⁹Re