The Deformation-Driving Character of the 1/2<SUP>－</SUP>[541] Orbit in <SUP>171</SUP>Lu

Ma Yingjun; Zheng Hua; Sun Huibin; Yang Hongting; Zhou Shangui; Ding Yougui; Huo Junde; Liu Yunzuo; Liu Xiangan; Wen Shuxian; Yang Chunxiang

Chinese Physics C> 1996, Vol. 20> Issue(10) : 865-869

The Deformation-Driving Character of the 1/2^－[541] Orbit in ¹⁷¹Lu

Department of Physics, Jilin University,Changchun 1300231 China Institute of Atomic Energy,Beijing 102413

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Abstract：
The 1/2-[541] band in 171Lu is extended up to neutron crossing by using heavy-ion induced reaction ¹⁶⁰Gd(¹⁹F, 6n2p) at a bombarding energy of 92MeV.It shows delayed neutron crossing frequency in comparison with the even-even neighbors.Calculations based on cranked shell model suggest that the role played by the deformation-drving effect of the πh_9/2[541]1/2^－ orbit shouldn't be ignored in the delay of the bandcrossng in ¹⁷¹Lu.

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Ma Yingjun, Zheng Hua, Sun Huibin, Yang Hongting, Zhou Shangui, Ding Yougui, Huo Junde, Liu Yunzuo, Liu Xiangan, Wen Shuxian and Yang Chunxiang. The Deformation-Driving Character of the 1/2^－[541] Orbit in ¹⁷¹Lu[J]. Chinese Physics C, 1996, 20(10): 865-869.

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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 Deformation-Driving Character of the 1/2^－[541] Orbit in ¹⁷¹Lu

Corresponding author: Ma Yingjun,

Department of Physics, Jilin University,Changchun 1300231 China Institute of Atomic Energy,Beijing 102413

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1996-10-05

Abstract: The 1/2-[541] band in 171Lu is extended up to neutron crossing by using heavy-ion induced reaction ¹⁶⁰Gd(¹⁹F, 6n2p) at a bombarding energy of 92MeV.It shows delayed neutron crossing frequency in comparison with the even-even neighbors.Calculations based on cranked shell model suggest that the role played by the deformation-drving effect of the πh_9/2[541]1/2^－ orbit shouldn't be ignored in the delay of the bandcrossng in ¹⁷¹Lu.