High-Spin States in <SUP>152</SUP>Gd

HUA Hui; WAMG Shuo; MENG Jie; LI Zhi-Huan; ZHANG Shuang-Quan; XU Fu-Rong; LIU Hong-Liang; ZHOU Shan-Gui; YE Yan-Lin; JIANG Dong-Xing; ZHENG Tao; ZHU Li-Hua; WU Xiao-G

Chinese Physics C> 2006, Vol. 30> Issue(S2) : 157-159

High-Spin States in ¹⁵²Gd

School of Physics and MOE key laboratory of Heavy Ion Physics, Peking University, Beijing 100871, China2 Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080, China3 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000, China4 China Institute of Atomic Energy, Beijing 102413, China

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Abstract：
High-spin states of ¹⁵²Gd have been studied via the ¹⁴⁸Nd(⁹Be, 5n)¹⁵²Gd fusion-evaporation reaction. The ground-state band, octupole band and β band have been extended up to spins 20⁺, 21^－ and 16⁺, respectively. A possible aligned two quasi-neutron band, was observed for the first time. The kinematic behaviors of the ground-state bands and yrast bands in ^152,154Gd indicate that the shape of ¹⁵²Gd may change with the increasing of rotational frequency, which are consistent with the theoretical calculations using Cranked Woods-Saxon-Strutinsky methods. The first band crossing observed in ¹⁵²Gd can be ascribed to the alignment of a pair of i_13/2neutrons.

References

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HUA Hui, WAMG Shuo, MENG Jie, LI Zhi-Huan, ZHANG Shuang-Quan, XU Fu-Rong, LIU Hong-Liang, ZHOU Shan-Gui, YE Yan-Lin, JIANG Dong-Xing, ZHENG Tao, ZHU Li-Hua, WU Xiao-G, High-Spin States in ¹⁵²Gd[J]. Chinese Physics C, 2006, 30(S2): 157-159.

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Received: 2006-10-16
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

High-Spin States in ¹⁵²Gd

Corresponding author: HUA Hui,

School of Physics and MOE key laboratory of Heavy Ion Physics, Peking University, Beijing 100871, China2 Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080, China3 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000, China4 China Institute of Atomic Energy, Beijing 102413, China

Received Date: 2006-10-16

Accepted Date: 1900-01-01

Available Online: 2006-01-03

Abstract: High-spin states of ¹⁵²Gd have been studied via the ¹⁴⁸Nd(⁹Be, 5n)¹⁵²Gd fusion-evaporation reaction. The ground-state band, octupole band and β band have been extended up to spins 20⁺, 21^－ and 16⁺, respectively. A possible aligned two quasi-neutron band, was observed for the first time. The kinematic behaviors of the ground-state bands and yrast bands in ^152,154Gd indicate that the shape of ¹⁵²Gd may change with the increasing of rotational frequency, which are consistent with the theoretical calculations using Cranked Woods-Saxon-Strutinsky methods. The first band crossing observed in ¹⁵²Gd can be ascribed to the alignment of a pair of i_13/2neutrons.

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High-Spin States in 152Gd

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High-Spin States in 152Gd

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High-Spin States in ¹⁵²Gd

High-Spin States in ¹⁵²Gd