High-Spin States in 152Gd

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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.
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. shu
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Received: 2006-10-16
Revised: 1900-01-01
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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

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 i13/2neutrons.

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