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Chinese Physics C> 2004, Vol. 28> Issue(S1) : 5-10 

High Spin-States and Shape Driving Effects in A=130 Nuclear Region

  •  Department of Physics, Tsinghua University, Beijing 100084，China2 China Institute of Atomic Energy, Beijing 102413, China

  • Through 122Sn(16O,4n), 130Te(11B,5n)and 107Ag(19F,1p3n) heavy-ion nuclear reactions and in-beam γ-ray spectroscopy technique, high spin states of 134Ce, 136La and 122Cs have been studied. The previous level schemes have been extended. The observed results show that the collective band structures in these three nuclear were affected by the shape-driving effects. The shape coexistence with different γ deformations has been observed in 134Ce. In 136La, the πh11/2⊙νh11/2 band was updated and its character has been discussed while two oblate bands with γ≈－60° have been established. In 122Cs chiral doublet bands were proposed. The magnetic rotational bands reported in a recent paper in 134Ce were not confirmed by our experiment.
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ZHU Sheng-Jiang, U Yong-Nan, XIAO Shu-Dong, CHE Xing-Lai, LI Ming-Liang, GAN Cui-Yun, XU Rui-Qing, CHEN Yong-Jing, ZHU Li-Hua, WEN Shu-Xian, WU Xiao-Guang, High Spin-States and Shape Driving Effects in A=130 Nuclear Region[J]. Chinese Physics C, 2004, 28(S1): 5-10.
ZHU Sheng-Jiang, U Yong-Nan, XIAO Shu-Dong, CHE Xing-Lai, LI Ming-Liang, GAN Cui-Yun, XU Rui-Qing, CHEN Yong-Jing, ZHU Li-Hua, WEN Shu-Xian, WU Xiao-Guang, High Spin-States and Shape Driving Effects in A=130 Nuclear Region[J]. Chinese Physics C, 2004, 28(S1): 5-10. shu
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Received: 2004-12-30
Revised: 1900-01-01
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High Spin-States and Shape Driving Effects in A=130 Nuclear Region

    Corresponding author: ZHU Sheng-Jiang,
  • Department of Physics, Tsinghua University, Beijing 100084，China2 China Institute of Atomic Energy, Beijing 102413, China
  • Received Date: 2004-12-30
  • Accepted Date: 1900-01-01
  • Available Online: 2004-04-02

Abstract: Through 122Sn(16O,4n), 130Te(11B,5n)and 107Ag(19F,1p3n) heavy-ion nuclear reactions and in-beam γ-ray spectroscopy technique, high spin states of 134Ce, 136La and 122Cs have been studied. The previous level schemes have been extended. The observed results show that the collective band structures in these three nuclear were affected by the shape-driving effects. The shape coexistence with different γ deformations has been observed in 134Ce. In 136La, the πh11/2⊙νh11/2 band was updated and its character has been discussed while two oblate bands with γ≈－60° have been established. In 122Cs chiral doublet bands were proposed. The magnetic rotational bands reported in a recent paper in 134Ce were not confirmed by our experiment.

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