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Chinese Physics C> 2004, Vol. 28> Issue(S1) : 50-52 

Multi-quasiparticle Excitations in 145Tb

  •  Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China2 Japan Atomic Energy Research Institute, Tokai, Ibaraki 319-1195, Japan3 Chiba University, Inage-ku, Chiba 263--8512, Japan4 Chiba Institute of Technology, Narashino, Chiba 275-0023, Japan

  • High-spin states in 145Tb have been populated using the 118Sn(32S, 1p4n) reaction at a beam energy of 165MeV. The level scheme of 145Tb has been established for the first time. The level scheme shows characteristics of spherical or slightly oblate nucleus. Based on the systematic trends of the level structure in the neighboring N=80 isotones, the level structure in 145Tb below 2MeV excitation is well explained by coupling an h11/2 valence proton to the even-even 144Gd core. Above 2MeV excitation, most of the yrast levels are interpreted with multi-quasiparticle shell-model configurations.
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    [1] . ZHOU Xiao-Hong et al. Eur. Phys. J., 2001, A12: 253-255.2.Lach M et al. Z Phys., 1984, A319: 235-2363.Piel W F et al. Phys. Rev., 1985, C31: 2087-21034.Chapuran T et al. Phys. Rev., 1986, C33: 130-1425.Lonnroth T et al. Phys. Rev., 1986, C33: 1641-16486.Blomqvist J et al. Z. Phys., 1983, A312: 27-41

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ZHENG Yong, ZHOU Xiao-Hong, ZHANG Yu-Hu, LIU Min-Liang, GUO Ying-Xiang and LEI Xiang-Guo. Multi-quasiparticle Excitations in 145Tb[J]. Chinese Physics C, 2004, 28(S1): 50-52.
ZHENG Yong, ZHOU Xiao-Hong, ZHANG Yu-Hu, LIU Min-Liang, GUO Ying-Xiang and LEI Xiang-Guo. Multi-quasiparticle Excitations in 145Tb[J]. Chinese Physics C, 2004, 28(S1): 50-52. shu
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Received: 2004-12-30
Revised: 1900-01-01
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Multi-quasiparticle Excitations in 145Tb

    Corresponding author: ZHENG Yong,
  • Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China2 Japan Atomic Energy Research Institute, Tokai, Ibaraki 319-1195, Japan3 Chiba University, Inage-ku, Chiba 263--8512, Japan4 Chiba Institute of Technology, Narashino, Chiba 275-0023, Japan
  • Received Date: 2004-12-30
  • Accepted Date: 1900-01-01
  • Available Online: 2004-04-02

Abstract: High-spin states in 145Tb have been populated using the 118Sn(32S, 1p4n) reaction at a beam energy of 165MeV. The level scheme of 145Tb has been established for the first time. The level scheme shows characteristics of spherical or slightly oblate nucleus. Based on the systematic trends of the level structure in the neighboring N=80 isotones, the level structure in 145Tb below 2MeV excitation is well explained by coupling an h11/2 valence proton to the even-even 144Gd core. Above 2MeV excitation, most of the yrast levels are interpreted with multi-quasiparticle shell-model configurations.

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