Systematic Features of π1/2[541]⊙νi13/2 Bands in Doubly-Odd Nuclei

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ZHAO Guang-Yi, LU Jing-Bin, MA Ying-Jun, YIN Li-Chang, LI Xian-Feng, LI Zhi-Huan, WANG Zhi-Kui, WU Xiao-Guang, LI Guang-Sheng, WEN Shu-Xian, YANG Chun-Xiang and LIU Yun-Zuo. Systematic Features of π1/2[541]⊙νi13/2 Bands in Doubly-Odd Nuclei[J]. Chinese Physics C, 2000, 24(S1): 33-37.
ZHAO Guang-Yi, LU Jing-Bin, MA Ying-Jun, YIN Li-Chang, LI Xian-Feng, LI Zhi-Huan, WANG Zhi-Kui, WU Xiao-Guang, LI Guang-Sheng, WEN Shu-Xian, YANG Chun-Xiang and LIU Yun-Zuo. Systematic Features of π1/2[541]⊙νi13/2 Bands in Doubly-Odd Nuclei[J]. Chinese Physics C, 2000, 24(S1): 33-37. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Systematic Features of π1/2[541]⊙νi13/2 Bands in Doubly-Odd Nuclei

    Corresponding author: ZHAO Guang-Yi,
  • Department of Physics,Jilin University,Changchun 130023,China2 China Institute of Atomic Energy,Beijing 102413,China

Abstract: Five rotational bands with configurations{π7/2+[404]⊙ν5/2+[642]}K=6,{π9/2+[541]⊙ν5/2+[642]}K=7{π1/2+[411]⊙ν5/2+[642]}K=2,{π1/2+[541]⊙ν5/2+[642]}K=2 and {π5/2+[402]⊙ν5/2+[642]}K=5,were populated through the 152Sm(19F,5n)166Lu reaction at a beam energy of 97MeV.The last three bands are identified in the present study.A phase change of level staggering is observed and low spin signature inversion is suggested in the band {π1/2[541]⊙ν5/2+[642]}K=2.The inversion spin 17.5h (spin at inversion point)of this band fits well to the systematic variation trend of inversion spin,increasing with N and decreasing with Z,for the known π1/2[541]⊙νi13/2 bands observed in odd-odd deformed nuclei around A=170.

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