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Chinese Physics C> 2004, Vol. 28> Issue(S1) : 27-30 

Study of High Spin States in 90Nb and 91Nb

  •  China Institute of Atomic Energy, Beijing 102413, China2 Department of Physics, Jilin University, Changchun 130023, China3 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China4 Universit\'{e} de Douala, Facult\'{e} de Sciences, B.P. 8580 Cameroun

  • The high spin states of 90Nb and 91Nb have been populated via reaction 76Ge(19F,xn) at beam energy of 80MeV. The de-exciting γ-rays have been measured with in-beam γ-ray spectroscopy method. After γ-γ coincidence analysis, the new level scheme of 90Nb and 91Nb was established. Based on the semi-empirical shell model calculations, the configurations of the levels have been suggested, in addition, the spins and parities of the new levels have been assigned according to the experimental DCO values and to the systematic comparison with the neighboring nuclei.
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CUI Xing-Zhu, ZHU Li-Hua, WU Xiao-Guang, LI Guang-Sheng, WEN Shu-Xian, WANG Zhi-Min, HE Chuang-Ye, ZHANG Zhen-Long, MENG Rui, MA Rui-Gang, TUO Peng, ZHENG Yong and Study of High Spin States in 90Nb and 91Nb[J]. Chinese Physics C, 2004, 28(S1): 27-30.
CUI Xing-Zhu, ZHU Li-Hua, WU Xiao-Guang, LI Guang-Sheng, WEN Shu-Xian, WANG Zhi-Min, HE Chuang-Ye, ZHANG Zhen-Long, MENG Rui, MA Rui-Gang, TUO Peng, ZHENG Yong and Study of High Spin States in 90Nb and 91Nb[J]. Chinese Physics C, 2004, 28(S1): 27-30. shu
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Received: 2004-12-30
Revised: 1900-01-01
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Study of High Spin States in 90Nb and 91Nb

    Corresponding author: ZHU Li-Hua,
  • China Institute of Atomic Energy, Beijing 102413, China2 Department of Physics, Jilin University, Changchun 130023, China3 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China4 Universit\'{e} de Douala, Facult\'{e} de Sciences, B.P. 8580 Cameroun
  • Received Date: 2004-12-30
  • Accepted Date: 1900-01-01
  • Available Online: 2004-04-02

Abstract: The high spin states of 90Nb and 91Nb have been populated via reaction 76Ge(19F,xn) at beam energy of 80MeV. The de-exciting γ-rays have been measured with in-beam γ-ray spectroscopy method. After γ-γ coincidence analysis, the new level scheme of 90Nb and 91Nb was established. Based on the semi-empirical shell model calculations, the configurations of the levels have been suggested, in addition, the spins and parities of the new levels have been assigned according to the experimental DCO values and to the systematic comparison with the neighboring nuclei.

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