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

Study of High Spin States in⁹⁰Nb and⁹¹Nb

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

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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.

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Received: 2004-12-30
Revised: 1900-01-01

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通讯作者:陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Study of High Spin States in⁹⁰Nb and⁹¹Nb

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 of⁹⁰Nb and⁹¹Nb have been populated via reaction⁷⁶Ge(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 of⁹⁰Nb and⁹¹Nb 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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Study of High Spin States in⁹⁰Nb and⁹¹Nb

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