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Shell Structures in 91Nb |
| HE Chuang-Ye1, CUI Xing-Zhu1,2, ZHU Li-Hua1,3, WU Xiao-Guang1, LI Guang-Sheng1, LIU Ying1, WANG Zhi-Min1, WEN Shu-Xian1, SUN Hui-Bin3, MA Rui-Gang1, YANG Chun-Xiang1 |
1Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413
2Department of Physics, Jilin University, Changchun 130023
3School of Science, Shenzhen University, Shenzhen 518060
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| Cite this article: |
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HE Chuang-Ye, CUI Xing-Zhu, ZHU Li-Hua et al 2010 Chin. Phys. Lett. 27 102104 |
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Abstract High spin states of 91Nb are populated via the fusion−evaporation reaction 76Ge (19F, 4n)91Nb at the beam energy of 80 MeV. The existing level scheme is modified and extended to higher spins. Its low−lying states are well described by the weakly coupling between a g9/2 proton and the even−even 90Zr core, whereas the higher level structures could be interpreted by the multi−particle excitations in the model space p (1f5/2,2p1/2,1g9/2) n (1g9/2,2d5/2,1g7/2) in the framework of the shell model.
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| Keywords:
21.10.Pc
25.70.Jj
21.60.Cs
27.60.+j
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Received: 26 April 2010
Published: 26 September 2010
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