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Chinese Physics C> 2014, Vol. 38> Issue(7) : 074004 DOI: 10.1088/1674-1137/38/7/074004

New high spin level scheme of 87Sr

  • High spin states of the odd-A 87Sr were populated by the fusion-evaporation reaction 82Se(9Be, 4n) 87Sr at a beam energy of 46 MeV. Excited levels of 87Sr have been extended up to an excitation energy of 7.4 MeV at spin 31/2ħ. The coupling of a g9/2 neutron hole to the yrast states of the 88Sr core can account for the low-lying states in 87Sr. The structure of the higher spin states is discussed by analogy with those of the neighboring odd-A N=49 isotones and possible configurations are proposed.
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LI Hong-Wei, LU Jing-Bin, LI Guang-Sheng, ZHENG Yun, YAO Shun-He, WU Xiao-Guang, HE Chuang-Ye, XIA Qing-Liang, LIU Jia-Jian, LI Cong-Bo, HU Shi-Peng, WANG Jin-Long, WU Yi-Heng, LUO Peng-Wei, MA Ke-Yan, XU Chuan and SUN Jun-Jie. New high spin level scheme of 87Sr[J]. Chinese Physics C, 2014, 38(7): 074004. doi: 10.1088/1674-1137/38/7/074004
LI Hong-Wei, LU Jing-Bin, LI Guang-Sheng, ZHENG Yun, YAO Shun-He, WU Xiao-Guang, HE Chuang-Ye, XIA Qing-Liang, LIU Jia-Jian, LI Cong-Bo, HU Shi-Peng, WANG Jin-Long, WU Yi-Heng, LUO Peng-Wei, MA Ke-Yan, XU Chuan and SUN Jun-Jie. New high spin level scheme of 87Sr[J]. Chinese Physics C, 2014, 38(7): 074004.  doi: 10.1088/1674-1137/38/7/074004 shu
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Received: 2013-12-12
Revised: 1900-01-01
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New high spin level scheme of 87Sr

    Corresponding author: LI Hong-Wei,
    Corresponding author: LU Jing-Bin,
  • Received Date: 2013-12-12
  • Accepted Date: 1900-01-01
  • Available Online: 2014-07-05

Abstract: High spin states of the odd-A 87Sr were populated by the fusion-evaporation reaction 82Se(9Be, 4n) 87Sr at a beam energy of 46 MeV. Excited levels of 87Sr have been extended up to an excitation energy of 7.4 MeV at spin 31/2ħ. The coupling of a g9/2 neutron hole to the yrast states of the 88Sr core can account for the low-lying states in 87Sr. The structure of the higher spin states is discussed by analogy with those of the neighboring odd-A N=49 isotones and possible configurations are proposed.

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