Identification of Collective Bands in Neutron-Rich 113Ru Nucleus

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ZHANG Zheng, ZHU Sheng-Jiang, XU Rui-Qing, JIANG Zhuo and XIAO Shu-Dong. Identification of Collective Bands in Neutron-Rich 113Ru Nucleus[J]. Chinese Physics C, 2003, 27(8): 688-691.
ZHANG Zheng, ZHU Sheng-Jiang, XU Rui-Qing, JIANG Zhuo and XIAO Shu-Dong. Identification of Collective Bands in Neutron-Rich 113Ru Nucleus[J]. Chinese Physics C, 2003, 27(8): 688-691. shu
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Received: 2002-11-19
Revised: 1900-01-01
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Identification of Collective Bands in Neutron-Rich 113Ru Nucleus

    Corresponding author: ZHU Sheng-Jiang,
  • Department of Physics, Tsinghua University, Beijing 100084, China2 Department of Physics, Vanderbilt University, Nashville, TN37235, USA3 Lawrence Berkeley National Laboratory, Berkeley, CA94720, USA4 Department of Physics, Mississippi State University, MS39762, USA

Abstract: Through measuring high-fold prompt γ- ray coincidence events following the spontaneous fission of 252 Cf with the Gammasphere detector array, new level scheme in the very neutron-rich odd-A 113Ru nucleus has been established. An intruder collective band based on 11/2 level has been identified with spin up to 31/2 k and excitation energy 3.6 MeV. This band most probably originates from vh11/2. intruder orbital. Another collective band probably built on 9/2 level is also observed. Some important characteristics of the collective bands have been systematically discussed.

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