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Chinese Physics C> 1999, Vol. 23> Issue(4) : 320-327 

Study of the Low Excited States of 72Ge

  •  shanghai Institute of Nuclear Research,The Chinese Academy of sciences,shanghai 201800

  • The radioactive decay of 72Ga has been investigated by means of NaI-HpGe Compton-suppress spectrometer,and γ-γ coincidence measurements Performed with two HpGe detectors coupled to three-parameter(γ-γ-T) data acquisition system. 2.3×107 coincidence events are collected. A new decay scheme of 72Ga including 26 levels,87 γ-rays is established. The extensive coincidence relationships are used to identify the γrays and levels of 72 Ge, such as new γ-rays of 225. 92, 826.97, 1349.71,1475. 32, 1667.91, 2105.28, 2247.39keV and new levels of 3248.01, 3396.27, 3806.10,3864.56keV. The unsure transitions of 112.59, 937.97, 2402.25, 2939.95keV and level of 2939.83keV are confirmed in thes work. No evidence has been observed for the existences of 113.5, 1155.7, 1192.4keV γ-rays and level of 3707.1keV. The transitiou of 317.72keV γ-ray is moved from 3757.26-3439. 51keV level to 3565.85-3248.01keV level.
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    [1] Allan Bromley D. Treatise on heavy–ion physics. Vol.8. Mew York and London;Plenum Press, 1989 2 Camp D C et al. NucL Phys., 1968, A121:5613 Rester A C et al. Nucl. Phys.,1971, A162:4614 King M M.Nucl.Data Sheet ,1994,73:2155 King M M . Nucl. Data Sheet, 1989, 56: 16 Landulfo E et al. Phys. Rev., 1994, C50(2):733

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Li Yan, Gu Jiahui, Yu Xiaohan, Liu Jingyi, Cao Yuxiang, Zeng Jiping, Li Wenxin and Shi Shuanghui. Study of the Low Excited States of 72Ge[J]. Chinese Physics C, 1999, 23(4): 320-327.
Li Yan, Gu Jiahui, Yu Xiaohan, Liu Jingyi, Cao Yuxiang, Zeng Jiping, Li Wenxin and Shi Shuanghui. Study of the Low Excited States of 72Ge[J]. Chinese Physics C, 1999, 23(4): 320-327. shu
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Received: 1998-03-12
Revised: 1900-01-01
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Study of the Low Excited States of 72Ge

    Corresponding author: Li Yan,
  • shanghai Institute of Nuclear Research,The Chinese Academy of sciences,shanghai 201800
  • Received Date: 1998-03-12
  • Accepted Date: 1900-01-01
  • Available Online: 1999-04-05

Abstract: The radioactive decay of 72Ga has been investigated by means of NaI-HpGe Compton-suppress spectrometer,and γ-γ coincidence measurements Performed with two HpGe detectors coupled to three-parameter(γ-γ-T) data acquisition system. 2.3×107 coincidence events are collected. A new decay scheme of 72Ga including 26 levels,87 γ-rays is established. The extensive coincidence relationships are used to identify the γrays and levels of 72 Ge, such as new γ-rays of 225. 92, 826.97, 1349.71,1475. 32, 1667.91, 2105.28, 2247.39keV and new levels of 3248.01, 3396.27, 3806.10,3864.56keV. The unsure transitions of 112.59, 937.97, 2402.25, 2939.95keV and level of 2939.83keV are confirmed in thes work. No evidence has been observed for the existences of 113.5, 1155.7, 1192.4keV γ-rays and level of 3707.1keV. The transitiou of 317.72keV γ-ray is moved from 3757.26-3439. 51keV level to 3565.85-3248.01keV level.

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