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Volume 34 Issue 3
Jul.  2017
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Article Navigation >  Nuclear Physics Review  > 2017  >  34(3): 459-464

SHEN Shuifa, LI Yan, JIEJIE Shen, SHI Shuanghui, YU Xiaohan, LIU Jingyi, ZENG Jiping, YAN Yupeng. Low-spin States of 70Ge Excited in the 70As(β++EC)70Ge Decay[J]. Nuclear Physics Review, 2017, 34(3): 459-464. doi: 10.11804/NuclPhysRev.34.03.459
Citation: SHEN Shuifa, LI Yan, JIEJIE Shen, SHI Shuanghui, YU Xiaohan, LIU Jingyi, ZENG Jiping, YAN Yupeng. Low-spin States of 70Ge Excited in the 70As(β++EC)70Ge Decay[J]. Nuclear Physics Review, 2017, 34(3): 459-464. doi: 10.11804/NuclPhysRev.34.03.459
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Low-spin States of 70Ge Excited in the 70As(β++EC)70Ge Decay

doi: 10.11804/NuclPhysRev.34.03.459
  • 1.

    Key Laboratory of Neutronics and Radiation Safety, Institute of Nuclear Energy Safety Technology, Chinese Academy of Sciences, Hefei 230031, China;

  • 2.

    School of Physics, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand;

  • 3.

    Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China;

  • 4.

    Institute of Pharmaceutical Biotechnology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China

Funds:  National Natural Science Foundation of China(11065001)
  • Received Date: 2016-12-14
  • Rev Recd Date: 2017-03-30
  • Publish Date: 2017-07-18
  • The excited states of the 70Ge nucleus are investigated in radioactive decay of the 70As. Four new transitions with 1 036.99, 1 196.66, 1 539.29 and 2 531.7 keV are found for the first time. The position of 2 219.34 keV transition are reassigned, the transition positions of 496.74, 1 295.24 and 1 417.24 keV γ-rays are assigned for the first time, and the placements of 1 881.67, 2 325.42 and 2 424.41 keV γ-rays are confirmed in the present work. Two new levels, at 4 243.10 and 5 265.81 keV excitation energy, respectively, are proposed. The decay scheme is established and for a number of levels spin-parity assignments are suggested on the basis of logft values and γ-branching ratios.
  • [1] DE RUITER A P, VERHEUL H, KONIJN J. Nucl Phys A, 1968, 116:473.
    [2] BHAT M R. Nucl Data Sheets, 1993, 68:117.
    [3] BHAT M R. Nucl Data Sheets, 1987, 51:95.
    [4] ALBURGER D E. Phys Rev, 1958, 109:1222.
    [5] PASSOJA A, JULIN R, KANTELE J, et al. Nucl Phys A, 1985, 441:261.
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Low-spin States of 70Ge Excited in the 70As(β++EC)70Ge Decay

doi: 10.11804/NuclPhysRev.34.03.459
  • 1. Key Laboratory of Neutronics and Radiation Safety, Institute of Nuclear Energy Safety Technology, Chinese Academy of Sciences, Hefei 230031, China;
  • 2. School of Physics, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand;
  • 3. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China;
  • 4. Institute of Pharmaceutical Biotechnology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
Funds:  National Natural Science Foundation of China(11065001)
  • Received Date: 2016-12-14
  • Rev Recd Date: 2017-03-30
  • Publish Date: 2017-07-18

Abstract: The excited states of the 70Ge nucleus are investigated in radioactive decay of the 70As. Four new transitions with 1 036.99, 1 196.66, 1 539.29 and 2 531.7 keV are found for the first time. The position of 2 219.34 keV transition are reassigned, the transition positions of 496.74, 1 295.24 and 1 417.24 keV γ-rays are assigned for the first time, and the placements of 1 881.67, 2 325.42 and 2 424.41 keV γ-rays are confirmed in the present work. Two new levels, at 4 243.10 and 5 265.81 keV excitation energy, respectively, are proposed. The decay scheme is established and for a number of levels spin-parity assignments are suggested on the basis of logft values and γ-branching ratios.

SHEN Shuifa, LI Yan, JIEJIE Shen, SHI Shuanghui, YU Xiaohan, LIU Jingyi, ZENG Jiping, YAN Yupeng. Low-spin States of 70Ge Excited in the 70As(β++EC)70Ge Decay[J]. Nuclear Physics Review, 2017, 34(3): 459-464. doi: 10.11804/NuclPhysRev.34.03.459
Citation: SHEN Shuifa, LI Yan, JIEJIE Shen, SHI Shuanghui, YU Xiaohan, LIU Jingyi, ZENG Jiping, YAN Yupeng. Low-spin States of 70Ge Excited in the 70As(β++EC)70Ge Decay[J]. Nuclear Physics Review, 2017, 34(3): 459-464. doi: 10.11804/NuclPhysRev.34.03.459
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