α decay properties of 297Og within the two-potential approach

  • The α decay half-life of the unknown nucleus 297Og is predicted within the two-potential approach, and α preformation probabilities of 64 odd-A nuclei in the region of proton numbers 82 < Z < 126 and neutron numbers 152 < N < 184, from 251Cf to 295Og, are extracted. In addition, based on the latest experimental data, a new set of parameters for α preformation probabilities considering the shell effect and proton-neutron interaction are obtained. The predicted α decay half-life of 297Og is 0.16 ms within a factor of 4.97. The predicted spin and parity of the ground states for 269Sg, 285Fl and 293Lv are 3/2+, 3/2+ and 5/2+, respectively.
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Jun-Gang Deng, Jun-Hao Cheng, Bo Zheng and Xiao-Hua Li. α decay properties of 297Og within the two-potential approach[J]. Chinese Physics C, 2017, 41(12): 124109. doi: 10.1088/1674-1137/41/12/124109
Jun-Gang Deng, Jun-Hao Cheng, Bo Zheng and Xiao-Hua Li. α decay properties of 297Og within the two-potential approach[J]. Chinese Physics C, 2017, 41(12): 124109.  doi: 10.1088/1674-1137/41/12/124109 shu
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Received: 2017-07-15
Revised: 2017-09-19
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    Supported by National Natural Science Foundation of China (11205083, 11505100), Construct Program of the Key Discipline in Hunan Province, the Research Foundation of Education Bureau of Hunan Province, China (15A159), the Natural Science Foundation of Hunan Province, China (2015JJ3103, 2015JJ2121), the Innovation Group of Nuclear and Particle Physics in USC, the Shandong Province Natural Science Foundation, China (ZR2015AQ007) and Hunan Provincial Innovation Foundation For Postgraduate (CX2017B536)

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α decay properties of 297Og within the two-potential approach

    Corresponding author: Bo Zheng,
    Corresponding author: Xiao-Hua Li,
  • 1.  School of Nuclear Science and Technology, University of South China, Hengyang 421001, China
  • 2. School of Nuclear Science and Technology, University of South China, Hengyang 421001, China
  • 3. Cooperative Innovation Center for Nuclear Fuel Cycle Technology &
  • 4. Key Laboratory of Low Dimensional Quantum Structures and Quantum Control, Hunan Normal University, Changsha 410081, China
Fund Project:  Supported by National Natural Science Foundation of China (11205083, 11505100), Construct Program of the Key Discipline in Hunan Province, the Research Foundation of Education Bureau of Hunan Province, China (15A159), the Natural Science Foundation of Hunan Province, China (2015JJ3103, 2015JJ2121), the Innovation Group of Nuclear and Particle Physics in USC, the Shandong Province Natural Science Foundation, China (ZR2015AQ007) and Hunan Provincial Innovation Foundation For Postgraduate (CX2017B536)

Abstract: The α decay half-life of the unknown nucleus 297Og is predicted within the two-potential approach, and α preformation probabilities of 64 odd-A nuclei in the region of proton numbers 82 < Z < 126 and neutron numbers 152 < N < 184, from 251Cf to 295Og, are extracted. In addition, based on the latest experimental data, a new set of parameters for α preformation probabilities considering the shell effect and proton-neutron interaction are obtained. The predicted α decay half-life of 297Og is 0.16 ms within a factor of 4.97. The predicted spin and parity of the ground states for 269Sg, 285Fl and 293Lv are 3/2+, 3/2+ and 5/2+, respectively.

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