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Article Navigation >  Nuclear Physics Review  > 2012  >  29(3): 217-223

HU Bai-shan, ZHANG Hong-fei, LI Jun-qing. Theoretical Study on Spontaneous Fission of Actinides[J]. Nuclear Physics Review, 2012, 29(3): 217-223. doi: 10.11804/NuclPhysRev.29.03.217
Citation: HU Bai-shan, ZHANG Hong-fei, LI Jun-qing. Theoretical Study on Spontaneous Fission of Actinides[J]. Nuclear Physics Review, 2012, 29(3): 217-223. doi: 10.11804/NuclPhysRev.29.03.217
shu

Theoretical Study on Spontaneous Fission of Actinides

doi: 10.11804/NuclPhysRev.29.03.217
  • 1.

    School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;2.Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2012-09-20
  • The spontaneous fission halflives of the actinides are calculated by the WKB approximation and the potential barriers are constructed by a General Liquid Drop Model (GLDM) including the proximity energy， the mass and charge asymmetry， and an accurate nucleus radius. The microscopic shell correction which plays a key role for the spontaneous fission barrier is considered for the first time. The twoparameter quasimolecular shape and the proximity are described in details within the GLDM. The effects of the microscopic shell correction and proximity energy for fission barrier are discussed separately. The calcula ted spontaneous fission halflives for the actinides reasonably accord with the experimental data， implying the present GLDM combined with the microscopic shell correction can be used to study the spontaneous fission properties of heavy nuclei successfully.
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Theoretical Study on Spontaneous Fission of Actinides

doi: 10.11804/NuclPhysRev.29.03.217
  • 1. School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;2.Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2012-09-20

Abstract: The spontaneous fission halflives of the actinides are calculated by the WKB approximation and the potential barriers are constructed by a General Liquid Drop Model (GLDM) including the proximity energy， the mass and charge asymmetry， and an accurate nucleus radius. The microscopic shell correction which plays a key role for the spontaneous fission barrier is considered for the first time. The twoparameter quasimolecular shape and the proximity are described in details within the GLDM. The effects of the microscopic shell correction and proximity energy for fission barrier are discussed separately. The calcula ted spontaneous fission halflives for the actinides reasonably accord with the experimental data， implying the present GLDM combined with the microscopic shell correction can be used to study the spontaneous fission properties of heavy nuclei successfully.

HU Bai-shan, ZHANG Hong-fei, LI Jun-qing. Theoretical Study on Spontaneous Fission of Actinides[J]. Nuclear Physics Review, 2012, 29(3): 217-223. doi: 10.11804/NuclPhysRev.29.03.217
Citation: HU Bai-shan, ZHANG Hong-fei, LI Jun-qing. Theoretical Study on Spontaneous Fission of Actinides[J]. Nuclear Physics Review, 2012, 29(3): 217-223. doi: 10.11804/NuclPhysRev.29.03.217
shu

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