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New calculations of α-decay half-lives by the Viola-Seaborg formula

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Abstract.

The Viola-Seaborg formula is a well-known formula for α-decay half-lives of heavy nuclei. In this work we obtain new parameters of this formula through a least-square fit to even-even nuclei between Z = 84 and Z = 110 with N greater than 126. On average, the formula can reproduce the half-lives of heavy even-even nuclei within a factor of 1.3. The formula with new parameters works well for the superheavy region which is a hot topic of nuclear physics. The numerical results from the formula are compared with those from the cluster model.

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Authors and Affiliations

  1. Department of Physics, Nanjing University, 210008, Nanjing, PRC

    Tiekuang Dong & Zhongzhou Ren

  2. Center of Theoretical Nuclear Physics, National Laboratory of Heavy-Ion Accelerator, 730000, Lanzhou, PRC

    Zhongzhou Ren

Authors
  1. Tiekuang Dong
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  2. Zhongzhou Ren
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J. Äystö

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Dong, T., Ren, Z. New calculations of α-decay half-lives by the Viola-Seaborg formula. Eur. Phys. J. A 26, 69–72 (2005). https://doi.org/10.1140/epja/i2005-10142-y

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  • DOI: https://doi.org/10.1140/epja/i2005-10142-y

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