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A new barrier penetration formula and its application to α-decay half-lives

Abstracts

Starting from the WKB approximation, a new barrier penetration formula is proposed for poten- tial barriers containing a long-range Coulomb interaction. This formula is especially proper for the barrier penetration with penetration energy much lower than the Coulomb barrier. The penetra- bilities calculated from the new formula agree well with the results from the WKB method. As a first attempt, this new formula is used to evaluate α decay half-lives of atomic nuclei and a good agreement with the experiment is obtained.
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Recommended references: Lu-Lu Li,Shan-Gui Zhou,En-Guang Zhao,Werner Scheid.(2017).A new barrier penetration formula and its application to α-decay half-lives.[ChinaXiv:201708.00261] (Click&Copy)
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[V1] 2017-08-22 20:09:50 chinaXiv:201708.00261V1 Download
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