Anomalies in the α-Decay Energies and Half-Lives of Neutron-Deficient Po Isotopes

被引：0

作者：

M. Huyse

A. Andreyev

K. Van de Vel

P. Van Duppen

R. Wyss

机构：

[1] University of Leuven,Instituut voor Kern

[2] Royal Institute of Technology, en Stralingsfysica

来源：

Hyperfine Interactions | 2001年 / 132卷

关键词：

α decay; shape coexistence;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The transition rates of ΔL=0 - transitions in the lightest Po isotopes are considerably slower than the transition rates of the heavier ones, even leading to a considerable deviation in the classical Geiger-Nuttall plot. Evidence will be given that due to particle-hole excitations through the Z=82 proton shell, the groundstate of the lighter Po isotopes becomes deformed and direct - decay to the spherical groundstate of the corresponding Pb isotopes is highly retarded.

引用

页码：141 / 146

页数：5

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