FISSION AND LIQUID-DROP BEHAVIOR OF CHARGED GOLD CLUSTERS

被引：101
|
作者：
SAUNDERS, WA
机构：
[1] Institut de Physique Expérimentale, Ecole Polytechnique Fédérale de Lausanne, PHB-Ecublens
来源：
PHYSICAL REVIEW LETTERS | 1990年 / 64卷 / 25期
关键词：
D O I：
10.1103/PhysRevLett.64.3046
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Fragmentation measurements on doubly charged Au clusters show that clusters smaller than 18 atoms decay by fission (i.e., two charged cluster fragments) and neutral-atom evaporation. The fission probability is found to increase relative to the evaporation probability with decreasing cluster size, roughly as an exponential function of z2/n, where n is the number of atoms in the cluster. The results are found to be in good agreement with an adapted version of the nuclear liquid-drop model. © 1990 The American Physical Society.
引用
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页码：3046 / 3049
页数：4
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