POSITRON LIFETIME IN VOIDS INDUCED IN QUENCHED ALUMINUM

被引：7
|
作者：
MURAKAMI, H
ENDO, T
MATSUDA, I
机构：
[1] Department of Physics, Faculty of Education, Tokyo Gakugei University, Koganei-shi, Tokyo 184, Nukuikita-machi
来源：
PHYSICAL REVIEW B | 1991年 / 44卷 / 06期
关键词：
D O I：
10.1103/PhysRevB.44.2504
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The lifetime changes from 0.520 +/- 0.020 ns to 0.580 +/- 0.020 ns for positrons trapped in quench-induced voids as the average void diameter varies from 14 to 2 nm. This work shows that the positron lifetime in the void exceeds the limiting value of 0.500 ns for the spin-averaged lifetime of positronium.
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页码：2504 / 2506
页数：3
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