Source correction in positron annihilation lifetime spectroscopy

被引:74
作者
Djourelov, N
Misheva, M
机构
[1] Faculty of Physics, Sofia University, Sofia 1126
关键词
D O I
10.1088/0953-8984/8/12/020
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The positron lifetimes in a (NaCl)-Na-22 source have been measured. The fraction of positrons annihilated in (NaCl)-Na-22 salt and in the Kapton supporting foils has been determined as a function of the atomic number Z of the sample. All of the experimental results have been compared with calculated values obtained from a computer program based on a Monte Carlo algorithm. An algorithm has been proposed for the determination of the source correction in lifetime spectra in positron annihilation lifetime spectroscopy.
引用
收藏
页码:2081 / 2087
页数:7
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