SIMION simulation of a slow pulsed positron beam

被引：2

作者：

许红霞 ^{[1
]}

刘建党 ^{[1
]}

高传波 ^{[1
]}

翁惠民 ^{[1
]}

叶邦角 ^{[1
]}

机构：

[1] Department of Modern Physics, University of Science and Technology of China

来源：

中国物理C | 2012年 / 03期

基金：

国家自然科学基金重大项目; 中国国家自然科学基金;

关键词：

D O I：

暂无

中图分类号：

O572.322 [];

学科分类号：

070202 ;

摘要：

A new slow pulsed positron beam, including a positron source, a moderator, a chopper, a prebuncher, a main-buncher and a sample chamber, etc, has been installed and tested. It is necessary to simulate the acceleration, transportation and space focusing of positrons to meet the needs of beam debugging and further positron annihilation experiments. The result from SIMION simulations shows that the radius of the focused positron beam is less than 5 mm, which is further confirmed in our practical debugging process.

引用

页码：251 / 255

页数：5

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