Duoplasmatron beam characteristic in an ion source test stand for an accelerator mass spectrometer

被引：8
|
作者：
Park, Sae-Hoon [1 ]
Lee, Sang-Hun [1 ]
Kim, Yu-Seok [1 ]
机构：
[1] Dongguk Univ, Div Creat Convergence Engn, 123 Dongdae Ro, Gyeongju Si 38066, Gyeongsangbuk D, South Korea
来源：
VACUUM | 2019年 / 164卷
基金：
新加坡国家研究基金会;
关键词：
Duoplasmatron; Accelerator mass spectrometer; Beam characteristic; ion source; SIMULATION;
D O I：
10.1016/j.vacuum.2019.03.034
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A gaseous ion source has been designed at Dongguk University accelerator mass spectrometer facility, Korea. Radiocarbon dating is conducted at this facility with a mini carbon dating system and a prototype ion source has been developed for a gas injection system for high-level C-14 samples, which can decrease the precision of sample measurements for carbon dating. To improve the efficiency of carbon counting of gas samples, a gaseous ion source called a duoplasmatron has been installed in the prototype ion source test stand with low cost, easy maintenance, and direct gas discharge. It is necessary to verify the operation characteristics of the duoplasmatron of the ion source test stand with the beam characteristics to measure the beam current with various ion source parameters. The effects of the arc current, ion source magnet field, and extraction voltage on the beam current are presented in this paper.
引用
收藏
页码：246 / 249
页数：4
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