Feasibility studies of RFQ based 14C accelerator mass spectrometry

被引：9
|
作者：
Guo, Zhiyu [1 ]
Liu, Kexin
Yan, Xueqing
Xie, Yi
Fang, Jiaxun
Chen, Jiaer
机构：
[1] Peking Univ, Key Lab Heavy Ion Phys, Minist Educ, Beijing 100871, Peoples R China
[2] Peking Univ, Sch Phys, Beijing 100871, Peoples R China
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2007年 / 259卷 / 01期
基金：
高等学校博士学科点专项科研基金; 中国国家自然科学基金;
关键词：
AMS; RFQ; C-14; measurement;
D O I：
10.1016/j.nimb.2007.01.159
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Electrostatic accelerators with terminal voltage less than 1 MeV have been successfully used for 14 C ANIS. This contribution shows that a small RFQ accelerator may also be suitable for AMS C-14 measurements. A well-designed RFQ accelerator can realize a low energy spread and high isotopic selection with a length of less than I in and reasonable power consumption. Compared with small tandem accelerators, a RFQ does not need isolation gas and can accept much higher beam currents. Its stripper would be at ground potential and there would be no further acceleration after stripping, so the background from charge exchange processes should be lower. The RFQ design and system are described. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：204 / 207
页数：4
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