An electrostatic storage ring for atomic and molecular science

被引:68
|
作者
Tanabe, T
Chida, K
Noda, K
Watanabe, I
机构
[1] KEK, High Energy Accelerator Res Org, Tsukuba, Ibaraki 3050801, Japan
[2] Natl Inst Radiol Sci, Chiba 2638555, Japan
[3] Toshiba Co Ltd, Keihin Prod Operat, Yokohama, Kanagawa 2300045, Japan
关键词
cyclic accelerator; storage ring;
D O I
10.1016/S0168-9002(01)01704-1
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
An electrostatic storage ring with a circumference of 8.1 m was designed for the research of atomic and molecular science. The race-track ring consists of two 160degrees deflectors, four 10degrees deflectors and four quadrupole doublets. For the 160degrees deflectors, a cylindrical shape has been adopted. In this ring, there are four types of stable regions with and without waists of the beam envelope in the middle of the deflectors. A beam test was performed with 20-keV ion beams from an ECR ion source. The observed lifetimes of beams stored in each stable region were different under the same conditions, except for the tune values. The lifetimes did not depend much on the injected beam intensity for a current of less than about 100 nA. The design and performance of the electrostatic storage ring are presented. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:595 / 605
页数:11
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