ION MOTION IN A SMALL LOW-ENERGY CYCLOTRON

被引：3
|
作者：
BERTSCHE, KJ [1 ]
机构：
[1] UNIV CALIF BERKELEY LAWRENCE BERKELEY LAB, BERKELEY, CA 94720 USA
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1991年 / 301卷 / 02期
关键词：
D O I：
10.1016/0168-9002(91)90457-2
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A small cyclotron (the "cyclotrino") was proposed for direct detection of radiocarbon in 1980 and has now detected radiocarbon at natural abundance. High resolution and background rejection are achieved in this cyclotron by acceleration of negative ions through many turns while operating at a high harmonic. This article details the analysis of ion motion in a small flat-field, electrostatically-focused cyclotron. Included are discussions of beam acceptance, axial and radial beam stability, and a detailed analysis of phase bunching and its effect on mass resolution.
引用
收藏
页码：171 / 181
页数：11
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