Model study of a resonator for a flat-top acceleration system in the RIKEN AVF cyclotron

被引：0
|
作者：
Kohara, S [1 ]
Miyazawa, Y [1 ]
Kamigaito, O [1 ]
Chiba, T [1 ]
Ikezawa, E [1 ]
Kase, M [1 ]
Goto, A [1 ]
机构：
[1] RIKEN, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan
来源：
CYCLOTRONS AND THEIR APPLICATIONS 1998 | 1999年
关键词：
D O I：
暂无
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
A resonator for a flat-top acceleration system in the RIKEN AVF cyclotron is designed to improve the extraction efficiency and the energy spread of the beam, The fundamental-frequency range is from 12 to 23 MHz and its maximum accelerating voltage is 50 kV. In order to generate the flat-top accelerating voltage on the dee, an additional resonator is required. which is coupled to the main resonator with a coupling capacitor. The flat-top accelerating voltage is obtained by superimposition of the fundamental-frequency and the fifth-harmonic-frequency voltages. We performed a cold model test of the flat-top system using a full-scale model coupled to the main resonator. It was found that the fifth-harmonic mode was realized below 68.71 MHz, but not in the whole required range.
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页码：219 / 222
页数：4
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