Design of a new type of variable-frequency radio-frequency quadrupole linac with a folded-coaxial resonator

被引：0

作者：

Kamigaito, Osamu ^{[1
]}

Goto, Akira ^{[1
]}

Miyazawa, Yoshitoshi ^{[1
]}

Chiba, Toshiya ^{[1
]}

Hemmi, Masatake ^{[1
]}

Kase, Masayuki ^{[1
]}

Yano, Yasushige ^{[1
]}

机构：

[1] Inst of Physical and Chemical, Research (RIKEN), Saitama, Japan

来源：

Japanese Journal of Applied Physics, Part 2: Letters | 1994年 / 33卷 / 4 A期

关键词：

Acceleration - Electric impedance - Ions - Resonators - Tubes (components);

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A new type of variable-frequency radio-frequency quadrupole (RFQ) linac that will be constructed as a new injector for the RIKEN heavy-ion linac (RILAC) is proposed. It is designed to accelerate ions with mass-to-charge ratios of 7 to 28 at up to 450 keV per charge by varying its operational frequency from 17 to 35 MHz. The resonator has a folded-coaxial structure, and the resonant frequency is changed by a movable shorting plate. As a result of a low-power test on a half-scale model, the required rf power is found to be 6 kW at 17 MHz, and it increases to 34 kW at 35 MHz in cw operation.

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