Structural analysis of quarter-wave resonators in IMP

被引：4

作者：

Zhang Cong ^{[1
]}

He Shou-Bo ^{[1
,2
]}

Wang Ruo-Xu ^{[1
]}

Zhang Sheng-Hu ^{[1
]}

He Yuan ^{[1
]}

Zhao Hong-Wei ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

CHINESE PHYSICS C | 2013年 / 37卷 / 10期

基金：

中国国家自然科学基金;

关键词：

quarter-wave resonator; structural stability; etching effect; Lorentz force detuning; helium pressure detuning; mechanical vibration;

D O I：

10.1088/1674-1137/37/10/107002

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The taper-shaped superconducting quarter wave resonators with frequency of 80.5 MHz, beta of 0.041 and 0.085 have been pre-researched. The radio frequency (RF) design of the cavities has been completed, and the structural design is also an important aspect which will be discussed in the following. The frequency shift caused by the etching effects of the surface treatment, the helium bath pressure and the Lorentz force, and the mechanical modes caused by the microphonic excitation have been analyzed. The results show that the frequency variation from the Lorentz force is not serious and stiffening rings are explored aimed at decreasing the deformation brought by the helium pressure and microphonic excitation.

引用

页数：5

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