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Measurement of the transfer function for a spoke cavity of C-ADS Injector I
Huang XF(黄雪芳); Sun Y(孙毅); Wang GW(王光伟); Wang SZ(王少哲); Wang QY(王群要); Liu R(刘熔); Lin HY(林海英); Wang MY(王牧源); Huang, XF; Sun, Y; Wang, GW; Wang, SZ; Zheng, X; Wang, QY; Liu, R; Lin, HY; Wang, MY
2017
Source PublicationCHINESE PHYSICS C中国物理. C
ISSN1674-1137
Volume41Issue:4Pages:47001
SubtypeArticle
AbstractThe spoke cavities mounted in the China Accelerator Driven sub-critical System (C-ADS) have high quality factor (Q) and very small bandwidth, making them very sensitive to mechanical perturbations, whether external or self-induced. The transfer function is used to characterize the response of the cavity eigenfrequency to the perturbations. This paper describes a method to measure the transfer function of a spoke cavity. The measured Lorentz transfer function shows there are 206 Hz and 311 Hz mechanical eigenmodes excited by Lorentz force in the cavity of C-ADS, and the measured piezo fast tuner transfer function shows there are 12 mechanical eigenmodes from 0 to 500 Hz. According to these results, some effective measures have been taken to weaken the influence of helium pressure fluctuation, avoid mechanical resonances and improve the reliability of the RF system.
KeywordSpoke012 Lorentz transfer function piezo fast tuner transfer function mechanical eigenmodes
DOI10.1088/1674-1137/41/4/047001
Indexed BySCI ; SCOPUS ; ADS ; CSCD
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear ; Physics, Particles & Fields
WOS IDWOS:000400124800022
CSCD IDCSCD:5954043
ADS Bibcode2017ChPhC..41d7001H
ADS URLhttps://ui.adsabs.harvard.edu/abs/2017ChPhC..41d7001H
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2017ChPhC..41d7001H/citations
AXRIV CODE168
inspireid1484559
Citation statistics
Cited Times:0 [INSPIRE]
Cited Times:0 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/284747
Collection加速器中心
实验物理中心
多学科研究中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Huang XF,Sun Y,Wang GW,et al. Measurement of the transfer function for a spoke cavity of C-ADS Injector I[J]. CHINESE PHYSICS C中国物理. C,2017,41(4):47001.
APA 黄雪芳.,孙毅.,王光伟.,王少哲.,王群要.,...&Wang, MY.(2017).Measurement of the transfer function for a spoke cavity of C-ADS Injector I.CHINESE PHYSICS C中国物理. C,41(4),47001.
MLA 黄雪芳,et al."Measurement of the transfer function for a spoke cavity of C-ADS Injector I".CHINESE PHYSICS C中国物理. C 41.4(2017):47001.
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