Studies of an LL-type 500 MHz 5-cell superconducting cavity at SINAP

HOU Hong-Tao; MA Zhen-Yu; MAO Dong-Qing; FENG Zi-Qiang; LUO Chen; SHI Jing; WANG Yan; LI Zheng; XU Kai; ZHAO Yu-Bin; ZHENG Xiang; ZHAO Shen-Jie; ZHANG Zhi-Gang; LIU Jian-Fei

doi:10.1088/1674-1137/39/4/047001

Chinese Physics C> 2015, Vol. 39> Issue(4) : 047001 DOI: 10.1088/1674-1137/39/4/047001

Studies of an LL-type 500 MHz 5-cell superconducting cavity at SINAP

Abstract
HTML
Reference
Related

PDF

Abstract：
A low loss- (LL) type 500 MHz 5-cell superconducting niobium prototype cavity with a large beam aperture has been developed successfully including the optimization, the deep drawing and electron beam welding, the surface treatment and the vertical testing. The performance of the fundamental mode was optimized and the higher order modes were damped by adopting an enlarged beam pipe for propagation. Surface preparation or treatment including mechanical polishing, buffered chemical polishing and high pressure rinsing with ultra-pure water and so on was carried out carefully to ensure a perfect inner surface condition. The vertical testing results show that the accelerating voltage higher than 7.5 MV was obtained while the quality factor was better than 1× 10⁹ at 4.2 K. No obvious multipacting or field emission was found during the test. However, a quench happened while increasing the field a little higher than 7.5 MV that at present limited the cavity performance.

[1]	XU Meng-Xin , HE Yuan , ZHANG Sheng-Hu , XIA Jia-Wen . Adjusting the accelerating field distribution of a superconducting CH cavity. Chinese Physics C, 2015, 39(5): 057009. doi: 10.1088/1674-1137/39/5/057009
[2]	PENG Ying-Hua , ZHANG Xin-Ying , LI Han , SHA Peng , Li Zhong-Quan , PAN Wei-Min . Design of a 325 MHz SC Spoke040 cavity at IHEP. Chinese Physics C, 2014, 38(11): 117005. doi: 10.1088/1674-1137/38/11/117005
[3]	LI Han , DAI Jian-Ping , SHA Peng , WANG Qun-Yao , HUANG Hong , LI Li-Hai , ZHANG Juan , MA Qiang , LIN Hai-Ying , SUN Yi , PAN Wei-Min . Development of a 325 MHz β =0.12 superconducting single spoke cavity for China-ADS. Chinese Physics C, 2014, 38(7): 077008. doi: 10.1088/1674-1137/38/7/077008
[4]	LIU Zhen-Chao , GAO Jie , LI Zhong-Quan , ZHAI Ji-Yuan , ZHAO Tong-Xian , LI Da-Zhang , LIU Yi-Lin , SUN Yi . ADS 650 MHz medium beta cavity study and design. Chinese Physics C, 2013, 37(1): 017005. doi: 10.1088/1674-1137/37/1/017005
[5]	PAN Wei-Min , HUANG Tong-Ming , MA Qiang , WANG Guang-Wei , LIN Hai-Ying , ZHAO Guang-Yuan , SUN Yi , XU Bo , WANG Qun-Yao , SHA Peng . Development of a 500 MHz high power RF test stand. Chinese Physics C, 2012, 36(4): 355-361. doi: 10.1088/1674-1137/36/4/011
[6]	DAI Jing , LU Xiang-Yang , QUAN Sheng-Wen , ZHANG Bao-Cheng , LIN Lin , HAO Jian-Kui , ZHU Feng , XU Wen-Can , HE Fei-Si , JIN Song , WANG Fang , LIU Ke-Xin , ZHAO Kui . Cold RF test and associated mechanical features correlation of a TESLA-style 9-cell superconducting niobium cavity built in China. Chinese Physics C, 2012, 36(2): 156-159. doi: 10.1088/1674-1137/36/2/010
[7]	LI Yong-Ming , ZHU Feng , QUAN Sheng-Wen , Ali Nassiri , LIU Ke-Xin . The design of a five-cell high-current superconducting cavity. Chinese Physics C, 2012, 36(1): 74-79. doi: 10.1088/1674-1137/36/1/013
[8]	MI Zheng-Hui , SUN Yi , WANG Guang-Wei , PAN Wei-Min , LI Zhong-Quan , DAI Jian-Ping , MA Qiang , LIN Hai-Ying , LIU Ya-Ping , XU Bo , HUANG Hong , WANG Qun-Yao , XU Yu-Fen , ZHAO Guang-Yuan , HUANG Tong-Ming , SHA Peng , MENG Fan-Bo , QIU Feng , LI Han , CHEN Xu , ZHAO Dan-Yang , ZHANG Juan . Horizontal test for BEPCⅡ 500 MHz spare cavity. Chinese Physics C, 2012, 36(10): 996-999. doi: 10.1088/1674-1137/36/10/014
[9]	LU Chang-Wang , LIU Jian-Fei , HOU Hong-Tao , MA Zhen-Yu , MAO Dong-Qing , FENG Zi-Qiang , ZHAO Shen-Jie , LUO Chen , ZHAO Yu-Bin , ZHANG Zhi-Gang , ZHENG Xiang , WEI Ye-Long , YU Hai-Bo , LI Zheng , XU Kai . Design and simulation of a new type of 500 MHz single-cell superconducting RF cavity. Chinese Physics C, 2012, 36(5): 447-451. doi: 10.1088/1674-1137/36/5/012
[10]	WANG Fang , LIN Lin , ZHANG He , HAO Jian-Kui , ZHANG Bao-Cheng , LIU Ke-Xin . Amplitude and phase stability studies in a DC superconducting injector. Chinese Physics C, 2011, 35(9): 855-858. doi: 10.1088/1674-1137/35/9/013
[11]	LIU Sheng-Guang , XU Jin-Qiang . Design studies on a 500 kV DC gun photo-injector for the BXERL test facility. Chinese Physics C, 2011, 35(1): 88-91. doi: 10.1088/1674-1137/35/1/018
[12]	HOU Hong-Tao , LIU Jian-Fei , ZHAO Yu-Bin , ZHAO Shen-Jie , ZHANG Zhi-Gang , LUO Chen , FENG Zi-Qiang , MAO Dong-Qing , ZHENG Xiang , LI Zheng . Analysis of superconducting cavity quench events at SSRF. Chinese Physics C, 2011, 35(2): 179-182. doi: 10.1088/1674-1137/35/2/014
[13]	YANG Liu , HE Fei-Si , XU Wen-Can , ZHU Feng , LU Xiang-Yang , ZHAO Kui . Tuning for the first 9-cell TESLA cavity of PKU. Chinese Physics C, 2010, 34(4): 496-498. doi: 10.1088/1674-1137/34/4/015
[14]	LIU Zhen-Chao . Design and study of a high-current 5-cell superconducting rf cavity. Chinese Physics C, 2010, 34(5): 603-605. doi: 10.1088/1674-1137/34/5/018
[15]	WANG Fang , LU Xiang-Yang , WANG Er-Dong , ZHAO Kui . Study on the RF performance of 2-cell superconducting cavity. Chinese Physics C, 2009, 33(1): 74-76. doi: 10.1088/1674-1137/33/1/015
[16]	ZHANG Meng , ZHAO Ming-Hua . Study of multipacting effect in superconducting cavity. Chinese Physics C, 2008, 32(10): 846-848. doi: 10.1088/1674-1137/32/10/016
[17]	GE Ming-Qi , ZHAO Sheng-Chu , SUN Hong , GAO Jie . Design study on 1.3GHz Mono-cell High Gradient Low Loss Superconducting Cavity. Chinese Physics C, 2006, 30(4): 354-358.
[18]	WANG Gui-Mei , WU Wen-Zong , Xiangyang LU , ZHANG Bao-Cheng , QUAN Sheng-Wen , ZHU Feng , LIN LIN , JIAO Fei , ZHAO Kui . Study on HOMs in 1+1/2 Cell Superconducting Cavity. Chinese Physics C, 2005, 29(11): 1077-1080.
[19]	GE Ming-Qi , ZHAO Sheng-Chu . Lorentz Force Detuning Analysis of 700MHz Single-Cell Superconducting Cavity. Chinese Physics C, 2005, 29(4): 413-417.
[20]	Zu Donglin . Concept Design of a New Structure of 1.3GHz Single-Cell Superconducting Cavities. Chinese Physics C, 1997, 21(S1): 491-503.

Access

Get Citation

HOU Hong-Tao, MA Zhen-Yu, MAO Dong-Qing, FENG Zi-Qiang, LUO Chen, SHI Jing, WANG Yan, LI Zheng, XU Kai, ZHAO Yu-Bin, ZHENG Xiang, ZHAO Shen-Jie, ZHANG Zhi-Gang and LIU Jian-Fei. Studies of an LL-type 500 MHz 5-cell superconducting cavity at SINAP[J]. Chinese Physics C, 2015, 39(4): 047001. doi: 10.1088/1674-1137/39/4/047001

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 2014-07-04
Revised: 1900-01-01

Article Metric

Article Views(1777)
PDF Downloads(161)
Cited by(0)

Policy on re-use

To reuse of subscription content published by CPC, the users need to request permission from CPC, unless the content was published under an Open Access license which automatically permits that type of reuse.

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Studies of an LL-type 500 MHz 5-cell superconducting cavity at SINAP

Corresponding author: LIU Jian-Fei,

Received Date: 2014-07-04

Accepted Date: 1900-01-01

Available Online: 2015-04-05

Abstract: A low loss- (LL) type 500 MHz 5-cell superconducting niobium prototype cavity with a large beam aperture has been developed successfully including the optimization, the deep drawing and electron beam welding, the surface treatment and the vertical testing. The performance of the fundamental mode was optimized and the higher order modes were damped by adopting an enlarged beam pipe for propagation. Surface preparation or treatment including mechanical polishing, buffered chemical polishing and high pressure rinsing with ultra-pure water and so on was carried out carefully to ensure a perfect inner surface condition. The vertical testing results show that the accelerating voltage higher than 7.5 MV was obtained while the quality factor was better than 1× 10⁹ at 4.2 K. No obvious multipacting or field emission was found during the test. However, a quench happened while increasing the field a little higher than 7.5 MV that at present limited the cavity performance.

Studies of an LL-type 500 MHz 5-cell superconducting cavity at SINAP

Abstract：

Access

Article Metrics

Metrics

通讯作者: 陈斌, bchen63@163.com

Email This Article

Studies of an LL-type 500 MHz 5-cell superconducting cavity at SINAP

Corresponding author: LIU Jian-Fei,

HTML

目录