Alignment of beam position monitors in cryomodule of CADS injector II

doi:10.1007/s41365-017-0232-9

	Alignment of beam position monitors in cryomodule of CADS injector II
	Yuan, Jian-Dong; He, Yuan; Zhang, Bin; Zhang, Jun-Hui; Wu, Jun-Xia; Zhang, Yong; Wang, Feng-Feng; Yao, Jun-Jie; Sun, Guo-Zhen; Wan, Yu-Qin
刊名	NUCLEAR SCIENCE AND TECHNIQUES
	2017-06-01
卷号	28 页码:6
关键词	Beam position monitors Alignment Fourier's Law Cryomodule CADS ANSYS
ISSN号	1001-8042
DOI	10.1007/s41365-017-0232-9
英文摘要	Significant temperature difference (300-77 K or even 4 K) can cause large deformations and displacements of the beam position monitors (BPMs), which affect BPMs measurement resolution or even cause their malfunction in cryogenic situations. In this paper, to check the offset from the mechanical to electrical center in low temperature (77 K), Fourier's law and finite element method are used to simulate cryo-deformation. Laser tracker and micro-alignment telescope are employed in combined BPM calibration, installation and monitoring. The calibration error is <0.02 mm, and the installation and monitoring precision are 0.06 mm and 0.01 mm, respectively. The monitored cryo-deformation agrees well with the simulation results. These indicate that the combined alignment can improve performance of the BPM system. All these guaranteed the success of running the 9.55 MeV@ 2.14 mA cw protons.
资助项目	National Natural Science Foundation of China[11605262]
WOS研究方向	Nuclear Science & Technology ; Physics
语种	英语
出版者	SPRINGER SINGAPORE PTE LTD
WOS记录号	WOS:000402895400003
资助机构	National Natural Science Foundation of China
内容类型	期刊论文
源URL	[http://119.78.100.186/handle/113462/44889]
专题	中国科学院近代物理研究所
通讯作者	Yuan, Jian-Dong
作者单位	Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
推荐引用方式 GB/T 7714	Yuan, Jian-Dong,He, Yuan,Zhang, Bin,et al. Alignment of beam position monitors in cryomodule of CADS injector II[J]. NUCLEAR SCIENCE AND TECHNIQUES,2017,28:6.
APA	Yuan, Jian-Dong.,He, Yuan.,Zhang, Bin.,Zhang, Jun-Hui.,Wu, Jun-Xia.,...&Wan, Yu-Qin.(2017).Alignment of beam position monitors in cryomodule of CADS injector II.NUCLEAR SCIENCE AND TECHNIQUES,28,6.
MLA	Yuan, Jian-Dong,et al."Alignment of beam position monitors in cryomodule of CADS injector II".NUCLEAR SCIENCE AND TECHNIQUES 28(2017):6.