Transverse broadband impedance reduction techniques in a heavy ion accelerator
文献类型：期刊论文
| 作者 | Chen, X. Q.1,2,3; Zhu, G. Y.1,3; Caspers, F.4; Yang, J. C.1,3 ; Wu, J. X.1,3; Shen, G. D.1,3; Liu, J.1,3; Xia, J. W.1,3; Zhan, Y.1,3; Ruan, S.1,3
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| 刊名 | PHYSICAL REVIEW ACCELERATORS AND BEAMS
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| 出版日期 | 2020-03-11 |
| 卷号 | 23期号:3页码:9 |
| ISSN号 | 2469-9888 |
| DOI | 10.1103/PhysRevAccelBeams.23.034402 |
| 通讯作者 | Zhu, G. Y.(zhuguangyu@impcas.ac.cn) ; Yang, J. C.(yangjch@impcas.ac.cn) |
| 英文摘要 | The transverse broadband impedances of major components in the BRing (booster ring) of HIAF (High Intensity Heavy-ion Accelerator Facility) are estimated using the analytical formulas or the wakefield solver in the CST Studio Suite. At low frequency, the transverse broadband impedance model of BRing is Z(1)(H)(omega) = -417.14i k Omega/m(horizontal) and Z(1)(V) (omega) -530.19i k Omega/m(vertical), which are larger than the threshold impedance for the transverse mode-coupling instability. The ceramic rings in the vacuum chamber are the primary source of impedance. With a goal of mitigating the instability by reducing the impedance of ceramic rings, a high conductivity coating is discussed in detail. In addition, a prototype of ceramic rings-loaded thin-wall vacuum chamber is manufactured and the impedance measurements are performed. When ceramic rings are coated by 2 mu m-copper, the CST simulation and experiment results show that the transverse broadband impedance of ceramic rings-loaded thin-wall vacuum chamber can be reduced from Z(1)(H)(omega) = -291.69i k Omega/m and Z(1)(V)(omega) -352.37i k Omega/m to Z(1)(H)(omega) = -46.16i k Omega/m and Z(1)(V)(omega) = -64.56i k Omega/m. Furthermore, in this case the transverse broadband impedance model of BRing is reduced by more than 50% to Z(1)(H)(omega) = -171.61i k Omega/m and Z(1)(V)(omega) = -242.38i k Omega/m. |
| 资助项目 | National Natural Science Foundation of China[11705253] ; Guangdong Innovative and Entrepreneurial Research Team Program[2016ZT06G373] |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000518994000004 |
| 出版者 | AMER PHYSICAL SOC |
| 资助机构 | National Natural Science Foundation of China ; Guangdong Innovative and Entrepreneurial Research Team Program |
| 源URL | [http://119.78.100.186/handle/113462/140906]  |
| 专题 | 中国科学院近代物理研究所 |
| 通讯作者 | Zhu, G. Y.; Yang, J. C. |
| 作者单位 | 1.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Huizhou Res Ctr Ion Sci, Huizhou 516003, Peoples R China 4.CERN, CH-1211 Geneva 23, Switzerland |
| 推荐引用方式 GB/T 7714 | Chen, X. Q.,Zhu, G. Y.,Caspers, F.,et al. Transverse broadband impedance reduction techniques in a heavy ion accelerator[J]. PHYSICAL REVIEW ACCELERATORS AND BEAMS,2020,23(3):9. |
| APA | Chen, X. Q..,Zhu, G. Y..,Caspers, F..,Yang, J. C..,Wu, J. X..,...&Gao, Y. Z..(2020).Transverse broadband impedance reduction techniques in a heavy ion accelerator.PHYSICAL REVIEW ACCELERATORS AND BEAMS,23(3),9. |
| MLA | Chen, X. Q.,et al."Transverse broadband impedance reduction techniques in a heavy ion accelerator".PHYSICAL REVIEW ACCELERATORS AND BEAMS 23.3(2020):9. |
入库方式： OAI收割
来源：近代物理研究所
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