The horizontal test for the BEPCII 500 MHz spare cavity has been completed at IHEP. The maximum voltage of the cavity reached 2.17 MV, while Q0 was 5.78×108. The process and results of the high power horizontal test are presented and discussed in this paper.
The simulation and analysis for electron multipacting phenomenon in low β spoke superconducting cavity in ADS proton accelerator are proposed. Using both CST and Track3P codes, the electron multipacting calculation for β = 0.12 spoke superconducting cavity is implemented. The methods of multipacting calculation on both codes are studied and described. With the comparison between the calculation results and the cavity vertical test result, the accuracy and reliability of different code on calculating multipacting are analyzed. Multipacting calculation can help to understand the result of vertical test and also can help to do the optimation in cavity design.
Zhenghui (米正辉) 1;2;1) SUN Yi(孙毅) 2 PAN Weimin(潘卫民) 2 LIN Haiying(林海英) 2 ZHAO Danyang (赵丹阳) 1;2 LU Xiangyang(鲁向阳) 3 QUAN Shengwen(全胜文) 3 LUO Xing(罗星) 3 LI Ming(黎明) 4,5 YANG Xingfan(杨兴繁) 4,5 WANG Guangwei(王光伟) 2 DAI Jianping(戴建枰) 2 LI Zhongquan(李中泉) 2 MA Qiang(马强) 2 SHA Peng(沙鹏)
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