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Dong, L.

Paper Title Page
WEPEC039 IHEP Low-loss Large Grain 9-cell Cavity Fabrication and Processing 2974
 
  • J.Y. Zhai, J.P. Dai, L. Dong, J. Gao, Z.D. Guo, Z.Q. Li, L.L. Men, Q.Y. Wang
    IHEP Beijing, Beijing
  • J.Z. Chen, J.Q. Qiao
    HJL, Beijing
  • J.X. Wang, H. Yu, H. Yuan
    BIAM, Beijing
  • W.P. Xie
    Ningxia Orient Tantalum Industry Co., Ltd., Dawukou District, Shizuishan city
  • T.X. Zhao
    IHEP Beiing, Beijing
  
 

The com­bi­na­tion of the low-loss shape and large grain nio­bi­um ma­te­ri­al is ex­pect­ed to be the pos­si­ble way to achieve high­er gra­di­ent and lower cost for ILC 9-cell cav­i­ties. As the key com­po­nent of the 'IHEP 1.3 GHz SRF Ac­cel­er­at­ing Unit and Hor­i­zon­tal Test Stand Pro­ject', a low-loss shape 9-cell cav­i­ty using Ningx­ia large grain nio­bi­um has been fab­ri­cat­ed and sur­face treat­ed at IHEP and will be test­ed at KEK. The fab­ri­ca­tion pro­ce­dure, sur­face treat­ment recipes as well as the SRF fa­cil­i­ties are pre­sent­ed in this paper.