SRF2011 - List of Authors (Xie, H.M.)

Paper	Title	Page
FRIOB02	STATUS OF THE DC-SRF PHOTOINJECTOR FOR PKU-SETF	973
	F. Zhu, J.E. Chen, J.K. Hao, S. Huang, L. Lin, K.X. Liu, X.Y. Lu, S.W. Quan, F. Wang, H.M. Xie, K. Zhao PKU/IHIP, Beijing, People's Republic of China
	Funding: Supported by Major State Basic Research Development Program(973 Program 2011CB808302) and National Natural Science Foundation of China ( 11075007) DC-SRF photocathode injector developed by Peking University is a good candidate for obtaining high average current, low emittance, short electron beam pulse. Much progress has been made on the 3.5-cell cavity DC-SRF injector since SRF2009. The assembling of the cryomodule was completed with the 3.5-cell SRF cavity which has an accelerating gradient of 23.5MV/m in the vertical test. The preliminary RF experiment has been carried out soon after the installation and commissioning of 2K cryogenic system was finished. The accelerating gradient of the cavity is 11.5MV/m in a horizontal cold test and the Qext is 6×10⁶ . The limitation of the gradient is mainly from our present low RF power source. Higher gradient is expected with a new 20kW solid state RF power source which will be delivered to Peking University soon.

Paper

Title

Page

STATUS OF THE DC-SRF PHOTOINJECTOR FOR PKU-SETF

973

F. Zhu, J.E. Chen, J.K. Hao, S. Huang, L. Lin, K.X. Liu, X.Y. Lu, S.W. Quan, F. Wang, H.M. Xie, K. Zhao
PKU/IHIP, Beijing, People's Republic of China

Funding: Supported by Major State Basic Research Development Program(973 Program 2011CB808302) and National Natural Science Foundation of China ( 11075007)
DC-SRF photocathode injector developed by Peking University is a good candidate for obtaining high average current, low emittance, short electron beam pulse. Much progress has been made on the 3.5-cell cavity DC-SRF injector since SRF2009. The assembling of the cryomodule was completed with the 3.5-cell SRF cavity which has an accelerating gradient of 23.5MV/m in the vertical test. The preliminary RF experiment has been carried out soon after the installation and commissioning of 2K cryogenic system was finished. The accelerating gradient of the cavity is 11.5MV/m in a horizontal cold test and the Qext is 6×10⁶ . The limitation of the gradient is mainly from our present low RF power source. Higher gradient is expected with a new 20kW solid state RF power source which will be delivered to Peking University soon.