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TY - CONF AU - Zhang, Z.L. AU - Guo, Y.H. AU - He, Y. AU - Hoff, M.D. AU - Jia, H. AU - Lambert, A.R. AU - Li, C.X. AU - Li, D. AU - Liu, Y. AU - Lu, L. AU - Pan, G. AU - Shi, A. AU - Shi, L.B. AU - Staples, J.W. AU - Sun, L.P. AU - Virostek, S.P. AU - Wang, W.B. AU - Wang, X.W. AU - Wu, J.X. AU - Wu, Q. AU - Xu, X.B. AU - Zhang, B. AU - Zhang, C. AU - Zhang, J.H. AU - Zhao, H.W. AU - Zhu, T.M. ED - Petit-Jean-Genaz, Christine ED - Arduini, Gianluigi ED - Michel, Peter ED - Schaa, Volker RW TI - Development of the injector II RFQ for China ADS project J2 - Proc. of IPAC2014, Dresden, Germany, June 15-20, 2014 C1 - Dresden, Germany T2 - International Particle Accelerator Conference T3 - 5 LA - english AB - As one of the main components of the injector II of China ADS LINAC project, an RFQ working at 162.5MHz is used to accelerate proton beams of 15mA from 30 keV to 2.1 MeV. The four vane RFQ has been designed in collaboration with Lawrence Berkeley National Laboratory and built at the workshop of the Institute of Modern Physics, Chinese Academy of Sciences (IMP, CAS). Low power test of the cavity have been completed, and it shows the field flatness is within ±1% and the unloaded Q is 12600. RF conditioning has been completed, results of preliminary beam test show the output beam energy is 2.16 MeV with energy spread of 3.5% and the transmission efficiency is 97.9%. Continuous wave (CW) beam of 2.3 mA has been accelerated for more than one hour. PB - JACoW CP - Geneva, Switzerland SP - 3280 EP - 3282 KW - rfq KW - cavity KW - acceleration KW - linac KW - proton DA - 2014/07 PY - 2014 SN - 978-3-95450-132-8 DO - 10.18429/JACoW-IPAC2014-THPME027 UR - http://jacow.org/ipac2014/papers/thpme027.pdf ER -