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TY - CONF AU - Lu, L. AU - He, T. AU - He, Y. AU - Ma, W. AU - Shi, L.B. AU - Sun, L.P. AU - Xing, C.C. AU - Xu, X.B. AU - Yang, L. AU - Zhao, H.W. ED - Koscielniak, Shane ED - Satogata, Todd ED - Schaa, Volker RW ED - Thomson, Jana TI - Low Power Test and Tuning of the LEAF RFQ J2 - Proc. of IPAC2018, Vancouver, BC, Canada, April 29-May 4, 2018 C1 - Vancouver, BC, Canada T2 - International Particle Accelerator Conference T3 - 9 LA - english AB - A continuous wave (CW) four-vane radio frequency quadrupole (RFQ) accelerator is under construction for the Low Energy Accelerator Facility (LEAF) at Institute of Modern Physics (IMP). The 5.96 m RFQ will operate with the capability of accelerating all ion species from proton to uranium from 14 keV/u up to 500 keV/u. In this paper, the low power test and tuning results of the RFQ accelerator, including the test of the separate sections and the whole cavity, will be presented. After the final tuning, the relative error of the quadrupole field is within 2% and the admixture of the dipole modes are below 4% of the quadrupole mode. PB - JACoW Publishing CP - Geneva, Switzerland SP - 1028 EP - 1031 KW - rfq KW - quadrupole KW - cavity KW - dipole KW - operation DA - 2018/06 PY - 2018 SN - 978-3-95450-184-7 DO - 10.18429/JACoW-IPAC2018-TUPAL011 UR - http://jacow.org/ipac2018/papers/tupal011.pdf ER -