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TY - CONF AU - Xu, W. AU - Fedotov, A.V. AU - Hayes, T. AU - Holmes, D. AU - McIntyre, G.T. AU - Mernick, K. AU - Seberg, S.K. AU - Severino, F. AU - Smith, K.S. AU - Than, R. AU - Wu, Q. AU - Xiao, B. P. AU - Xin, T. AU - Zaltsman, A. ED - Pei, Guoxi ED - Schaa, Volker RW ED - Chin, Yong Ho ED - Fu, Shinian ED - Zhao, Ning TI - Commissioning of the SRF Booster Cavity for LEReC J2 - Proc. of LINAC2018, Beijing, China, 16-21 September 2018 CY - Beijing, China T2 - Linear Accelerator Conference T3 - 29 LA - english AB - One important component for LEReC project is a 704 MHz booster cavity, which was modified from the BNL ERL 704 MHz SRF gun cavity. The major modifications include converting the upstream cathode transportation to a proper beam pipe, adding a HOM coaxial line HOM damper to the downstream, retracting FPC insertions, and improvement of cryomodule layout. In the past one and half year, tremendous work was completed: the cavity was modified and tested vertically, FPC were conditioned, and HOM damper were designed and conditioned, cryomodule was re-assembled. The booster cavity cryomodule was successfully commissioned in mid October, and it was moved to LEReC location at RHIC tunnel 2 O’clock early November. This paper will report the configuration of the new cryomodule and its commissioning results. PB - JACoW Publishing CP - Geneva, Switzerland SP - 40 EP - 43 KW - cavity KW - booster KW - SRF KW - gun KW - MMI DA - 2019/01 PY - 2019 SN - 2226-0366 SN - 978-3-95450-194-6 DO - DOI: 10.18429/JACoW-LINAC2018-MOPO004 UR - http://jacow.org/linac2018/papers/mopo004.pdf ER -