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TY - UNPB AU - Furuta, F. AU - Dobbins, J. AU - Eichhorn, R.G. AU - Ge, M. AU - Gonnella, D. AU - Hoffstaetter, G.H. AU - Liepe, M. AU - O'Connell, T.I. AU - Quigley, P. AU - Sabol, D.M. AU - Sears, J. AU - Smith, E.N. AU - Veshcherevich, V. ED - Ramberger, Suitbert ED - Draper, Mick ED - Schaa, Volker RW TI - Cornell ERL CM Performance J2 - Proc. of ERL2017, Geneva, Switzerland, June 18-23, 2017 C1 - Geneva, Switzerland T2 - ICFA Advanced Beam Dynamics Workshop T3 - 59 LA - english AB - The main linac prototype cryomodule (MLC) is a key component for the Cornell-BNL ERL Test Accelerator (CBETA) project, which is a 4-turn FFAG ERL under construction at Cornell University. This novel cryomodule is the first SRF module ever to be fully optimized simultaneously for high efficient SRF cavity operation and for supporting very high CW beam currents. After the success of the initial MLC testing, the MLC had been moved into the final location for the first MLC beam test. Cornell ERL high voltage DC gun and Injector Cryomodule were connected to MLC via the entry beam line; the beam stop assembly was also installed as the exit line. In this paper, we summarize the performance of this novel ERL cryomodule including the results of the first beam test and the additional tests focused on RF field stability and cavity microphonics. PB - JACoW Publishing CP - Geneva, Switzerland ER -