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TY - CONF AU - Dziuba, F.D. AU - Aulenbacher, K. AU - Barth, W.A. AU - Basten, M. AU - Burandt, C. AU - Busch, M. AU - Conrad, T. AU - Gettmann, V. AU - Heilmann, M. AU - Kürzeder, T. AU - Lauber, S. AU - List, J. AU - Miski-Oglu, M. AU - Podlech, H. AU - Salvatore, J. AU - Schnase, A. AU - Schwarz, M. AU - Yaramyshev, S. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - Further RF Measurements on the Superconducting 217 MHz CH Demonstrator Cavity for a CW Linac at GSI J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - Recently, the first section of the superconducting (sc) continuous wave (cw) Linac has been extensively tested with heavy ion beam from the GSI High Charge State Injector (HLI). During this testing phase, the reliable operability of 217 MHz multi gap crossbar-H-mode (CH) cavities has been successfully demonstrated. The sc 217 MHz CH cavity (CH⁰) of the demonstrator setup accelerated heavy ions up to the design beam energy and even beyond at high beam intensities and full transmission. This worldwide first beam test with a sc CH cavity is a major milestone on the way realizing the entire sc cw Linac project. In this contribution further RF measurements on the cavity are presented providing full characterization of the RF structure. PB - JACoW Publishing CP - Geneva, Switzerland SP - 2826 EP - 2829 KW - cavity KW - linac KW - heavy-ion KW - MMI KW - operation DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-WEPRB014 UR - http://jacow.org/ipac2019/papers/weprb014.pdf ER -