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TY - CONF AU - Ma, Y. AU - Fong, K. AU - Keir, J.J. AU - Kishi, D. AU - Koscielniak, S.R. AU - Lang, D. AU - Laxdal, R.E. AU - Sekhon, R.S. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - Microphonics Suppression in ARIEL ACM1 Cryomodule J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - Now the stage of the 30MeV portion of ARIEL (The Advanced Rare Isotope Laboratory) e-Linac is under commissioning which includes an injector cryomodule (ICM) and the 1st accelerator cryomodule (ACM1) with two cavities configuration. The two ACM1 cavities are driven by a single klystron with vector-sum control and running in CW mode. During the commissioning, the ACM1 cavities gradient and stability was limited by ponderomotive effect. Acoustic noise from the environment vibration generated by cooling water system, cryogenic system and vacuum system have been identified to certain external source and some damping has been installed. In this paper, the progress of the microphonics suppression of ACM1 is presented. PB - JACoW Publishing CP - Geneva, Switzerland SP - 65 EP - 68 KW - cavity KW - GUI KW - cryomodule KW - linac KW - pick-up DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-MOPGW004 UR - http://jacow.org/ipac2019/papers/mopgw004.pdf ER -