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TY - CPAPER AU - Sulimov, A.A. AU - Ermakov, A. AU - Gresele, A. AU - Thie, J.H. TI - Practical Aspects of HOM Suppression Improvement for TM011 J2 - Proc. of International Conference on RF Superconductivity (SRF2015), Whistler, BC, Canada, Sept. 13-18, 2015 AB - Some Higher Order Modes (HOM) pass bands were controlled during cryo-tests at DESY for the European XFEL cavities. The second monopole mode (TM011) showed most instabilities and suppression degradation. The authors will explain this phenomenon on the example of cavity CAV00553 and present the practical method of TM011 damping improvement. PB - JACoW CY - Geneva, Switzerland SP - 1277 EP - 1278 KW - HOM KW - damping KW - cavity KW - simulation KW - dipole DA - 2015/12 PY - 2015 SN - 978-3-95450-178-6 DO - 10.18429/JACoW-SRF2015-THPB068 UR - http://srf2015.vrws.de/papers/thpb068.pdf ER -