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TY - CONF AU - Shashkov, Ya.V. AU - Sobenin, N.P. AU - Zobov, M. ED - Petit-Jean-Genaz, Christine ED - Arduini, Gianluigi ED - Michel, Peter ED - Schaa, Volker RW TI - Comparison of High Order Modes Damping Techniques for 800 MHz Single Cell Superconducting Cavities J2 - Proc. of IPAC2014, Dresden, Germany, June 15-20, 2014 C1 - Dresden, Germany T2 - International Particle Accelerator Conference T3 - 5 LA - english AB - Currently, applications of 800 MHz harmonic cavities in both bunch lengthening and shortening regimes are under consideration and discussion in the framework of the High Luminosity LHC project. In this paper we study electromagnetic characteristics of high order modes (HOM) for a single cell 800 MHz superconducting cavity and arrays of such cavities connected by drifts tubes. Different techniques for the HOM damping such as beam pipe grooves, coaxial-notch loads, fluted beam pipes etc. are investigated and compared. The influence of the sizes and geometry of the drift tubes on the HOM damping is analyzed. PB - JACoW CP - Geneva, Switzerland SP - 2558 EP - 2561 KW - HOM KW - cavity KW - damping KW - luminosity KW - dipole DA - 2014/07 PY - 2014 SN - 978-3-95450-132-8 DO - 10.18429/JACoW-IPAC2014-WEPRI037 UR - http://jacow.org/ipac2014/papers/wepri037.pdf ER -