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TY - CONF AU - Romanov, G.V. AU - Khabiboulline, T.N. AU - Lunin, A. ED - Schaa, Volker RW ED - Power, Maria ED - Shiltsev, Vladimir ED - White, Marion TI - Multipacting in HOM Coupler of LCLS-II 1.3 GHz SC Cavity J2 - Proc. of NAPAC2016, Chicago, IL, USA, October 9-14, 2016 C1 - Chicago, IL, USA T2 - North American Particle Accelerator Conference T3 - 3 LA - english AB - During high power tests of the 1.3 GHz LCLS-2 cavity on the test stand at Fermilab an anomalous rise of temperature of the pickup antenna in the higher order mode (HOM) coupler was detected in accelerating gradient range of 5-10 MV/m. It was suggested that the multipacting in the HOM coupler may be a cause of this temperature rise. In this work the suggestion was studied, and the conditions and the location, where multipacting can develop, were found. PB - JACoW CP - Geneva, Switzerland SP - 1146 EP - 1148 KW - ion KW - HOM KW - multipactoring KW - cavity KW - electron DA - 2017/01 PY - 2017 SN - 978-3-95450-180-9 DO - 10.18429/JACoW-NAPAC2016-THPOA21 UR - https://jacow.org/napac2016/papers/thpoa21.pdf ER -