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TY - CONF AU - Cullinan, F.J. AU - Andersson, Å. AU - Tavares, P.F. ED - Schaa, Volker RW TI - Longitudinal Stability with Landau Cavities at MAX IV J2 - Proc. of IPAC2020, Caen, France, 10-15 May 2020 CY - Caen, France T2 - International Particle Accelerator Conference T3 - 11 LA - english AB - The use of Landau cavities was foreseen for both the 1.5 GeV and 3 GeV storage rings at the MAX IV facility from conception. Along with increasing the Touschek lifetime and reducing the emittance degradation due to intrabeam scattering, their purpose is to stabilise the beam in the longitudinal plane. They now play a crucial role in the everyday operation of the two storage rings. This paper outlines the current status and the aspects of longitudinal beam stability that are affected, positively or negatively, by the presence of Landau cavities. Their effectiveness in the two storage rings is also compared. PB - JACoW Publishing CP - Geneva, Switzerland SP - 44 EP - 48 KW - cavity KW - storage-ring KW - damping KW - HOM KW - feedback DA - 2020/10 PY - 2020 SN - 2673-5490 SN - 978-3-95450-213-4 DO - doi:10.18429/JACoW-IPAC2020-WEVIR05 UR - http://jacow.org/ipac2020/papers/wevir05.pdf ER -