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TY - CONF AU - Carver, L.R. AU - Amorim, D. AU - Biancacci, N. AU - Buffat, X. AU - Li, K.S.B. AU - Métral, E. AU - Salvant, B. AU - Schenk, M. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Destabilising Effect of Linear Coupling in the LHC J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - During operation in 2015 and 2016, some transverse instabilities were observed when either the coupling (or closest tune approach) C- was large, or when the tunes were moved closer together. This motivated a campaign of simulations on the effect of linear coupling on the transverse stability. Measurements made during operation and with dedicated beam time have been found to confirm the predictions. This paper will detail the results of the linear coupling studies and relate them to operation of the LHC in the future. PB - JACoW CP - Geneva, Switzerland SP - 3791 EP - 3794 KW - coupling KW - simulation KW - damping KW - octupole KW - operation DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-THPAB040 UR - http://jacow.org/ipac2017/papers/thpab040.pdf ER -