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TY - CONF AU - Koukovini-Platia, E. AU - Bartolini, R. AU - Morgan, A.F.D. AU - Rehm, G. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Study of Single Bunch Instabilities with Transverse Feedback at Diamond J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - Single bunch instability studies have been carried out at Diamond with and without the transverse multi-bunch feedback (TMBF) system. Single bunch instability thresholds were measured for zero, positive and negative chromaticity values by increasing the current till the instability onset. The bunch-by-bunch feedback system was then used to suppress the motion of the bunch centroid and the new thresholds were measured in all chromaticity regimes. The feedback loop phase of the TMBF was changed from resistive to reactive as well as intermediate to find the optimal feedback settings that maximize the single bunch instability thresholds. PB - JACoW CP - Geneva, Switzerland SP - 4489 EP - 4492 KW - feedback KW - operation KW - storage-ring KW - coupling KW - controls DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-THPVA029 UR - http://jacow.org/ipac2017/papers/thpva029.pdf ER -