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TY - CONF AU - Frey, M. AU - Domont-Yankulova, D. AU - Groß, K. AU - Harzheim, J. AU - Hülsmann, P. AU - Klingbeil, H. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Prototype Results of the ESR Barrier-Bucket System J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - The experimental storage ring (ESR), operated at the GSI facility in Darmstadt, Germany, allows experiments with a variety of ion species. In combination with the existing electron cooler, its RF cavities have been used to demonstrate longitudinal beam accumulation in order to increase the beam intensity. Limitations of the existing narrow-band cavities led to the development of a magnetic alloy (MA) based broad-band cavity for the generation of Barrier-Bucket signals. The application of a pre-distortion method demands high linearity of the driver amplifier and highlights the importance of its selection process. In this contribution, the cavity and amplifier system design is described and data measured at a prototype system are presented. PB - JACoW CP - Geneva, Switzerland SP - 4133 EP - 4135 KW - cavity KW - impedance KW - accumulation KW - coupling KW - injection DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-THPIK015 UR - http://jacow.org/ipac2017/papers/thpik015.pdf ER -