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TY - CONF AU - Loisch, G. AU - Asova, G. AU - Boonpornprasert, P. AU - Brinkmann, R. AU - Good, J.D. AU - Groß, M. AU - Grüner, F.J. AU - Huck, H. AU - Krasilnikov, M. AU - Lishilin, O. AU - Martinez de la Ossa, A. AU - Mehrling, T.J. AU - Oppelt, A. AU - Osterhoff, J. AU - Renier, Y. AU - Rublack, T. AU - Stephan, F. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Experimental Investigation of High Transformer Ratio Plasma Wakefield Acceleration at PITZ J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - Plasma wakefield acceleration (PWFA), the acceleration of particles in a plasma wakefield driven by high current-density particle bunches, is one of the most promising candidates for a future compact accelerator technology. A key aspect of this type of acceleration is the ratio between the accelerating fields experienced by a witness beam and the decelerating fields experienced by the drive beam, called the transformer ratio. As for longitudinally symmetrical bunches this ratio is limited by the fundamental theorem of beamloading to 2 in the linear regime*, a transformer ratio above this limit is considered high. This can be reached by using a modulated drive bunch or a shaped train of drive bunches. So far, only the latter case has been shown for wakefields in a RF-structure**. We show the experimental setup, simulations and first, preliminary results of high transformer ratio acceleration experiments at the Photoinjector Test Facility at DESY in Zeuthen (PITZ). PB - JACoW CP - Geneva, Switzerland SP - 1718 EP - 1720 KW - plasma KW - wakefield KW - acceleration KW - experiment KW - simulation DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-TUPIK018 UR - http://jacow.org/ipac2017/papers/tupik018.pdf ER -