- Conference date: 10–15 June 2012
- Location: Austin, Texas, USA
Increasing the transformer ratio of wakefield accelerating systems improves the viability of present novel accelerating schemes. The use of asymmetric bunches to improve the transformer ratio of beam based plasma systems has been proposed for some time[1, 2] but suffered from lack appropriate beam creation systems. Recently these impediments have been overcome [3, 4] and the ability now exists to create bunches with current profiles shaped to overcome the symmetric beam limit of R ≤ 2. We present here work towards experiments designed to measure the transformer ratio of such beams, including theoretical models and simulations using VORPAL (a 3D capable PIC code) . Specifically we discuss projects to be carried out in the quasi-nonlinear regime  at the UCLA Neptune Laboratory and the Accelerator Test Facility at Brookhaven National Lab.
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