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AKBP: Arbeitskreis Beschleunigerphysik
AKBP 8: New Accelerator Concepts
AKBP 8.1: Vortrag
Dienstag, 17. März 2020, 14:30–14:45, HSZ 301
Excitation of beam driven plasma waves in a hybrid LPWFA — •Susanne Schöbel1,2, Yen-Yu Chang1, Olena Kononenko3, Sébastien Corde3, Jurjen Couperus Cabadağ1, Alexander Debus1, Hao Ding4, Andreas Döpp4, Thomas Heinemann5, 6, Bernhard Hidding6, Max Gilljohann4, Stefan Karsch4, Alexander Köhler1, Alastair Nutter1, 6, Richard Pausch1, Omid Zarini1, Ulrich Schramm1,2, Alberto Martinez de la Ossa5, and Arie Irman1 — 1Helmholtz-Zentrum Dresden-Rossendorf, Germany — 2Technische Universität Dresden, Germany — 3LOA, ENSTA ParisTech, CNRS, Ecole Polytechnique, Université Paris-Saclay, France — 4Ludwig-Maximilians-Universität München, Germany — 5Deutsches Elektronen-Synchrotron DESY, Germany — 6University of Strathclyde, Glasgow, UK
Here we present imaging of plasma wakefields driven by both, high intensity laser pulses or high peak current electron beams. In particular, a scheme of high-current electron beams from a LWFA as drivers of a beam-driven plasma wakefield accelerator (PWFA) is being extensively studied, aiming to fulfill the demanding quality requirements for applications such as FELs. Observing plasma wakefields in this regime demonstrates the capability of the LWFA beam to create the plasma as well as drive plasma wakefields. Additionally we observed a correlation between the drive beam charge and the shape of the plasma wave. This enables us to find an optimum parameter set towards the experimental demonstration of the hybrid LPWFA.