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Dresden 2017 – scientific programme

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 2: New Accelerator Concepts II

AKBP 2.8: Talk

Tuesday, March 21, 2017, 11:30–11:45, MOL 213

Next generation plasma cell for PWFA experiments at PITZ — •Osip Lishilin1, Reinhard Brinkmann2, Johannes Engel1, Florian Gruener3,4, Matthias Gross1, Gerald Koss1, Gregor Loisch1, Sebastian Phillip1, Dieter Richter5, Carl Schroeder6, Rico Schuetze1, and Frank Stephan11DESY, Zeuthen, Germany — 2DESY, Hamburg, Germany — 3Universität Hamburg, Hamburg, Germany — 4CFEL, Hamburg, Germany — 5HZB, Berlin, Germany — 6LBNL, Berkeley, USA

The PWFA experiment at the Photo Injector Test facility at DESY, Zeuthen site (PITZ) was launched to experimentally demonstrate and study a promising phenomenon for future plasma-based accelerators and one of the major aspects of the upcoming AWAKE experiment - the self-modulation of long particle beams in plasma. Key points for the experiment are the plasma cell of novel design, the flexible photocathode laser system and well-developed diagnostics at PITZ. The plasma cell is a cross-shaped lithium heat pipe oven with inert gas buffer zones at input/output ports. An ArF ionization laser is coupled through side ports for the plasma generation. The next generation of plasma cell includes such improvements as an altered chamber geometry and a new heat pipe design. The ionization laser transport is improved in comparison to the previous setup. This contribution presents an overview of the current experimental setup, measurements of plasma density and homogeneity as well as highlights of the first experimental results.

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