Bonn 2010 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 80: Beschleunigerphysik III

T 80.7: Vortrag

Mittwoch, 17. März 2010, 15:30–15:45, HG ÜR 4

Emittance measurements at PITZ — •Grygorii Vashchenko¹, Galina Asova¹, Juergen Baehr¹, Klaus Floettmann², Hans Juergen Grabosch¹, Levon Hakobyan¹, Marc Haenel¹, Yevgeniy Ivanisenko¹, Martin Khojoyan¹, Guido Klemz³, Mikhail Krasilnikov¹, Sven Lederer², Mahmoud Mahgoub¹, Mikhail Nozdrin¹, Brendon O’Shea¹, Marek Otevrel¹, Bagrat Petrosyan¹, Dieter Richter¹, Sabine Riemann¹, Sakhorn Rimjaem¹, Juliane Roensch¹, Siegfried Schreiber², Andrey Shapovalov¹, Roman Spesyvtsev¹, Lazar Staykov¹, Frank Stephan¹, and Ingo Will³ — ¹DESY, 15738 Zeuthen, Germany — ²DESY, 22607 Hamburg, Germany — ³Max-Born-Institute, Berlin Germany

The Photo Injector Test facility at DESY, Zeuthen site, (PITZ) has an aim to develop and optimize high brightness electron sources for Free Electron Lasers like FLASH and the European XFEL. The new laser system allows to produce trains of laser pulses with flat-top temporal profiles of about 20 ps FWHM and rise/fall time of about 2 ps had been commissioned at PITZ in late autumn 2008. Photo electrons emitted from the Cs2Te cathode are accelerated by a 1.6-cell L band RF gun cavity operated at 60 MV/m maximum accelerating gradient at the cathode. For measuring of transverse projected emittance the so called single slit scan technique is used at PITZ. This procedure will be discussed. Recent results on measured emittance of electron beam will be presented.