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A: Fachverband Atomphysik

A 34: Poster II

A 34.28: Poster

Thursday, March 5, 2009, 16:30–19:00, VMP 9 Poster

The SPARC EBIT; Installation and Commissioning of a Test Ion Source for the HITRAP Project — •Brian O’Rourke¹, Sabrina Geyer¹, Alexandra Slize², Alexey Solokov¹, Gleb Vorobjev¹, Danyal Winters¹, Oliver Kester¹, and Thomas Stöhlker¹ — ¹Gesellschaft für Schwerionenforschung (GSI), Planckstrasse 1, D-64291 Darmstadt, Germany — ²Institut für Ionenstrahlphysik und Materialforschung, Forschungszentrum Rossendorf, Postfach 51 01 19, D-01314 Dresden, Germany

In order to provide an off-line ion source for experiments at the HITRAP project a small permanent magnet electron beam ion trap (EBIT) has been installed at GSI. HITRAP is a new facility currently under construction at GSI which will decelerate highly charged ions (HCI) down to keV energies for use in a range of experiments. Results from initial commissioning tests of the EBIT will be presented in this contribution. Measurements of the x-ray spectra of radiation emitted from the EBIT trap region and the charge balance of the extracted ion cloud via magnetic and time of flight spectroscopy showed the presence of HCI in charge states up to Ar¹⁸⁺, Kr²²⁺ and Xe³¹⁺. The EBIT has now been installed at the HITRAP experimental platform and we also briefly outline some of the future plans for the source at this platform. Some applications of the EBIT as a test-bed for instrumentation under development for the SPARC collaboration, part of the new FAIR facility to be built at GSI, will also be presented.