Darmstadt 2016 – wissenschaftliches Programm

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 11: Poster

AKBP 11.27: Poster

Mittwoch, 16. März 2016, 18:30–20:30, S1/05 22-24

Experimental Investigations of Beam Induced Fluorescence Profile Monitor for FAIR — •Serban Udrea1, Peter Forck1,2, Dieter H. H. Hoffmann3, Oliver Kester1,2, Yulia Shutko2,3, Thomas Sieber2, and Beata Walasek-Höhne21Goethe Universität Frankfurt am Main — 2GSI Helmholtzzentrum für Schwerionenforschung — 3Technische Universität Darmstadt

Minimal invasive beam diagnostics techniques are highly relevant for the future FAIR accelerator facilities to be built at the GSI Helmholtzzentrum für Schwerionenforschung GmbH. Beam induced fluorescence (BIF) is one physical effect which can be exploited for the determination of the transverse beam profile. BIF based monitors are already in operation at GSI’s linear accelerator UNILAC since some years. Further investigations and development necessary for BIF based monitors of high energy beams, like those to be delivered by FAIR’s SIS-100 synchrotron, have been performed at GSI. These include beam profile and spectroscopic investigations with Nitrogen and Argon at pressures from 10−3 to 2 mbar with heavy ion beams having energies from 100 to 900 MeV/u. Moreover, since along the high energy beam transport line high radiation levels are expected, an optical relay has been designed and a prototype is under construction with the goal of improving the signal to noise ratio of the BIF monitor.

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