Erlangen 2018 – wissenschaftliches Programm
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P: Fachverband Plasmaphysik
P 14: Astrophysical Plasmas - Poster
P 14.3: Poster
Dienstag, 6. März 2018, 16:15–18:15, Redoutensaal
Beamtime U305 - High Energy Resolution Spectroscopy of the Target and Projectile X-Ray-Fluorescence — •Sero Zähter1, Olga Rosmej2, Ceyhun Arda1, Philipp Beloiu1, Björn Borm1,2, Mohamed El Houssaini1, Dimitri Khaghani2, Andreas Schönlein1, and Joachim Jacoby1 — 1Institut für Angewandte Physik, Goethe Universität Fankfurt, Deutschland — 2GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Deutschland
Intense uranium beams, that will be available at the new synchrotron SIS100 in Darmstadt, can be used for volumetric heating of any type of material and generation of extreme states of matter with Mbar pressures and some eV of temperature. Investigation of their EOS is one of the main goals of the plasma physics program at FAIR. Diagnostic of such extreme states of matter demands development of new diagnostic methods and instruments, which are capable to operate in an environment with a high level of radiation damage. The precise knowledge of the energy density distribution of the U-beam on the target is a very important input parameter for numerical simulations of the hydrodynamic response of the target on deposited energy which is required for planning of experiments and interpretation of obtained experimental data. Therefore we propose to use the target and heavy ion beam X-ray fluorescence for imaging of the target expansion and mapping of the heavy ion beam distribution in the interaction region with a high spatial resolution of at least 100 μm. First pilot experiments have been carried out in 2016 at the UNILAC Z6 experimental area in collaboration with the Plasma Physics Group of GSI.