Mathias, S. [P:(DE-HGF)0] ; Ruffing, A. [P:(DE-HGF)0] ; Deicke, F. [P:(DE-HGF)0] ; Wiesenmayer, M. [P:(DE-HGF)0] ; Sakar, I. [P:(DE-HGF)0] ; Bihlmayer, G. [P:(DE-Juel1)130545] ; Chulkov, E. V. [P:(DE-HGF)0] ; Koroteev, Yu. M. [P:(DE-HGF)0] ; Echenique, P. M. [P:(DE-HGF)0] ; Bauer, M. [P:(DE-HGF)0] ; Aeschlimann, M. [P:(DE-HGF)0]