Constantin, P. [P:(DE-HGF)0] ; Balabanski, D. L. [P:(DE-HGF)0] ; State, A. [P:(DE-HGF)0] ; Rotaru, A. [P:(DE-HGF)0] ; Nichita, D. [P:(DE-HGF)0] ; Spataru, A. [P:(DE-HGF)0] ; Dickel, T. [P:(DE-Ds200)OR2034] ; Plaß, Wolfgang [P:(DE-Ds200)OR0954] ; Scheidenberger, C. [P:(DE-Ds200)OR1098]