Bytchkov, A. [P:(DE-HGF)0] ; Fateev, A. A [P:(DE-HGF)0] ; Feldhaus, J. [P:(DE-H253)PIP1002606] ; Hahn, U. [P:(DE-H253)PIP1002507] ; Hesse, M. [P:(DE-H253)PIP1002439] ; Jastrow, U. [P:(DE-H253)PIP1002367] ; Kocharyan, V. [P:(DE-H253)PIP1002248] ; Lebedev, N. I [P:(DE-HGF)0] ; Matyushevskiy, E. A [P:(DE-HGF)0] ; Saldin, E. L [P:(DE-HGF)0] ; Schneidmiller, E. A [P:(DE-HGF)0] ; Shabunov, A. V [P:(DE-HGF)0] ; Sytchev, K. P [P:(DE-HGF)0] ; Tiedtke, K. [P:(DE-H253)PIP1001376] ; Treusch, R. [P:(DE-H253)PIP1001400] ; Yurkov, M. V [P:(DE-HGF)0]