[1] Fakultät für Physik,
[2] Universität Bielefeld,undefined
[3] 33501 Bielefeld,undefined
[4] Germany,undefined
[5] Gesellschaft für Schwerionenforschung,undefined
[6] 64220 Darmstadt,undefined
[7] Germany,undefined
[8] Institute of Theoretical Physics,undefined
[9] University of Wrocław,undefined
[10] 50204 Wrocław,undefined
[11] Poland,undefined
[12] Bogolyubov Institute of Theoretical Physics,undefined
[13] Academy of Sciences,undefined
[14] 252143 Kiev,undefined
[15] Ukraine,undefined