3L.D. Landau Institute for Theoretical Physics, 142432 Chernogolovka, Russia
4University of Ferrara and Istituto Nazionale di Fisica Nucleare, 44100 Ferrara, Italy
5Marian Smoluchowski Institute of Physics, Jagiellonian University, 30348 Cracow, Poland
6Institute for Nuclear Research, Russian Academy of Sciences, 117312 Moscow, Russia
7GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstraße 1, 64291 Darmstadt, Germany
8Institut für Hochfrequenztechnik, RWTH Aachen University, 52056 Aachen, Germany
9Department of Electrical and Computer Engineering, Agricultural University of Georgia, 0159 Tbilisi, Georgia
10High Energy Physics Institute, Tbilisi State University, 0186 Tbilisi, Georgia
11Bogoliubov Laboratory of Theoretical Physics, International Intergovernmental Organization Joint Institute for Nuclear Research, 141980 Dubna, Russia