[1] Joint Inst Nucl Res, Lab Nucl Problems, Dubna 141980, Russia
[2] Moscow MV Lomonosov State Univ, Dept Phys, Moscow 119991, Russia
[3] Dubna State Univ, Dubna 141980, Russia
[4] Forschungszentrum Julich GmbH, Inst Adv Simulat, D-52428 Julich, Germany
[5] Forschungszentrum Julich GmbH, Inst Kernphys, D-52428 Julich, Germany