1. Physics Department, University of Zilina, Univerzitna 1, 01001 Zilina, Zilina, Slovakia
2. Veksler and Baldin Laboratory of High Energies, Joint Institute for Nuclear Research, Joliot-Curie 6, 141980 Dubna, Dubna, Moscow region, Russia
3. Institute of Physics, University of P. J. Shafarik, Park Angelinum 9, 04001 Kosice, Kosice, Slovakia
4. Advanced Research Institute for Electrical Engineering, Splaiul Unirii 313, Bucharest, Bucharest, Romania
5. Belgorod State University, Pobedy 85, 308015 Belgorod Belgorod, Belgorod region, Russia