V.V. Borisov - Research Scientist, Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University Е-mail: borvv1947@mail.ru N.I. Sushentsov - Ph.D. (Eng.), Associate Professor, Leading Research Scientist, Volga State University of Technology (Yoshkar-Ola) S.A. Stepanov - Research Scientist, Volga State University of Technology (Yoshkar-Ola)

А.S. Rudenkov¹, М.А. Yarmolenko², А.А. Rogachev³, P.A. Luchnikov4

1,2 Gomel State University n.a. F. Skorina (Republic of Belarus),

1. Belarusian State University of Transport (Gomel, Republic of Belarus),
2. MIREA ‒ Russian Technological University (Moscow, Russia)

1 arudenkov05@gmail.com, 2 simmak79@mail.ru, 3 rogachev78@mail.ru, 4 xamdex@gmail.com