1. Nuclear Safety Institute RAS, Novosibirsk Branch, Lavrentieva st., 6, Novosibirsk, 630090
2. Budker Institute of Nuclear Physics SB RAS, Lavrentieva st., 11, Novosibirsk, 630090
3. Novosibirsk State University, Pirogova st., 2, Novosibirsk, 630090