1. Novosibirsk State University, 2, Pirogova St., Novosibirsk 630090, Russia
2. Budker Institute of Nuclear Physics SB RAS, 11, Lavrentiev Ave., Novosibirsk 630090, Russia
3. Institute of Semiconductor Physics SB RAS, Novosibirsk Branch “TDIAM”, 2/1, Lavrentiev Ave., Novosibirsk 630090, Russia