[1] Russian Acad Sci, Siberian Branch, Budker Inst Nucl Phys, Novosibirsk 630090, Russia
[2] Novosibirsk State Univ, Phys Dept, Novosibirsk 630090, Russia
[3] Inst Project Ctr ITER, Moscow 123182, Russia
[4] Novosibirsk State Tech Univ, Phys & Tech Dept, Novosibirsk 630092, Russia
[5] St Petersburg State Polytech Univ, Dept Mech & Control Proc, St Petersburg 195251, Russia