1. National Research Nuclear University MEPhI, 31 Kashirskoe shosse, 115409 Moscow, Russian Federation
2. Institute of Plasma Physics and Laser Microfusion, Hery Street 23, 01-497 Warsaw, Poland
3. Institute of Plasma Physics of the Czech Academy of Sciences, Za Slovankou 1782/3, 182 00 Prague, Czech Republic
4. Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, 182 21 Prague, Czech Republic
5. P.N. Lebedev Physical Institute of RAS, 53 Leninskiy Prospekt, 119991 Moscow, Russian Federation
6. Joint Institute for High Temperatures RAS, 13-2 Izhorskaya st., Moscow 125412, Russian Federation