1. Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawinskiego 5b, 02-106 Warsaw, Poland.
2. Head of Laboratory of Experimental Physics and Nuclear Safety of Reactor Facilities, The Joint Institute for Power and Nuclear Research - Sosny of the National Academy of Sciences of Belarus, Minsk 220109, Belarus.
3. The Joint Institute for Power and Nuclear Research - Sosny of the National Academy of Sciences of Belarus, Minsk 220109, Belarus.