1. Frank
Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Joliot-Curie Street 6, 141980 Dubna, Russian Federation
2. Faculty
of Physics, Adam Mickiewicz University, Umultowska Street 85, 61-614 Poznań, Poland
3. Peoples’ Friendship University of Russia, Miklukho-Maklaya Street 6, 117198 Moscow, Russian Federation
4. Institute of General and Inorganic Chemistry, RAS, Leninsky Prospekt 31, 119991 Moscow, Russian Federation