S.D. Velikanov - Dr. Sc. (Phys.-Math.), Professor, RFNC-VNIIEF, ILFI (Sarov). E-mail: velikanov@otd13.vniief.ru E.A. Gazizova - Employee, RFNC-VNIIEF, ILFI (Sarov). E-mail: lambinobel@mail.ru N.A. Zaretsky - Employee, RFNC-VNIIEF, ILFI (Sarov). E-mail: zaretsky@otd13.vniief.ru R.V. Porubov - Employee, RFNC-VNIIEF, ILFI (Sarov). E-mail: rom-porubov@yandex.ru O.O. Fedorkin - Employee, RFNC-VNIIEF, ILFI (Sarov). E-mail: fedorkin-oleg@yandex.ru V.V. Schurov - Ph. D. (Phys.-Math.), RFNC-VNIIEF, ILFI (Sarov). E-mail: v_shcyrov@rambler.ru