A.V. Ianushevich, V.D. Sevastianov FSUE “VNIIFTRI”, Mendeleevo, Moscow regionsevast@vniiftri.ru Al’manac of Modern Metrology № 1 (21) 2020, pages 148–162 The possibility of application of the open fission source of 252Cf to accurately determine the flux of radionuclide neutron sources is considered.A method for measuring the flux consists in determining its fission-fragment activity and multiplying it … Читать далее On the possibility of using the v̅SF fission constant for determining flow of open radionuclide sources of 252Cf neutrons