Functional;;HSF "М1 model";"M1 and M2 models";"M1 and M3 models";"M1 and M4 models" Keff;1.1167;–0.39%;+1.45%;"+ 0.45%" (1.1123);(1.1329);(1.1217) "Average energy of “fission-inducing” neutrons";807;–0.87%;+7.93%;+0.37% (800);(871);(810) "Sodium void reactivity effect";–0.00783;–65%;+1.15%;+1.53% (–0.00274);(–0.00792);(–0.00795) "α 239Pu";0.295;0%;–8.14%;–0.34% (0.295);(0.271);(0.294)