



(Steamcooled) Breeder Reactor & Tight Lattice LWR to Accelerator Driven Nuclear Waste Incinerator & Multi physics applications 

IBM7070 IBM360 . . . IBMAIX to LINUX PC 
Library  "Steuerfile"  Comments 

KFKINR  F26  First complete 26 group constant set, based on ABBN basic principles 
KFKINR2  F26TN  First complete 26 group constant set, based on FZK developments 
G69P1V03  F69V2STR  Final version of 69 group constant set developed for TLLWR work 
G69P5JEFF31FBR2  FENDFJEF  Actual 69 group constant set based on JEFF3.1 data for FBR research,
extended "Steuerfile" for transient analysis 
G69P5JEFF31LWR  FENDFJEF  Actual 69 group constant set based on JEFF3.1 data for LWR research,
extended "Steuerfile" for transient analysis 
G69P5E70BFBR  FENDFJEF  Actual 69 group constant set based on ENDF/B7 data for FBR research,
extended "Steuerfile" for transient analysis 
G69P5E70BLWR  FENDFJEF  Actual 69 group constant set based on ENDF/B7 data for LWR research,
extended "Steuerfile" for transient analysis 
G85P5E70BFBR  FENDFJEF  Actual 85 group constant set based on ENDF/B7 data for FBR research,
extended "Steuerfile" for transient analysis, 16 additional groups up till 20MeV above 69 WIMS group structure 
G85P5E70BLWR  FENDFJEF  Actual 85 group constant set based on ENDF/B7 data for LWR research,
extended "Steuerfile" for transient analysis, 16 additional groups up till 20MeV above 69 WIMS group structure 
G350P5JEFF311E  FENDFJEF  Actual 350 group constant set based on JEFF3.11 data,
extended "Steuerfile" for transient analysis, 350 groups up to 20MeV 
G350P5E70  FENDFJEF  Actual 350 group constant set based on ENDF/B7 data,
extended "Steuerfile" for transient analysis, 350 groups up to 20MeV 