No. Z A State Format Library 0001 18 Ar 0 ground ENDF-6 JENDL-4.0 Electro-atomic Data 0002 18 Ar 0 ground ENDF-6 JENDL-4.0 Photo-atomic Data 0003 18 Ar 0 ground ENDF-6 JENDL-5 (atomic relaxation data) 0004 18 Ar 0 ground ENDF-6 JENDL-5 (electro-atomic data) 0005 18 Ar 0 ground ENDF-6 JENDL-5 (photo-atomic data)