Component Ar A=39.95 Z=18. W=0.9 Component C A=12.01 Z=6. W=0.1*1*12.01/44.01 Component O A=16. Z=8. W=0.1*2*16./44.01 Mixture Ar_mix Dens=0.0018015 Isvol=1
The UPGR13 distribution has peak/RMS=1.4 much broader than estimation from Frank peak/RMS=3.4 , shown last week at LBL