#name   Format   YBAir; 78 % N, 21 % O  1 % Ar: YangBajing Air density adjusted
YBAir 	2
#   treated as 0.78N2+ 0.21O2+ Ar 
#  Elem	 rho(g/cm^3)	Gas/Solid(1/0) refl.index               Birks corr.
#  Air*0.659                        (for gas, (n-1)*10^6)

3         0.79455e-3		  1    293                       0  0  0
# 	Z	A  	N
	7	14	1.56
	8	16	.42
	18	40	.01
#  ⟨Z/A⟩   I[eV]   a       k      x0    x1     Cbar  delta0
 0.49919  85.7 0.1091  3.3994  1.7418  4.2759    10.5961 0.00
