#name   Format    tangsten
W 	2
#
#  Elem	 rho(g/cm^3)	Gas/Solid(1/0)  refl.index Birks c

1         19.3	        0                0         0 0 0
# 	Z	A  	N
	74	183.92	1

#  ⟨Z/A⟩   I[eV]   a       k      x0    x1     Cbar  delta0
 0.40235   727.0  0.1551  2.8447  0.2167  3.4960 5.4059 0.14
