TABLE A.l - Counting Correction Factors
A
Shelf
tion
bsorption
(F
Back
(Fa)
Scattering
Tube Window Thickness, mg/cm@
1.7
1.0e
169
Aperture |Aperture| Aperture
1
2
3
0.925
0.902
0.€79
0.256
0.923
0.900
0.877
00855
06922
0.2
0.876
06854
06922
0.298
0.875
0.852
0.920
0.£€97
0.274
0.852
1.14
121
1.12
1.10
0.00675
0.00420
0.00180
0.00102
02900
0.870
0-240
0.€98
0.267
0.838
0.897
0.865
0.837
0.895
0.864
0-835
0.894
0.864
0.834
1.10
1.02
1.02
0.00675
0.00420
0.200180
0.00685
1.18
1.16
134
1.10
0.00675
0.00420
0.00180
0.00102
0.00685
0.00397
UMPWHY
We WhD
1.6
(F,)
UPWA
15
Geometry (G)
0.842
0.796
0.753
0.713
0.00685
0.00397