t
100
Deviation from Cof? Reson ise , Percent
!
I
ab
Sor
|
23h
2st
50
7S
IicgL—.
0.6
0.8
Energy, Mev
0.4
Figure 2.56
Energy dependence of dose rate response, Top Hat plastic phosphor,
-
14-inch diameter by % inch long.
-90° Se
4
\
VAKNY
Percent of Max. Response
30°
{60
+4
~4Q°
-20°
80°
60°
4
-~60°
90°
IQo
Qo°
Displacement of Vertical Axis
Figure 2.6 Angular response of Top Hat radiation detector;
measured with 1-mg radium source.
22