354-355 / 2239
Energy dependence detectors
Max ratio ~115 at 40 keV
Z
Ag
=47
Max ratio ~8 at 30 keV
Z
Si
=14
Max ratio ~1.1 at 30 keV
How does this influence
measurements in high-
energy (MV)
beams
?
Min ratio ~0.33 at 15 keV
Z
eff
(Isooctane)≈5.4
Z
eff
(water)≈7.4
Z
eff
(Air)≈7.6