911 / 1228
TLD: intrinsic energy dependence
)0( )0(
) ( ) (
)0 , (
QMQ TLDD
QMQ TLDD QQ rel
bqk
•
is in the order of 0.90
±
0.05 to 0.935
±
0.03 for I-125 and Pd-103
rel
bq
k
•
This correction appears to be protocol and TLD make specific.
•
A correction might be needed for HE sources as well
(Joint AAPM-ESTRO report suggests
) but for Ir-192 Carlsson et al. (Med.
h ( )
)
b i h i
d
i i
rel
1
rel
bqk
P ys. 39 2 , 1133. 2012 suggests
ut w t
ncrease uncerta nt es
(3.5%, k=1).
95.0
bqk