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Practical significance of f(Q), k
bq
(Q)
Using a detector at the same quality as calibration (Q
0
) is straightforward:
) (
)
(
) (
) (
Q N f t
QM QD
f
rel
or k
rel
>1 => detector under-responds …!
Using a detector at a quality Q different than calibration (Q
0
):
0 ,
.
0
0
wAD
i
i
ac or
corr
w
f
rel
or k
rel
<1 => detector over-responds …!
)0( ,
) ( ,
)0( ,
)
.
(
)0(
) (
QwADN
QwADN
QwADN
i
i
factor
corr
QMQwD
)
(
)
(
) (
)
(
) (
)0(
) (
)0(
) ( )0( ,
)
.
(
)0(
QQ rel kQQ rel f Q N f t
QM
Qbqk
Qbqk
Qf
Qf
QwADN
i
i
factor
corr
QM
cannot be generally assumed energy independent
0 ,
0 ,
0 ,
.
0
bq
wAD
i
i
ac or
corr
rel
bqk rel f
,
must be calculated
must be measured
rel f
rel
bqk
or taken from the literature for
matching
exp. conditions (Q, Q
0
, detector make,
size, set up, …)