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Sensitivity calibration & energy response:
,
Our calibration coeff. (inverse of dosimeter A.D. sensitivity)
actuall comprises 2 parts
y
:
) (
) (
) (
) ( det
) ( det
) (
) (
) (
) ( ,
QbqkQf
QM
Q D
Q D
QwD
QM
QwD
QwADN
•
we define the
absorbed dose energy dependence
of the detector as the ratio
of dose to water per unit dose to the detector at a given beam quality,
) (
) (
) (
det
Q D
QD Qf
w
•
We define the
intrinsic energy dependence
of the detector as the ratio of dose
required to be absorbed to produce a unit signal
) (
) (
) (
det
QM
Q D Q k
bq