Reference condition described in dosimetry CoP
Detector: air (ionisation chamber)
Med: Water
For reference irradiation conditions:
Fixed field size
Fixed depth
Fixed SSD
Calibrated in terms of water absorbed dose in
60
Co-radiation in units of Gray per Coulomb
D
w,Q
= M* · k
i
·N
D,w
N
D,w
= α ·k
l
·f
Q,ideal
·P
Q