ESTRO course Dose Modelling and Verification 2017

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Reference dose with air-filled ionisation chambers
o o
ref ref
QQ, Qw,D, Q Qw, k N M D f f   
0
0
0
0
0
oQQ,
Q
Q
water
air
Q
Q
water
air
Q
Q
water
air Q
air
Q
Q
water
air Q
air
p
S
p
S
p
S
e
W
p
S
e
W
k










































































IAEA, TRS-398 (2000)
Eklund & Ahnesjo, PMB, 53 (2008) 4231-4247
Determination of dose in small fields