240 / 1245
IAEA/AAPM formalism for reference dosimetry
Small static MV fields: reference dose determination
ref
msr
msr
o
o
msr
msr
msr
msr
,
Q,
Q QQ,
Qw,
D,
Q
Qw,
f
f
f
f
k k
N
M D
msr
Q
beam quality of machine
specific reference field
msr
f
machine specific
reference field
Alfonso el al (2008), Med Phys 35 (11)
Ref: 10cm ×10cm
where field output factors are defined as:
Clin: any clinical field
msr
msr
clin
clin
,
,
Qw,
Qw,
f
f
f
f
Q
D
D
msr
clin
Qmsr
clin