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39
0
10
20
30
40
Inner collimator field size cm
0.95
1
1.05
1.1
riaFO ,
ssarb
dliub pu pac
Measurement variations for 19 of Varian Clinac 2100, 6 MV, 40xX cm2 fields
+1 sd+
Median
-1 sd-
Head scatter machine (man?) variability
Out r llimator field size X [cm]
.95
1
1.05
1.1
S
c
, r
li
r ent
i tions
i n li ac
,
,
X*40
2
i lds