Table 7.

A subset of the OCFs covering the range of energies, field sizes, and applicators measured at 110 cm SSD. “N/A” depicts physically impossible setups, whereas dashes denote physically available combinations that were not measured.

OCF	6 MeV			12 MeV			20 MeV
Field Size (cm2)	Applicator (cm2)			Applicator (cm2)			Applicator (cm2)
	$6\times 6$	$15\times 15$	$25\times 25$	$6\times 6$	$15\times 15$	$25\times 25$	$6\times 6$	$15\times 15$	$25\times 25$
$2\times 2$	1.005	0.993	0.990	0.994	0.996	0.997	1.002	0.997	0.993
$4\times 4$	1.004	1.006	1.003	1.004	1.005	1.002	1.001	1.000	0.990
$6\times 6$	N/A	‐	1.001	N/A	‐	0.998	N/A	‐	0.992
$8\times 8$	N/A	1.006	1.004	N/A	1.005	1.002	N/A	1.002	0.995
$10\times 10$	N/A	‐	1.004	N/A	‐	1.002	N/A	‐	0.997
$12\times 12$	N/A	1.000	1.002	N/A	0.999	1.000	N/A	1.000	0.997
$15\times 15$	N/A	N/A	1.000	N/A	N/A	0.999	N/A	N/A	0.999
$20\times 20$	N/A	N/A	1.000	N/A	N/A	1.000	N/A	N/A	1.000