Table VIII.
Calculated and measured EDWF for field geometry D, 6 MV photons.
|
|
Center of field (–10 cm) | –15cm | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EDW angle | Calc. | Meas. | % diff. | Calc. | Meas. | % diff. | Calc. | Meas. | % diff. | |||
| 10 | 0.967 | 0.965 |
|
0.942 | 0.945 | 0.32 | 0.927 | 0.927 | 0.00 | |||
| 15 | 0.949 | 0.947 |
|
0.913 | 0.913 | 0.00 | 0.889 | 0.888 |
|
|||
| 20 | 0.931 | 0.929 |
|
0.881 | 0.880 |
|
0.849 | 0.846 |
|
|||
| 25 | 0.912 | 0.907 |
|
0.848 | 0.846 |
|
0.806 | 0.804 |
|
|||
| 30 | 0.890 | 0.881 |
|
0.811 | 0.805 |
|
0.759 | 0.755 |
|
|||
| 45 | 0.808 | 0.795 |
|
0.669 | 0.662 |
|
0.577 | 0.573 |
|
|||
| 60 | 0.660 | 0.641 |
|
0.414 | 0.402 |
|
0.253 | 0.248 |
|
|||