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Dose variation (in percentage) for a pair of parallel‐opposed compensated beams incident on phantom A.
| Co60 | 6 MV | 18 MV | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Medium | RS | CS | LS | RS | CS | LS | RS | CS | LS |
| Homo. | 2.3 | 2.5 | 2.3 | 1.4 | 2.5 | 1.4 | 5.0 | 0.7 | 5.0 |
| Bone | 4.0 | 3.0 | 4.0 | 3.1 | 2.2 | 4.0 | 3.7 | 1.4 | 4.0 |
| Cork | 2.0 | 2.1 | 2.0 | 4.2 | 4.0 | 3.5 | 5.0 | 2.7 | 5.0 |
| Air | 2.0 | 2.8 | 2.0 | 2.0 | 2.5 | 4.0 | 4.3 | 3.5 | 5.0 |
