Field size | Relative error at 6MV | Relative error at 15MV |
cm × cm | ((cc13 - cc01)/cc13) × 100 | ((cc13 - cc01)/cc13) × 100 |
1 | −22.891 | −7.473 |
2 | −5.041 | −4.417 |
3 | 0.911 | −2.462 |
4 | 1.248 | −2.516 |
5 | 0.955 | −1.753 |
6 | 0.836 | −0.555 |
7 | 0.764 | −0.323 |
8 | 0.486 | 0.000 |
9 | 0.277 | −0.014 |
10 | 0.005 | 0.000 |
12 | 0.233 | 0.010 |
15 | −0.018 | −0.076 |
20 | −0.294 | −0.167 |