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Values for the four parameters of the three beam models investigated in this study.
| σX (mm) | σY (mm) | DLG (mm) (aOSG test) | DLG (mm) (sweeping gap test) | T (%) | |
|---|---|---|---|---|---|
| TrueBeam Tx ‐ Millennium MLC ‐ X6 | 1.25 | 0 | 2.3 | 0.55 | 1.49 |
| TrueBeam STx ‐ 120 HD MLC ‐ X6 | 0.7 | 0.35 | 1.3 | 0.38 | 1.26 |
| TrueBeam STx ‐ 120 HD MLC ‐ X6 FFF | 0.8 | 0.3 | 0.7 | 0.24 | 1.10 |
