Table 2 Analyses of the NDs vaporization profiles (1 Gy, 4 × 106 NDs/ml) vs. the measured Bragg peaks at 50 mm and 180 mm beam ranges.
Range | 50 mm | 180 mm | ||
---|---|---|---|---|
NDs vap | Measured B.peak in Peak Finder software | NDs vap | Measured B.peak in Peak Finder software | |
Plateau-to-peak ratio @vap. begin | 0.09 | 0.56 | 0.17 | 0.63 |
xend (mm) | 49.7 ± 0.1 | 50 | 179.7 ± 0.1 | 180 |
xc (mm) | 47.3 ± 0.1 | 46.9 | 177.2 ± 0.15 | 177.3 |
Peak area | 121.7 | NA | 252.5 | NA |
FWHM (mm) | 2.7 ± 0.1 | NA | 3.6 ± 0.2 | NA |
Regression coeff. R2 | 0.978 | NA | 0.976 | NA |
W80 (mm) | 2.32 ± 0.1 | 2.72 | 2.60 ± 0.2 | 3.04 |
Shift @50% drop (mm) | 0.2 ± 0.05 | NA | 0.3 ± 0.1 | NA |