Percent difference from the mean in the signal from the (a) red and (b) blue color channels over 25 consecutive scans of EBT2 film exposed to 2 Gy.
Relative (a) transverse and (b) radial dose-to-water profiles measured with EDR2 and EBT2 films normalized to the mean dose over the central 1-cm interval.
The average field flatness measurements are listed for each analysis method using EBT2 film. The average EDR2 measurements and the differences of each EBT2 analysis method from these measurements (ΔEDR2) are presented as a reference.
The relative experimental, fit, and total uncertainties (k = 1) are listed for each of the EBT2 analysis methods.
The changes in field flatness measured over time are listed relative to 24 h postexposure.
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