Under-response correction for EBT3 films in the presence of proton spread out Bragg peaks
We present a study of the under-response of the new Gafchromic EBT3 films and a
procedure to accurately perform 2D and 3D proton dosimetry measurements for both pristine
and spread out Bragg peaks (SOBP) of any energy. These new films differ from the previous
EBT2 generation by a slightly different active layer composition, which we show has not
effected appreciably their response. The procedure and the beam quality correction factor
curve have been benchmarked using 29 MeV modulated proton beams. In order to show the …
procedure to accurately perform 2D and 3D proton dosimetry measurements for both pristine
and spread out Bragg peaks (SOBP) of any energy. These new films differ from the previous
EBT2 generation by a slightly different active layer composition, which we show has not
effected appreciably their response. The procedure and the beam quality correction factor
curve have been benchmarked using 29 MeV modulated proton beams. In order to show the …
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