et al.. Radiotherapy out-of-field dosimetry: Experimental and computational results for photons in a water tank. Radiation Measurements, Elsevier, 2013, 57, pp.Radiotherapy out-of-field dosimetry: Experimental and computational results for photons in a water tank, Radiation Measurements (2013),
Highlights: Dosimeters based on OSL, TLD and RPL have been compared for radiotherapy purposes. Irradiations have been performed in a water phantom located in and out of the beam. Doses have been studied for three radiation quantities, 6, 12 and 20 MV. Water and collimator scatter and leakage doses out of the beam have been evaluated.
The LNE-LNHB has developed two primary standards to determine the absorbed dose to water under reference conditions (for 10 cm × 10 cm) in 60 Co, 6 MV, 12 MV and 20 MV photon beams: a new graphite calorimeter and a water calorimeter. This first paper presents the results obtained with the graphite calorimeter and the new associated methodology. The associated relative standard uncertainty (k = 1) of absorbed dose to water is 0.25% for 60 Co and lies between 0.32% to 0.35% for MV x-ray beams.
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