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Fig. 2 | Radiation Oncology

Fig. 2

From: Linac photon beam fine-tuning in PRIMO using the gamma-index analysis toolkit

Fig. 2

The calculated lateral dose profile compared with measurements and its associated gamma-index (1 % /1mm) as a function of depth . The simulation is run for more than 2.8 × 108 number of histories at the beam configuration: 6.26 MeV initial electron beam energy, 0.150 MeV energy FWHM, 0.15 cm focal spot FWHM and 30 beam divergence. The gamma-index passing rate using the 1 % /1mm criteria is 89.4% while the average statistical uncertainty in the dose is 1.4%

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