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Fig. 3 | Radiation Oncology

Fig. 3

From: Design and evaluation of electron beam energy degraders for breast boost irradiation

Fig. 3

Comparison of the measured and calculated beam characteristics curves for 9 MeV beam. A comparison of the measured and calculated relative central-axis depth dose curves in water for 9 MeV beam of (a) 10 × 10 cm2 and (b) 15 × 15 cm2 cones. Measured and calculated cross-beam profiles at the depth of dose maximum in water for 9 MeV electron beam of (c) 10 × 10 cm2 and (d) 15 × 15 cm2 cones. Solid lines indicate measurements data with an ionization chamber (CC13). Squares indicate the calculated data from Monte Carlo simulations. The energy and lateral spread of incident electron beam for MC simulations were 9.85 MeV and 0.13 cm FWHM of Gaussian distribution, respectively

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