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Figure 1 a-c :In-air depth dose distributions along the z axis for electron beam energy of (a) 6, (b) 12, and (c) 20 MeV for field sizes of 8 × 8 cm2, 20 × 8 cm2, 35 × 8 cm2, and 35 × 35 cm2

Figure 1 a-c :In-air depth dose distributions along the z axis for electron beam energy of (a) 6, (b) 12, and (c) 20 MeV for field sizes of 8 × 8 cm2, 20 × 8 cm2, 35 × 8 cm2, and 35 × 35 cm2