Progress in Medical Physics

Fig. 2.

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Fig. 2. Comparison between the calculated and measured head scatter factor (Sc) values for (a) square fields ranging from 4×4 to 40×40 cm2; (b) rectangular fields with one pair of jaws fixed at 10 cm, while the other pair varied from 4 to 40 cm; (c) rectangular fields with one pair of jaws fixed at 4 cm while the other pair varied from 4 to 40 cm; and (d) rectangular fields with one pair of jaws fixed at 40 cm, while the other pair varied from 4 to 40 cm. The calculated Sc values are derived from the dual-source model.
Progress in Medical Physics 2021;32:137-44 https://doi.org/10.14316/pmp.2021.32.4.137
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