Modelling an extreme water-lung interface using a single pencil beam algorithm and the Monte Carlo method.

@article{CranmerSargison2004ModellingAE,
  title={Modelling an extreme water-lung interface using a single pencil beam algorithm and the Monte Carlo method.},
  author={Gavin Cranmer-Sargison and Wayne A. Beckham and Iulia A. Popescu},
  journal={Physics in medicine and biology},
  year={2004},
  volume={49 8},
  pages={1557-67}
}
The goal of this study was to quantify, in a heterogeneous phantom, the difference between experimentally measured beam profiles and those calculated using both a commercial convolution algorithm and the Monte Carlo (MC) method. This was done by arranging a phantom geometry that incorporated a vertical solid water-lung material interface parallel to the beam axis. At nominal x-ray energies of 6 and 18 MV, dose distributions were modelled for field sizes of 10 x 10 cm(2) and 4 x 4 cm(2) using… CONTINUE READING

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