Determination of parameters for a multiple-source model of megavoltage photon beams using optimization methods.

@article{Tillikainen2007DeterminationOP,
  title={Determination of parameters for a multiple-source model of megavoltage photon beams using optimization methods.},
  author={Laura Tillikainen and Sami Siljam{\"a}ki and Hannu Helminen and Jyrki Alakuijala and J Pyyry},
  journal={Physics in medicine and biology},
  year={2007},
  volume={52 5},
  pages={1441-67}
}
Accurate modelling of the radiation output of a medical linear accelerator is important for radiotherapy treatment planning. The major challenge is the adjustment of the model to a specific treatment unit. One approach is to use a multiple-source model containing a set of physical parameters. In this work, the parameters were derived from standard beam data measurements using optimization methods. The source model used includes sub-sources for bremsstrahlung radiation from the target, extra… CONTINUE READING

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