Dosimetry using plane-parallel ionization chambers in a 75 MeV clinical proton beam.

@article{Palmans2002DosimetryUP,
  title={Dosimetry using plane-parallel ionization chambers in a 75 MeV clinical proton beam.},
  author={Hugo Palmans and Frank Verhaegen and J M Denis and Stefaan Vynckier},
  journal={Physics in medicine and biology},
  year={2002},
  volume={47 16},
  pages={2895-905}
}
Reference ionization chamber dosimetry in clinical proton beams is generally performed with cylindrical ionization chambers. However, when the measurement is performed in the presence of a large depth dose gradient or in a narrow spread out Bragg peak (SOBP), it could be advisable to use a plane-parallel chamber. Few recommendations and studies have been devoted to this subject. In this paper, experimental information on perturbation correction factors for four plane-parallel ionization chamber… CONTINUE READING
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