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Evaluation of the water-equivalent characteristics of the SP34 plastic phantom for film dosimetry in a clinical linear accelerator

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  • Kyo-Tae Kim
  • Yona Choi
  • Gyu-Seok Cho
  • Won-Il Jang
  • Kwang-Mo Yang
  • Soon-Sung Lee
  • Jungbae Bahng

Abstract

In this study, some confusing points about electron film dosimetry using white polystyrene suggested by international protocols were verified using a clinical linear accelerator (LINAC). According to international protocol recommendations, ionometric measurements and film dosimetry were performed on an SP34 slab phantom at various electron energies. Scaling factor analysis using ionometric measurements yielded a depth scaling factor of 0.923 and a fluence scaling factor of 1.019 at an electron beam energy of

Suggested Citation

  • Kyo-Tae Kim & Yona Choi & Gyu-Seok Cho & Won-Il Jang & Kwang-Mo Yang & Soon-Sung Lee & Jungbae Bahng, 2023. "Evaluation of the water-equivalent characteristics of the SP34 plastic phantom for film dosimetry in a clinical linear accelerator," PLOS ONE, Public Library of Science, vol. 18(10), pages 1-16, October.
    • Handle: RePEc:plo:pone00:0293191
    DOI: 10.1371/journal.pone.0293191
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