Scintillation-fiber detection for dose verification in hadron therapy

Kyong Sei Lee, Byungsik Hong, Genie Jhang, Euna Ju, Chong Kim, Sung Keun Park, Han Bum Rhee, Hyun Ha Shim, Kwang Souk Sim

Research output: Contribution to journalArticle

Abstract

In this paper, we report on the development of a scintillation-fiber detection method for dose verification in hadron therapy. In order to achieve the position sensitivity required for precision measurement of doses, a detector composed of 1-mm-thick scintillation fibers and a multi-channel photodiode was constructed and tested with 45-MeV proton beams provided by the MC50 roton cyclotron at the Korea Institute of Radiological and Medical Science (KIRAMS). The results of the beam test showed that the spatial resolution of the data determined by using the standard deviation σ was ~1.0 mm, which is sufficiently accurate to verify beam-induced doses in hadron therapy. Furthermore, the quantitative accuracy appearing in the data is on the order of ~1%. We expect the detector composed of scintillation fibers and operating in the charge-integration mode to allow us to perform quality measurement of doses in various hadron therapies.

Original languageEnglish
Pages (from-to)706-712
Number of pages7
JournalJournal of the Korean Physical Society
Volume58
Issue number4
DOIs
Publication statusPublished - 2011 Apr 4

Fingerprint

scintillating fibers
therapy
dosage
medical science
rotons
Korea
detectors
proton beams
photodiodes
cyclotrons
standard deviation
spatial resolution
sensitivity

Keywords

  • Bragg distribution
  • Dose verification
  • Geant4
  • Hadron therapy
  • Scintillation fiber

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Scintillation-fiber detection for dose verification in hadron therapy. / Lee, Kyong Sei; Hong, Byungsik; Jhang, Genie; Ju, Euna; Kim, Chong; Park, Sung Keun; Rhee, Han Bum; Shim, Hyun Ha; Sim, Kwang Souk.

In: Journal of the Korean Physical Society, Vol. 58, No. 4, 04.04.2011, p. 706-712.

Research output: Contribution to journalArticle

Lee, Kyong Sei ; Hong, Byungsik ; Jhang, Genie ; Ju, Euna ; Kim, Chong ; Park, Sung Keun ; Rhee, Han Bum ; Shim, Hyun Ha ; Sim, Kwang Souk. / Scintillation-fiber detection for dose verification in hadron therapy. In: Journal of the Korean Physical Society. 2011 ; Vol. 58, No. 4. pp. 706-712.
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