論文

査読有り
2018年3月

Stability and linearity of luminescence imaging of water during irradiation of proton-beams and X-ray photons lower energy than the Cerenkov light threshold

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
  • Seiichi Yamamoto
  • ,
  • Shuji Koyama
  • ,
  • Takuya Yabe
  • ,
  • Masataka Komori
  • ,
  • Junki Tada
  • ,
  • Shiori Ito
  • ,
  • Toshiyuki Toshito
  • ,
  • Yuho Hirata
  • ,
  • Kenichi Watanabe

883
開始ページ
48
終了ページ
56
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1016/j.nima.2017.11.073
出版者・発行元
ELSEVIER SCIENCE BV

Luminescence of water during irradiations of proton-beams or X-ray photons lower energy than the Cerenkov-light threshold is promising for range estimation or the distribution measurements of beams. However it is not yet obvious whether the intensities and distributions are stable with the water conditions such as temperature or addition of solvable materials. It remains also unclear whether the luminescence of water linearly increases with the irradiated proton or X-ray energies. Consequently we measured the luminescence of water during irradiations of proton-beam or X-ray photons lower energy than the Cerenkov-light threshold with different water conditions and energies to evaluate the stability and linearity of luminescence of water. We placed a water phantom set with a proton therapy or X-ray system, luminescence images of water with different conditions and energies were measured with a high-sensitivity cooled charge coupled device (CCD) camera during proton or X-ray irradiations to the water phantom. In the stability measurements, imaging was made for different temperatures of water and addition of inorganic and organic materials to water. In the linearity measurements for the proton, we irradiated with four different energies below Cerenkov light threshold. In the linearity measurements for the X-ray, we irradiated X-ray with different supplied voltages. We evaluated the depth profiles for the luminescence images and evaluated the light intensities and distributions. The results showed that the luminescence of water was quite stable with the water conditions. There were no significant changes of intensities and distributions with the different temperatures. Results from the linearity experiments showed that the luminescence of water linearly increased with their energies. We confirmed that luminescence of water is stable with conditions of water. We also confirmed that the luminescence of water linearly increased with their energies. (C) 2017 Elsevier B.V. All rights reserved.

リンク情報
DOI
https://doi.org/10.1016/j.nima.2017.11.073
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000419216800008&DestApp=WOS_CPL
Scopus
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85037682373&origin=inward
Scopus Citedby
https://www.scopus.com/inward/citedby.uri?partnerID=HzOxMe3b&scp=85037682373&origin=inward
ID情報
  • DOI : 10.1016/j.nima.2017.11.073
  • ISSN : 0168-9002
  • eISSN : 1872-9576
  • SCOPUS ID : 85037682373
  • Web of Science ID : WOS:000419216800008

エクスポート
BibTeX RIS