X-ray detection capability of bismuth-loaded plastic scintillators

Masanori Koshimizu, Guillaume H.V. Bertrand, Matthieu Hamel, Shunji Kishimoto, Rie Haruki, Fumihiko Nishikido, Takayuki Yanagida, Yutaka Fujimoto, Keisuke Asai

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

We evaluated the high-energy X-ray detection capabilities of Bi-loaded plastic scintillators. The detection efficiency for 67.4 keV X-rays was successfully increased by increasing the Bi concentration. The detection efficiency of a plastic scintillator loaded with 10 wt% Bi was comparable to that of a commercially available plastic scintillator loaded with 5wt% Pb, NE-142. A subnanosecond time resolution was achieved, and no long scintillation component appeared with Bi loading. These results indicate that Bi loading is an effective method of enhancing the detection efficiency for high-energy X-rays while preserving the timing properties of plastic scintillators.

Original languageEnglish
Article number102202
JournalJapanese journal of applied physics
Volume54
Issue number10
DOIs
Publication statusPublished - 2015 Oct 1

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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