Study on fast luminescence component induced by gamma-rays in Ce doped LiCaAlF6 scintillators

Kenichi Watanabe, Yoshiyuki Kondo, Atsushi Yamazaki, Akira Uritani, Tetsuo Iguchi, Noriaki Kawaguchi, Kentaro Fukuda, Sumito Ishizu, Takayuki Yanagida, Yutaka Fujimoto, Akira Yoshikawa

研究成果: Article査読

4 被引用数 (Scopus)

抄録

We discuss the origin of the fast luminescence component induced by fast electrons generated in gamma-ray interactions in Ce doped LiCaAlF6 scintillators. Although the slow luminescence component induced by Ce3+ emissions depends on the Ce concentration in the LiCaAlF6 scintillator, the fast component is independent. The fast component is suggested to be generated in the host matrix of the LiCaAlF6 crystal. From quantitative considerations based on Frank-Tamm equation, which shows the light yield of the Cherenkov radiation, the Cherenkov radiation was determined as the origin of the fast component. We, additionally, found that the slow rise time of main Ce3+ emissions in the Ce:LiCaAlF6 scintillator plays an important role to perform the pulse shape discrimination.

本文言語English
ページ(範囲)158-161
ページ数4
ジャーナルRadiation Measurements
71
DOI
出版ステータスPublished - 2014 12月

ASJC Scopus subject areas

  • 放射線
  • 器械工学

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