Development of a compact and fast response detector using an Yb:Lu 2O3 scintillator for lifetime sensitive positron emission tomography

Y. Taira, R. Kuroda, M. Tanaka, N. Oshima, B. E. O'Rourke, R. Suzuki, H. Toyokawa, K. Watanabe, T. Yanagida, H. Yagi, T. Yanagitani

研究成果: ジャーナルへの寄稿学術誌査読

1 被引用数 (Scopus)

抄録

We propose a method for obtaining three-dimensional imaging measurements of the defect distribution inside industrial materials by measuring positron lifetimes, in addition to using the imaging technique of positron emission tomography. A compact and fast response detector that uses an Yb 3+-doped Lu2O3 scintillator and a photomultiplier tube was developed and tested. Yb3+ charge transfer luminescence exhibits a fast response in the ultraviolet and visible regions. The first measurement of the positron lifetime for a bulk material using an Yb:Lu2O3 scintillator was carried out. The lifetime of positrons created inside an yttria-stabilized zirconia block via pair production produced by ultrashort photon pulses was successfully measured.

本文言語英語
論文番号C05036
ジャーナルJournal of Instrumentation
9
5
DOI
出版ステータス出版済み - 5月 1 2014
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 数理物理学
  • 器械工学

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