Positron sensitive scintillation detectors for γ-rays

Y. Nagai, H. Saito, T. Hyodo, H. Uchida, T. Omura

研究成果: Conference article査読

1 被引用数 (Scopus)


We report a development of two types of γ-ray imagers for 2D-ACAR using position sensitive photomultiplier tubes (PS-PMT); (1) a thin Gd2SiO5 (GSO) single crystal disc coupled to a PS-PMT, (2) an 2D array of small Bi4Ge3O12 (BGO) crystal blocks coupled to a PS-PMT. In the type(1), position resolution is ≈3mm in the central area. An improvement of the performance is observed when a glass ring of the same thickness and the same index of refraction as the scintillator is placed around the scintillator. The type(2) gives higher detection efficiency and position resolution of 2.2mm in the whole sensitive area.

ジャーナルMaterials Science Forum
pt 2
出版ステータスPublished - 1995 1月 1
イベントProceedings of the 10th International Conference on Positron Annihilation. Part 1 (of 2) - Beijing, China
継続期間: 1994 5月 231994 5月 29

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学


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