The Whole-Body (Human) Counter of the University of Tokyo:Its Structure and Performance

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概要

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• A description is given of the design and performance of a whole-body counter at the University of Tokyo. The apparatus is intended for use in medical research and as control measure for radiation protection. Three types of detectors are installed for whole body counting of the human subject: (a) 5" NaI(Tl) scintillation probe, (b) 2.5" NaI(Tl) scintillation probes, and (c) large plastic scintillation probes. Output signals from the detectors are analyzed in a 400-channel pulse height analyzer. The subject is measured either on: (a) stretcher, (b) chair, or (c) V-bottom bed. In using the plastic scintillation probes, counting for a period of 15 min suffices to detect 150g of potassium in the body, allowing for a statistical counting error of 2.2%. Spectra from some human subjects are presented.

• 一般社団法人 日本原子力学会の論文

著者

• Yoshizawa Yasuo

  Department Of Surgery Showa University Fujigaoka Hospital

• KUSAMA TOMOKO

  Department of Health Science, Oita University of Nursing and Health Sciences

• Takeuchi Yoshiko

  Department Of Computer Science Hamamatsu Polytechnic College

• Katsunuma Haruo

  Department Of Public Health Faculty Of Medicine Tokyo University

• Maeda Kazuho

  Department Of Epidemiology School Of Health Sciences University Of Tokyo

• KUSAMA Tomoko

  Department of Radiological Health, Faculty of Medicine, The University of Tokyo

• IMAHORI Akira

  Department of Radiological Health, Faculty of Medicine, the University of Tokyo

• KANEKO Masahito

  Department of Radiological Health, Faculty of Medicine, the University of Tokyo

• YOSHIZAWA Yasuo

  Department of Radiological Health, Faculty of Medicine, the University of Tokyo

• KATSUNUMA Haruo

  Department of Radiological Health, Faculty of Medicine, the University of Tokyo

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