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Proceedings in Radiochemistry

A Supplement to Radiochimica Acta

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Tritium measurement using a photo-stimulable phosphor BaFBr(I):Eu2+ plate

H. Ohuchi / Y. Hatano
Published Online: 2011-09-08 | DOI: https://doi.org/10.1524/rcpr.2011.0008


Tritium measurement is indispensable for the fuel- processing systems of deuterium-tritium (DT)-fusion facilities. A new approach to detect tritium in regions deeper than the escape depth of beta-rays from tritium is being developed using an imaging plate (IP). The measurement principle of this approach is to observe bremsstrahlung X-rays induced by the tritium beta-rays. An IP made of europium-doped BaFBr(I), a photostimulated luminescence (PSL) material, is a two-dimensional radiation sensor. In the present study, the characteristics of this IP for measuring tritium by detecting bremsstrahlung X-rays, in particular a fading effect and the energy dependence of PSL sensitivities, are examined.

Keywords: Tritium; Imaging plate; Bremsstrahlung X-rays; Fading effect; Energy dependence

About the article

* Correspondence address: University of Toyama, Hydrogen Isotope Research Center, 3190 Gofuku, Toyama, 930-8555, Japan,

Published Online: 2011-09-08

Published in Print: 2011-09-01

Citation Information: Proceedings in Radiochemistry A Supplement to Radiochimica Acta, Volume 1, Issue 1, Pages 49–53, ISSN (Print) xxxx-xxxx, DOI: https://doi.org/10.1524/rcpr.2011.0008.

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