Response Characteristics of Carbon-Loaded TL Detectors to Beta Radiation

The response characteristics of two thermoluminescence detector systems, one using MgB4O7 and the other LiF as phosphor, and developed for application in beta dosimetry have been investigated. Both types of detectors exploit the technique of incorporating carbon to make them 'effectively thin&#...

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Bibliographic Details
Published in:Radiation protection dosimetry 1989-08, Vol.28 (3), p.201-205
Main Authors: Francis, T.M., O'Hagan, J.B., Williams, S.M., Driscoll, C.M.H., Bartlett, D.T.
Format: Article
Language:English
Subjects:
Applied radiobiology (equipment, dosimetry...)
Biological and medical sciences
Biological effects of radiation
Fundamental and applied biological sciences. Psychology
Tissues, organs and organisms biophysics
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Summary:The response characteristics of two thermoluminescence detector systems, one using MgB4O7 and the other LiF as phosphor, and developed for application in beta dosimetry have been investigated. Both types of detectors exploit the technique of incorporating carbon to make them 'effectively thin' with a view to improving their response characteristics for low energy beta radiation. The results indicate that whereas their relative sensitivity to low energy beta radiation has improved, the absolute sensitivity has diminished, resulting in high detection thresholds. Some methods for improving the absolute sensitivity for one of the systems are suggested.
ISSN:0144-8420
1742-3406
1742-3406
DOI:10.1093/oxfordjournals.rpd.a080507