Combined measurement of dose and α/γ radiation-field-components using the shape of composite peak 5 in the glow curve of LiF:Mg,Ti

The shape of composite peak 5 in the glow curve of LiF:Mg,Ti (TLD-100), specifically, the ratio of the intensity of peak 5a to peak 5, is employed to separately estimate the gamma and alpha particle components in a mixed radiation field. A blind test demonstrates the reasonable accuracy of the techn...

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Bibliographic Details
Published in:Radiation measurements 2014-12, Vol.71, p.86-89
Main Authors: Sibony, D., Horowitz, Y.S., Oster, L., Wojcik, A., Sollazzo, A.
Format: Article
Language:English
Subjects:
Alpha particles
Alpha rays
Blinds
Dosimetry
Earth sciences
Earth, ocean, space
Estimates
Exact sciences and technology
Geochronology
Glow curves
Isotope geochemistry. Geochronology
LiF:Mg
LiF:Mg,Ti
Mixed radiation field
Molecular Bioscience
molekylär biovetenskap
Radiation measurement
TL glow curve shapes
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Summary:The shape of composite peak 5 in the glow curve of LiF:Mg,Ti (TLD-100), specifically, the ratio of the intensity of peak 5a to peak 5, is employed to separately estimate the gamma and alpha particle components in a mixed radiation field. A blind test demonstrates the reasonable accuracy of the technique which yields results between 3.8% and 30%. •The combined use of 5a/5 peaks for beta/gamma and alpha particle separation in a mixed radiation field has been demonstrated.•A blind test demonstrated the reasonable accuracy of the technique.•The enhanced relative population of peak 7 to high LET could add further accuracy to these efforts.
ISSN:1350-4487
1879-0925
1879-0925
DOI:10.1016/j.radmeas.2014.01.006