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Radiation Protection Dosimetry 101:99-102 (2002)
© 2002 Oxford University Press

Glow Curve Analysis Applied to the Discrimination of X Ray Versus Proton Irradiation

M. Skopec, J. L. Price, N. Guardala, M. Loew and M. Moscovitch

Three types of thermoluminescence dosemeters (TLDs): LiF:Mg,Ti (TLD-100), CaF2:Tm (TLD-300), and a-Al2O3:C (TLD-500), were investigated for their glow curve response to separate X ray and proton irradiations. The glow curve structure for each individual TLD's exposure to the X ray and proton irradiations was analysed and compared. Distinguishable differences between the glow curve structure characteristic of each type of radiation was observed. The proton TLD-100 glow curve has revealed a complex high-temperature peak structure that was used for the proton/X ray discrimination algorithm. Proton irradiation of TLD-300 resulted in an apparent switch in the relative heights of peaks 3 and 5 as compared to X ray. In TLD-500, proton irradiation produced a more subtle difference in the glow curve with an increase in the ratio between high- and low-temperature peaks. Results demonstrate promising differences in glow curve structure present allowing for discrimination between X ray and proton radiation field exposures.


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 Radiat Prot DosimetryHome page
Z. B. Alfassi
Comments on "Discrimination of photons from proton irradiation using glow curve feature extraction and vector analysis" by Skopec et al.
Radiat Prot Dosimetry, September 1, 2009; 136(2): 132 - 133.
[Full Text] [PDF]

Home page
 Radiat Prot DosimetryHome page
M. Skopec, M. Loew, J. L. Price, N. Guardala, and M. Moscovitch
Discrimination of photon from proton irradiation using glow curve feature extraction and vector analysis
Radiat Prot Dosimetry, September 1, 2006; 120(1-4): 268 - 272.
[Abstract] [Full Text] [PDF]


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