Optical excitation of LiF:Mg,Ti following alpha and beta irradiation

Optical excitation of LiF:Mg,Ti following alpha and beta irradiation

It is demonstrated experimentally that optical excitation of irradiated LiF:Mg,Ti (TLD-100) by 4 eV photons has the same effect for both alpha particle (high-ionisation density) irradiation and photon/electron irradiation. In both cases, peak 5a converts to peak 4 causing peak 4 to increase followin...

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Veröffentlicht in:Radiation protection dosimetry 2006-09, Vol.119 (1-4), p.386-389
Hauptverfasser: Horowitz, Y. S., Fuks, Y., Weiss, D., Oster, L., Podpalov, L., Belaish, Y.
Format: Artikel
Sprache:eng
Schlagworte:
Alpha Particles
Beta Particles
Computer Simulation
Dose-Response Relationship, Radiation
Equipment Design
Equipment Failure Analysis
Fluorides - chemistry
Fluorides - radiation effects
Light
Lithium Compounds - chemistry
Lithium Compounds - radiation effects
Magnesium - chemistry
Magnesium - radiation effects
Materials Testing
Models, Chemical
Radiation Dosage
Thermoluminescent Dosimetry - instrumentation
Thermoluminescent Dosimetry - methods
Titanium - chemistry
Titanium - radiation effects
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Zusammenfassung:It is demonstrated experimentally that optical excitation of irradiated LiF:Mg,Ti (TLD-100) by 4 eV photons has the same effect for both alpha particle (high-ionisation density) irradiation and photon/electron irradiation. In both cases, peak 5a converts to peak 4 causing peak 4 to increase following the bleach. Such an observation is consistent with the major premise of track structure theory that radiation effects following heavy changed particle (HCP)/neutron irradiation are due exclusively to the interaction of the secondary electrons created by the HCP slowing down.
ISSN:0144-8420
1742-3406
DOI:10.1093/rpd/nci590