Theoretical and experimental investigation of the f(D)max-(S/S0)max anomaly in LiF:Mg,Ti

Previous investigations in the framework of the Unified Interaction Model (UNIM) have demonstrated the difficulty in theoretically predicting both f(D)max and [S(Ds)/S(0)]max with the same set of UNIM parameters. This anomaly is re-investigated and an alternative explanation, based on experimental m...

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Bibliographic Details
Published inRadiation protection dosimetry Vol. 119; no. 1-4; p. 289
Main Authors Biderman, S, Oster, L, Horowitz, Y S
Format Journal Article
LanguageEnglish
Published England 01.09.2006
Subjects
Computer Simulation
Dose-Response Relationship, Radiation
Equipment Design
Equipment Failure Analysis
Fluorides - chemistry
Fluorides - radiation effects
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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Summary:Previous investigations in the framework of the Unified Interaction Model (UNIM) have demonstrated the difficulty in theoretically predicting both f(D)max and [S(Ds)/S(0)]max with the same set of UNIM parameters. This anomaly is re-investigated and an alternative explanation, based on experimental measurements combined with UNIM analysis, is given. This explanation is based on the assumption that N(LC), the total number of available luminescent centres is changed by the sensitisation dose or anneal or both. Allowing N(LC) to increase as the sensitisation dose is increased, a good fit to both f(D) and S(Ds)/S0 is obtained.
ISSN:0144-8420
DOI:10.1093/rpd/nci589