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The microdosimetric one-hit detector model for calculating the response of solid state detectors

Authors
Journal
Radiation Measurements
1350-4487
Publisher
Elsevier
Publication Date
Volume
35
Issue
3
Identifiers
DOI: 10.1016/s1350-4487(01)00292-x
Disciplines
  • Physics

Abstract

Abstract The microdosimetric one-hit detector model has been developed and applied to calculate the dose response, energy response and relative efficiency of thermoluminescent LiF:Mg,Cu,P and CaF 2:Tm detectors, and of the free-radical alanine dosimeter, after their exposure to radiation of different quality. The one-hit detector is described by two model parameters: the target diameter, d and the saturation parameter, α. Combining these parameters with microdosimetric distributions in nanometer-size targets calculated using Monte Carlo track structure codes TRION and MOCA-14, it was possible to describe and predict a great variety of experimental data for photon, X-ray, beta-electron, proton, alpha-particles and heavy ion irradiation. Within the framework of this biophysical model of radiation action, some mechanistic insight into the physics of radiation action in solid state detectors can be obtained.

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