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Abstract
The pre-dose effect has been investigated in Si02 for various ionizing particles and specifically p, d, α., e− and X-rays. The general features are qualitatively similar; the effect intensity is however rather different for particles with different specific ionization and changes monotonically with s/p. At the same time data on the relative thermoluminescence efficiency (K factor) have been obtained.
A microdosimetric approach to the energy release along the track has been considered and the interpretation of the phenomenology in terms of those concepts is discussed.