Abstract The microdosimetric lateral structure of tracks of charged nuclear particles in monocrystalline layers of AgCl-detectors has been measured by means of a videoelectronic computer-controlled image analysing system. The lateral optical density profiles, recorded along the track in sequential steps of 0.2μm show compact tracks with a density maximum around the track axis as well as “coreless” tracks with a density minimum towards the axis. This minimum is more pronounced for particle of high effective charge q exceeding ∼ 25. The effect of fading of the core depends on the charge state q of the particle rather than on its (high) LET. This finding points towards an increased atomic displacement by Coulomb-repulsion into the lattice of the detector of Ag+-atoms which are needed for the formation of the track. Examples of measurements and of tracks are presented.


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    Title :

    Structure of heavy ion tracks in AgCl detectors


    Contributors:

    Published in:

    Advances in Space Research ; 12 , 2-3 ; 17-21


    Publication date :

    1991-01-01


    Size :

    5 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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