Counting fission tracks in mica external detectors |
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| Authors: | J A Miller J A C Horsfall N Petford R H Tizard |
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| Institution: | (1) Bullard Laboratories, Department of Earth Sciences, CB3 0EZ Cambridge, UK;(2) R. B. Hawkins and Associates, Science Park, Milton Road, CB4 4FE Cambridge, UK;(3) Churchill College, CB3 0DS Cambridge, UK |
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| Abstract: | The different ways in which minerals and external detectors respond to chemical etching are outlined. While it is prossible that the distribution of angles of inclination of fission tracks in some materials can be determined from the measurement of the aspect ratios of the etch pits this cannot be done using mica detectors. A method of measuring the distribution of angles of inclination in mica detectors based on the frequency distribution of areas of fission track entry holes is proposed. The results of two experiments are presented, and a means of correcting the number of tracks lost during etching is described. |
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| Keywords: | Fission tracks mica detectors confocal microscopy image analysis |
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