Fission tracks in minerals: Annealing kinetics,track structure and age correction |
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Authors: | E. Bertel T. D. Märk |
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Affiliation: | 1. Institut für Physikalische Chemie, Leopold Franzens Universit?t, Karl-Sch?nherr-Stra?e 3, 6020, Innsbruck, Austria 2. Abteilung für Kernphysik und Gaselektronik, Institut für Experimentalphysik, Leopold Franzens Universit?t, Karl-Sch?nherr-Stra?e 3, 6020, Innsbruck, Austria
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Abstract: | It is shown that the annealing kinetics of fission tracks in apatite can be described by a sum of exponential decay functions. From an analysis of the temperature dependence of this annealing law it is concluded that the etchability of fission tracks is due to extended defects, i.e. systems of dislocation loops. The multiexponential annealing law is also applied to prove that the plateau correction method is basically correct, but rather as a method for determining a lower limit than the “true” fission track age. |
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