Fission damage detection and investigation of the annealing behavior in apatite by absorption spectroscopy

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Abstract
A new method for fission-track detection by means of absorption spectroscopy is presented. Application of the method to the investigation of the annealing behavior shows the following result: Annealing of fission tracks in apatite crystals containing fossil tracks causes a decrease of the characteristic absorption due to a diffusion process. In crystals with freshly induced tracks, however, the absorption fading is partly due to bimolecular recombination.