Abstract
Abstract Experiments have been performed to study the characteristics of latent damage trails produced by (a) 17.14 MeV/nucleon-208Pb ions in mica and CR-39 track detectors and (b) 13.7 MeV/nucleon-238U in CR-39 track detectors. The parameters studied include (a) Vt, average etching velocity along the track, (b) thermal stability of the latent damage trails, (c) the total etchable ranges, and (d) Vg the general etching velocity of CR-39 track detectors previously annealed at different temperatures. It has been observed that the latent damage trails in CR-39 are greatly affected at temperatures around 200°C in CR-39 track detectors. The general etching velocity of a CR-39 detector has been found to increase with increasing annealing temperatures.
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