Long term ageing effect for energetic ultraheavy ion tracks in polycarbonate solid state nuclear track detectors

C. Domingo, A. Thompson, D. O'sullivan, C. Baixeras, F. Fernández, A. Vidal-Quadras

Research output: Contribution to journalArticleResearchpeer-review

3 Citations (Scopus)

Abstract

The charge resolution that one can obtain from long duration exposures of polycarbonate solid state nuclear track detectors has been recently questioned because of the "ageing effect", caused by time evolution of the latent tracks recorded. Several exposures of polycarbonate stacks to different energetic ultraheavy ions at the Berkeley Bevalac have been undertaken as part of a detector response study related to the Ultraheavy Cosmic Ray Experiment on board the LDEF spacecraft and to carry out latent track time evolution studies. The results indicate that there is no significant evolution of the signal recorded in polycarbonates during an ageing period of almost three years, starting 6 to 8 weeks after exposure, when the detectors are stored at temperatures ranging from - 70 to + 25 ° C. The implications of these results for the expected charge resolution from the Ultraheavy Cosmic Ray Experiment are discussed. © 1990.
Original languageEnglish
Pages (from-to)253-262
JournalNuclear Inst. and Methods in Physics Research, B
Volume51
Issue number3
DOIs
Publication statusPublished - 1 Jan 1990

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