Recording Efficiency Of Cr-39 Track Detectors In Vacuum

V. M. Bystritskii,V. M. Grebenyuk, A. V. Revenko, S. G. Stetsenko,V. A. Stolupin

INSTRUMENTS AND EXPERIMENTAL TECHNIQUES（1997）

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摘要

A vacuum effect upon the sensitivity of a CR-39 track detector to 5.57-MeV alpha-particles from a Am-241 source was studied, Exposure to vacuum (2.2 x 10(-6) Torr less than or equal to P less than or equal to 8 x 10(-6) Torr) for less than or equal to 12 h prior to and after irradiation leads to a decrease in the CR-39 polymer recording efficiency of no more than 15%.

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