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Detection Efficiency of Alpha Particles in CR-39 Nuclear Track Detector: Experimental Study

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CR-39 track detector has been exposed to collimated alpha particle from 241Am source in air. It was found from the experimental studies that both of the alpha track detection efficiency and the track diameter are decreasing with increasing registration temperature at fixed alpha particle energy in the range from 35 °C to 55 °C. The correlation of alpha track detection efficiency as a function of registration temperature with physical properties of detector material like the electrical conductivity was studied in order to produce a quantitative description. Also Raman studies for the same sheets of the CR-39 track detector have been examined which reveals that considerable changing in the density of-CH2-group between 50 °C and 100 °C was found.
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Keywords: CR-39; RAMAN SHIFT; REGISTRATION TEMPERATURE; TRACK DENSITY

Document Type: Research Article

Publication date: 01 August 2012

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  • Advanced Science, Engineering and Medicine (ASEM) is a science, engineering, technical and medical journal focused on the publishing of peer-reviewed multi-disciplinary research articles dealing with all fundamental and applied research aspects in the areas of (1) Physical Sciences, (2) Engineering, (3) Biological Sciences/Health Sciences, (4) Medicine, (5) Computer and Information Sciences, (6) Mathematical Sciences, (7) Agriculture Science and Engineering, (8) Geosciences, and (9) Energy/Fuels/Environmental/Green Science and Engineering.
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