Detection Threshold for α-Particles on the Solid-State Track Detector of Celluloid Films

  • Murakami Akira
    Department of Physics, Faculty of Science and Engineering, Saga University

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  • Detection threshold for アルファ-particles on the solid-state track detector of celluloid films

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Experimental investigations have been made on track registration properties of α-particles in the solid-state track detector of celluloid film. Celluloid films exposed to α-particles of 4.4∼2.2 MeV were etched in NaOH(6N) solution at 40°C and 50°C. The upper limits of the critical (threshold) energy for track registration and the maximum registration range of α-particles in the detector have been found to be 3.7∼3.8 MeV and 19∼21 μm, respectively.

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