Stefania Baccaro , Paolo D'Atanasio , Martin Gennis , Giuseppe Marini , Mario Mattioli , Andrea Nigro , Silvia Talice
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Measurement of radiation damage on organic scintillators caused by gamma-rays and its recovery time
Several types of organic scintillator were exposed to a 60Co γ-ray source at a dose rate of 1.838 x 10−2 Gy/s in order to study the radiation damage in the range 103-4 x 104 Gy of absorbed dose, both in air and in nitrogen environment. The effect of radiation damage was measured by the change in optical transmission and light output before and after the irradiation of each sample. A different degree of damage, related to the type of scintillator and to the radiation environment, was observed.
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