Response of cellulose nitrate track detectors to electron doses |
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Authors: | N Segovia H Lopez-Valdivia A Moreno G Vazquez-Polo T Santamaria P Aranda A Hernandez |
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Institution: | ININ, Ap. Post. 18-1027, 11801, Mexico D.F., Mexico |
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Abstract: | In order to study alternative dose determination methods, the bulk etching velocity and the latent track annealing of LR 115 track detectors was studied during electron irradiation runs from a Pelletron accelerator. For this purpose alpha irradiated and blank detectors were exposed to increasing electron doses from 10.5 to 317.5 kGy. After the irradiation with electrons the detectors were etched under routine conditions, except for the etching time, that was varied for each electron dose in order to reach a fixed residual thickness. The variation of the bulk etching velocity as a function of each one of the electron doses supplied, was interpolated in order to obtain dosimetric response curves. The observed annealing effect on the latent tracks is discussed as a function of the total electron doses supplied and the temperature. |
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Keywords: | Track detectors cellulose nitrate electron irradiation bulk etching velocity variation |
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