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2017•Research Journal of Environmental and Earth SciencesOpen access

Study of the Sensitivity of Polymeric Nuclear Track Detectors to Alpha Particles

T.P.A. Dali, D.S.I. Agba, A.A. Koua, Georges Alain Monnehan, Koudou Djagouri

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Abstract

In this study, we studied the sensitivity of polymeric nuclear track detectors (LR 115 type II) to alpha particles. Our measurements, carried out in the optimal experimental conditions of the chemical etching, revealed that the strippable and non-strippable detectors used are all sensitive till 80% to alpha particles with energies between 2 and 4 MeV. The results of this study will allow us used any Solid State Nuclear Track Detectors (SSNTD) LR 115 type II (strippable or non-strippable) for the environmental radon measurements. Moreover, a height of collimator of 21.79 mm will be adopted in our measurement system in order to count an optimum quantity of nuclear tracks.

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What this paper is about

In this study, we studied the sensitivity of polymeric nuclear track detectors (LR 115 type II) to alpha particles. Our measurements, carried out in the optimal experimental conditions of the chemical etching, revealed that the strippable and non-strippable detectors used are all sensitive till 80% to alpha particles with energies between 2 and 4 MeV. The results of this study will allow us used any Solid State Nuclear Track Detectors (SSNTD) LR 115 type II (strippable or non-strippable) for the environmental radon measurements. Moreover, a height of collimator of 21.79 mm will be adopted in our measurement system in order to count an optimum quantity of nuclear tracks.

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Available abstract

In this study, we studied the sensitivity of polymeric nuclear track detectors (LR 115 type II) to alpha particles. Our measurements, carried out in the optimal experimental conditions of the chemical etching, revealed that the strippable and non-strippable detectors used are all sensitive till 80% to alpha particles with energies between 2 and 4 MeV. The results of this study will allow us used any Solid State Nuclear Track Detectors (SSNTD) LR 115 type II (strippable or non-strippable) for the environmental radon measurements. Moreover, a height of collimator of 21.79 mm will be adopted in our measurement system in order to count an optimum quantity of nuclear tracks.

Key concepts: Nuclear track, Alpha particle, Radon, Collimator, Detector, Track (disk drive), Sensitivity (control systems), CR-39

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