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10. Response of CaSO4:Dy phosphor based TLD badge system to high energy electron beams from medical linear accelerator and estimation of whole body dose and skin dose

Author

Chatterjee, S., Bakshi, A.K., Kinhikar, R.A., Chourasiya, G., and Kher, R.K.

Subjects
*THERMOLUMINESCENCE dosimetry, *PHOSPHORS, *RADIATION doses, *ELECTRON beams, *DOSE-response relationship (Radiation), *CALCIUM sulfate, *LINEAR accelerators
Abstract

Abstract: Response of thermoluminescent dosimeter (TLD) badge based on CaSO4:Dy phosphor to high energy electron beams from medical linear accelerators was simulated using FLUKA Monte Carlo code and experimentally verified. This study was carried out in order to determine the response of TL discs under different filter regions of the TLD badge and their ratios under different irradiation conditions in the energy range 6–20MeV of high energy electron beams. It was found that the response of TL disc under metal filters of the TLD badge (D1) is always higher than the response of the TL discs under Polystyrene filter (D2) and open window (D3) and its response was found to decrease with increase in the energy of the electron beam. Estimation of whole body dose and skin dose including its error was carried out as an extension of the present study in case of accidental exposure of radiation worker to high energy electron beam. [Copyright &y& Elsevier]

Published
2009
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