The Gafchromic EBT3® film as alpha detector

Film dosimetry is developed as a powerful tool for radiotherapy treatment verification and quality assurance. This project was done to study the response of Gafchromic EBT3® film for alpha particle detection. Gafchromic EBT3® film was exposed to alpha particle of energy 5.4 MeV from Am-241 source fo...

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Bibliographic Details
Published in:Journal of physics. Conference series 2018-08, Vol.1083 (1), p.12019
Main Authors: Mustaqim, A S, Kandaiya, S, Razak, N N A, Yahaya, N Z
Format: Article
Language:English
Subjects:
Absorbance
Alpha particles
Alpha rays
Dosimeters
Exposure
Flatbed
Physics
Quality assurance
Radiation therapy
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Summary:Film dosimetry is developed as a powerful tool for radiotherapy treatment verification and quality assurance. This project was done to study the response of Gafchromic EBT3® film for alpha particle detection. Gafchromic EBT3® film was exposed to alpha particle of energy 5.4 MeV from Am-241 source for different exposure time after one of the 125 μm polyester layer was removed. Then, the film was scanned with a flatbed scanner (Epson V700). From the results obtained, the maximum alpha particle absorbance was measured within the red light wavelength which was between 620 nm - 750 nm (alpha energy of 5.4 MeV). The absorbance also increased linearly with the exposure time. The exposure of film at different heights of pipe washer indicated that the film was energy dependent.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1083/1/012019