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Updated: Apr 29, 2026

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MIR dosimetry using CR-39 based α spectroscopy
M Sreena1, E S Keerthi1, C V Midhun1
1Nuclear and Radiation Physics Group, Department of Physics, University of Calicut, 673635, India.
Abstract:
Medical Internal Radiation (MIR) Dosimetry formalism has been implemented for a liquid source by establishing CR-39 SSNTD based alpha spectroscopy. The alpha tracks were isolated from the raw tracks by establishing track diameter-brightness correlation. The measured spectrum has been reproduced using cylindrical source model and Geant4 simulations. The equilibrium dose has been estimated by convoluting the obtained equilibrium alpha spectrum with corresponding stopping powers.
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