ArticlePhysics and imaging in radiation oncology2026
Type-B uncertainties related to ionization chamber modelling in Monte Carlo based reference dosimetry for clinical proton and carbon ion beams.
Article in Physics and imaging in radiation oncology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background and Purpose: Monte Carlo simulations are increasingly used to derive beam quality correction factors ( Materials and Methods: Seven ionization chamber models have been modelled in Image 1001 , and independent perturbations of the geometrical dimensions, material mass densities and Results: All perturbed configurations showed deviations within three standard uncertainties (type-A) of the reference result. Maximum deviations of 0.4% were observed across the three types of perturbation, independently of beam energy or chamber type. Each source of uncertainty contributed to roughly 0.2% individually, with a combined effect of Conclusions: The type-B uncertainties associated with ionization chamber modelling do not dominate the overall uncertainty of ionization response functions
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