Microdosimetry with a 3D silicon on insulator (SOI) detector in a low energy proton beamline
Journal article, Peer reviewed
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OriginalversjonRadiation Physics and Chemistry. 2020, 176, 109078. 10.1016/j.radphyschem.2020.109078
An accurate description of the radiation quality of proton beams is a precondition to increase our understanding of radiobiological mechanisms and to develop accurate biological response models for radiotherapy. However, there are few detectors capable of measuring microdosimetric quantities with high spatial resolution along the entire Bragg curve due to the rapid increase in stopping power at the Bragg peak (BP) and distal dose fall-off (DDF). The aim of this work was to measure the microdosimetric spectra along the Bragg curve in a low energy proton beamline used for radiobiological experiments with a novel 3D silicon-on-insulator (SOI) “mushroom” microdosimeter.