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6 papers
Impact of new ICRU90 key data on stopping-power ratios and beam quality correction factors for carbon ion beams
Lucas Burigo, Steffen Greilich
The recent update of dosimetric key data by the `International Commission on Radiation Units and Measurements' impacts the computation of beam quality correction factors via…
Experimental verification of stopping-power prediction from single- and dual-energy computed tomography in biological tissues
Christian Möhler, Tom Russ, Patrick Wohlfahrt +4
An experimental setup for consecutive measurement of ion and x-ray absorption in tissue or other materials is introduced. With this setup using a 3D-printed sample container, the r…
Assessment of Microscopic Ion Beam Field Variation using Fluorescent Nuclear Track Detectors
Alexander Neuholz, Steffen Greilich
Fluorescent Nuclear Track Detectors (FNTDs) offer a superior, sub-micrometer spatial resolution that allows for single particle track detection. However, when assessing particle fl…
Measurement of fluence, LET, and dose in a carbon ion spread-out Bragg-peak using fluorescent nuclear track detectors and an automated reader
Steffen Greilich, Leonie Ulrich, Jasper J. M. Kouwenberg +1
For the assessment of radiation effects of clinical ion-beams, dosimetry has to be complemented by information on particle-energy distribution or related quantities. Fluorescence n…
Range prediction for tissue mixtures based on dual-energy CT
Christian Möhler, Patrick Wohlfahrt, Christian Richter +1
The use of dual-energy CT (DECT) potentially decreases range uncertainties in proton and ion therapy treatment planning via determination of the involved physical target quantities…
Methodological accuracy of image-based electron-density assessment using dual-energy computed tomography
Christian Möhler, Patrick Wohlfahrt, Christian Richter +1
Purpose: Electron density is the most important tissue property influencing photon and ion dose distributions in radiotherapy patients. Dual-energy computed tomography (DECT) enabl…