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MICRODOSIMETRY OF CLINICAL ION BEAMS: CONVERTING SPECTRA FROM DIAMOND SLAB TO WATER OF DIFFERENT SHAPES.
Radiat Prot Dosimetry. 2018 Dec 13;:
Authors: Magrin G, Verona C, Verona-Rinati G, Stock M
Abstract
Microdosemeters are frequently used today to specify the radiation quality in the framework of ion-beam therapy. The heterogeneity of the detector shapes and the materials limits the possibility of comparing directly spectra and mean lineal energies. A method was recently studied to convert the spectra obtained with unidirectional ion beams in slab detectors to those obtained with detectors of different in shape and material. The method is based on the observation that the lineal-energy spectra of slab detector, in a restricted energy interval, approximate the Linear Energy Transfer distributions at corresponding material and particle type and energies. In this study, the experimental spectra collected with a slab diamond detector are converted to the spectra that would be obtained using water detectors of spherical and cylindrical shapes.
PMID: 30544225 [PubMed - as supplied by publisher]
from PubMed via alexandrossfakianakis on Inoreader https://ift.tt/2PAAejz
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