Dose response of alanine detectors irradiated with carbon ion beams

Purpose: The dose response of the alanine detector shows a dependence on particle energy and type when irradiated with ion beams. The purpose of this study is to investigate the response behavior of the alanine detector in clinical carbon ion beams and compare the results to model predictions. Metho...

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Hauptverfasser: Herrmann, Rochus (VerfasserIn) , Jäkel, Oliver (VerfasserIn) , Palmans, Hugo (VerfasserIn) , Sharpe, Peter (VerfasserIn) , Bassler, Niels (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: [April 2011]
In: Medical physics
Year: 2011, Jahrgang: 38, Heft: 4, Pages: 1859-1866
ISSN:2473-4209
DOI:10.1118/1.3560459
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1118/1.3560459
Verlag, lizenzpflichtig, Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1118/1.3560459
Volltext
Verfasserangaben:Rochus Herrmann, Oliver Jäkel, Hugo Palmans and Peter Sharpe, Niels Bassler

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520 |a Purpose: The dose response of the alanine detector shows a dependence on particle energy and type when irradiated with ion beams. The purpose of this study is to investigate the response behavior of the alanine detector in clinical carbon ion beams and compare the results to model predictions. Methods: Alanine detectors have been irradiated with carbon ions with an energy range of 89-400 MeV/u. The relative effectiveness of alanine has been measured in this regime. Pristine and spread out Bragg peak depth-dose curves have been measured with alanine dosimeters. The track structure based alanine response model developed by Hansen and Olsen has been implemented in the Monte Carlo codeFLUKA and calculations were compared to experimental results. Results: Calculations of the relative effectiveness deviate less than 5% from the measured values for monoenergetic beams. Measured depth-dose curves deviate from predictions in the peak region, most pronounced at the distal edge of the peak. Conclusions: The used model and its implementation show a good overall agreement for quasimonoenergetic measurements. Deviations in depth-dose measurements are mainly attributed to uncertainties of the detector geometry implemented in the Monte Carlo simulations. 
650 4 |a alanine 
650 4 |a Carbon 
650 4 |a carbon ions 
650 4 |a dosimetry 
650 4 |a Dosimetry 
650 4 |a Dosimetry/exposure assessment 
650 4 |a Electromagnetic radiation detectors 
650 4 |a Electron paramagnetic resonance spectroscopy 
650 4 |a Error analysis 
650 4 |a including brachytherapy 
650 4 |a ion beam applications 
650 4 |a Ion beam detectors 
650 4 |a Ion beams 
650 4 |a Ion radiation effects 
650 4 |a Monte Carlo 
650 4 |a Monte Carlo methods 
650 4 |a Particle beam detectors 
650 4 |a Radiation detectors 
650 4 |a radiation therapy 
650 4 |a sensors 
650 4 |a Therapeutic applications 
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