Investigation of the effects of the step size of Geant4 electromagnetic physics on the depth dose simulation of a small field proton beam

Dose distribution, especially the Bragg peaks or percentage depth doses (PDDs) in a small proton field, are strongly influenced by the field size. Simulation is problematic because of the lack of lateral proton equilibrium. The aim of this study is to investigate the influence of the step size of Ge...

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Veröffentlicht in:	Radiation physics and chemistry (Oxford, England : 1993) England : 1993), 2022-06, Vol.195, p.110050, Article 110050
Hauptverfasser:	Balaji, Selvaraj, Lee, Chung-Chi, Aso, Tsukasa, Wu, Tung-Ho, Chiang, Yueh, Oanh, Luu Dang Hoang, Tseng, Chien-Kai, Chen, Chia-Ray, Chao, Tsi-Chian
Format:	Artikel
Sprache:	eng
Schlagworte:	Diameters GEANT4 Guard volume Investigations Lateral displacement Lateral displacement model Mathematical models Monte Carlo simulation Parameters Physical properties Proton beam Proton beams Simulation Small field dosimetry
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