Physics settings for using the Geant4 toolkit in proton therapy

被引：170

作者：

Jarlskog, Christina Zacharatou ^{[1
,2
]}

Paganetti, Harald ^{[1
,2
]}

机构：

[1] Massachusetts Gen Hosp, Dept Radiat Oncol, Boston, MA 02114 USA

[2] Harvard Univ, Sch Med, Boston, MA 02114 USA

来源：

IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 2008年 / 55卷 / 03期

关键词：

Geant4; Monte Carlo; physics validation; proton therapy;

D O I：

10.1109/TNS.2008.922816

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We simulated electromagnetic and nuclear processes induced by clinical proton beams in order to select the physics setting for the 8.1 version of the Geant4 toolkit. A modular physics list was constructed allowing for alternative processes and models to be invoked in the simulations. We validated the Monte Carlo by means of measured depth-dose distributions in water for 86 MeV and 209 MeV beams and measured longitudinal charge profiles in a stack of polyethylene absorbers (multilayer Faraday cup) for a 160 MeV beam. Best agreement between simulation and measurement was found for the standard electromagnetic and binary cascade models of Geant4.

引用

页码：1018 / 1025

页数：8

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