[OA150] Influence of extrafocal dose in the out-of-field dose distribution in a paediatric anthropomorphic phantom, irradiated with a FFF beam and a 120 HD MLC – Monte Carlo simulations and gafchromic EBT3 dose distribution
نویسندگان
چکیده
منابع مشابه
Evaluation of dose distribution of 12C ion beam in radiotherapy by FLUKA as a Monte Carlo simulation Code
Introduction: Nowadays, the use of heavy ion beams in cancer therapy have been developed worldwide. Materials and Methods: It requires accurate understanding of the complex processes of ion interaction with matter, as it is the calculation the relative dose & range of these ions in matter. In the present study we used FLUKA as a numerical Monte Carlo simula...
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Introduction: Nowadays new radiochromic films have an essential role in radiotherapy dosimetry. Properties such as high sensitivity, good reproducibility, high spatial resolution, easy readout and portability have made them attractive for dosimetry, especially in high-dose-gradient regions. Material and Methods: In this study, electron-beam dose distributions in homogenous and heterogeneous pha...
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Background: In neutron interaction with matter and reduction of neutron energy due to multiple scatterings to the thermal energy range, increasing the probability of thermal neutron capture by neutron captures makes dose enhancement in the tumors loaded with these materials. Objective: The purpose of this study is to evaluate dose distribution in the presence of 10B, 157Gd and 33S neutron...
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پژوهش حاضر به بررسی رابطه بین تسهیم دانش و چابکی سازمانی در شرکت توزیع برق استان اصفهان پرداخته است . ابزار سنجش در این پژوهش پرسشنامه می باشد . به منظور سنجش متغیر تسهیم دانش از پرسشنامه وانگ و وانگ و جهت سنجش چابکی سازمانی از پرسشنامه چاربونیر استفاده شده است . هدف پژوهش حاضر تحلیل رابطه میان تسهیم دانش و چابکی سازمانی از دید کارکنان شرکت توزیع برق استان اصفهان می باشد . جامعه آماری این پژوه...
15 صفحه اولDevelopment and implementation of a Monte Carlo frame work for evaluation of patient specific out- of - field organ equivalent dose
Background: The aim of this study was to develop and implement a Monte Carlo framework for evaluation of patient specific out-of-field organ equivalent dose (OED). Materials and Methods: Dose calculations were performed using a Monte Carlo-based model of Oncor linac and tomographic phantoms. Monte Carlo simulations were performed using EGSnrc user codes. Dose measurements were performed using r...
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ژورنال
عنوان ژورنال: Physica Medica
سال: 2018
ISSN: 1120-1797
DOI: 10.1016/j.ejmp.2018.06.222