Results 141 to 150 of about 1,765 (182)
A graphical user interface for Monte Carlo dose calculations for brachytherapy with egs_brachy. [PDF]
Med PhysMoghadam N +7 more
europepmc +1 more source
Prediction of electron-solid interaction parameters using machine learning. [PDF]
Med PhysAkbari F.
europepmc +1 more source
EGSnrc application for IMRT planning [PDF]
Reports of Practical Oncology and Radiotherapy, 2020 The aim of this study was to describe a detailed instruction of intensity modulated radiotherapy (IMRT) planning simulation using BEAMnrc-DOSXYZnrc code system (EGSnrc package) and present a new graphical user interface based on MATLAB code (The MathWorks) to combine more than one. 3ddose file which were obtained from the IMRT plan.
Mohammad Haekal +2 more
exaly +5 more sources
EGSnrc calculation of activity calibration factors for the Vinten ionization chamber
Applied Radiation and Isotopes, 2018 The National Physical Laboratory Vinten 671 chamber was selected as a proving ground for a new radionuclide source model in the EGSnrc software. The computational Vinten model is validated against measurements of radionuclide artifacts whose activities were determined by absolute methods.
Frédéric Tessier, R Galea
exaly +5 more sources
Computers in Biology and Medicine, 2021 Background: Ionometric dosimetry in IOERT is a complicated process, due to the sophisticated beam setup and the necessity for dedicated protocols for ion chamber response correction.
Sara Lashkari +2 more
exaly +3 more sources
Comparison between PRIMO and EGSnrc Monte Carlo models of the Varian True Beam linear accelerator
Radiation Physics and Chemistry, 2021 The study objectives were to simulate a 6 MV flattening filter-free (FFF) photon beam of a TrueBeam Varian LINAC, using the PRIMO code. The depth-dose profiles for various jaw open fields and cross-beam profiles for various depths inside water phantoms ...
David Bradley +2 more
exaly +2 more sources
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CSnrc: correlated sampling Monte Carlo calculations using EGSnrc.
Medical physics, 2004CSnrc, a new user-code for the EGSnrc Monte Carlo system is described. This user-code improves the efficiency when calculating ratios of doses from similar geometries. It uses a correlated sampling variance reduction technique. CSnrc is developed from an existing EGSnrc user-code CAVRZnrc and improves upon the correlated sampling algorithm used in an ...
Buckley, L. A. +2 more
openaire +2 more sources
Simulation of phoswich detectors using MCNPX and EGSNRC
Radiation Protection Dosimetry, 2010The in vivo monitoring Lab at KIT uses two phoswich detectors for routine lung counting. A simplified model of one of them has been implemented in the two Monte Carlo codes EGSnrc and MCNPX. The active part of the detector consists of a crystal of NaI(Tl) and one of CsI(Tl): the energy deposited in both the crystals have been studied to consider the ...
Leone, D., Breustedt, B.
openaire +3 more sources
Optimization of dual electron multileaf collimator materials by use of EGSnrc
Radiological Physics and Technology, 2010A dual electron multileaf collimator (eMLC) has recently been proposed and ascertained to be effective in the collimation of therapy electron beams. The EGSnrc Monte Carlo code has been used in the optimization of the dual eMLC by simulation of the Varian 2100C medical linear accelerator with the applicator completely replaced by the dual eMLC, and ...
Samuel O, Inyang, Alan C, Chamberlain
openaire +2 more sources
Poster ‐ 18: New features in EGSnrc for photon cross sections
Medical Physics, 2016Purpose:To implement two new features in the EGSnrc Monte Carlo system. The first is an option to account for photonuclear attenuation, which can contribute a few percent to the total cross section at the higher end of the energy range of interest to medical physics.
Ali, Elsayed +2 more
openaire +1 more source