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MCNP6 unstructured mesh application to estimate the photoneutron distribution and induced activity inside a linac bunker
Abstract Unwanted neutrons in radiation therapy treatments are typically generated by photonuclear reactions. High-energy beams emitted by medical Linear Accelerators (LinAcs) interact with highExpand
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Experimental validation of neutron activation simulation of a varian medical linear accelerator.
TLDR
This work presents a Monte Carlo simulation using the last version of MCNP, v. 6.1.1, of a Varian CLinAc emitting a 15MeV photon beam. Expand
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Evaluation of the response of a Bonner Sphere Spectrometer with a 6LiI detector using 3D meshed MCNP6.1.1 models
Abstract In order to undertake further studies on neutron spectra deconvolution in radiotherapy LinAc bunkers after using high megavolts treatment beams, it has been calculated the theoreticalExpand
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Dose calculation in computerized tomography
TLDR
The purpose of this work is to develop an automatic methodology to obtain the dose received by a patient, (classified by organs), after being subjected to ionizing radiation because of CT images acquisition. Expand
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VARIAN CLINAC 6 MeV Photon Spectra Unfolding using a Monte Carlo Meshed Model
Energy spectrum is the best descriptive function to determine photon beam quality of a Medical Linear Accelerator (LinAc ). The use of realistic photon spectra in Monte Carlo simulations has a greatExpand
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Study of the photoneutron generation caused by a LinAc Beryllium window with a 6 MeV treatment beam
TLDR
In most conventional radiation therapy treatments, special attention is payed for neutron contamination when working with energy beams above 8 MeV and generally it is only considered for shielding requirements, not for dose study. Expand
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Lambda modes comparison for different approximations of the neutron transport equation: Diffusion, SN and SP3
Abstract The methods presented in this paper solve the Simplified Spherical Harmonics approximation to the multidimensional neutron transport equation. 1D, 2D and 3D systems were modeled withExpand
Development of a reconstruction methodology for the X-Ray spectrum of a medical LinAc positioning flat panel
Abstract This work analyzes the possibility of using the kV flat panel detector of a medical radiotherapy LinAc for consistency verification of X-ray beam generation in order to perform a qualityExpand
Prostate cancer Monte Carlo dose model with 177Lutetium and 125Iodine treatments
TLDR
This paper presents a MC simulation of two different prostate cancer treatments using the latest version of MCNP, v.6.1.1; brachytherapy with 125I seeds and radiolabeled 177Lu-PSMA. Expand
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Brachytherapy organ dose estimation using Monte Carlo simulations of realistic patient models
TLDR
The present work proposes the use of Monte Carlo method in brachytherapy planning systems, which could affect positively on the radiotherapy treatment planning, since it provides results that are more accurate and takes into account the in homogeneities density variations. Expand
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