نتایج جستجو برای: egsnrc code

تعداد نتایج: 167957  

Mahmood Allahverdi, Micaeil Mollazadeh Mohammadreza Ay Nader Riahi Alam Tayyeb Allahverdi Pourfallah,

Introduction: GafChromic EBT films are one of the self-developing and modern films commercially available for dosimetric verification of treatment planning systems (TPSs). Their high spatial resolution, low energy dependence and near-tissue equivalence make them suitable for verification of dose distributions in radiation therapy. This study was designed to evaluate the dosimetric parameters of...

Journal: :Physics in medicine and biology 2017
R Kramer V F Cassola M E A Andrade M W C de Araújo D J Brenner H J Khoury

The purpose of bowtie filters in CT scanners is to homogenize the x-ray intensity measured by the detectors in order to improve the image quality and at the same time to reduce the dose to the patient because of the preferential filtering near the periphery of the fan beam. For CT dosimetry, especially for Monte Carlo calculations of organ and tissue absorbed doses to patients, it is important ...

Journal: :IEEE Transactions on Communications 2015

Journal: :ACM Transactions on Programming Languages and Systems 1984

Journal: :Atom Indonesia 2022

The aim of this study was to characterize electron contamination a flattened (FF) and an unflattened (FFF) Varian Clinac iX 6X 15X photon beams using Monte Carlo (MC) simulation. EGSnrc MC technique used model the head simulate dose distribution FF FFF beam in water phantom. materials geometrical data linac were provided by Tan Tock Seng Hospital (TTSH) Singapore. modeled removing flattening fi...

Journal: :Psychiatric Services 2017

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