نتایج جستجو برای: geant4 code
تعداد نتایج: 168902 فیلتر نتایج به سال:
Radiotherapy using various beams is one of the methods for treating cancer, Hadrons used to treat cancers that are near critical organs. The most important part of the cell that is damage by ionizing radiation is DNA. In this study, damages induced in the genetic material of living cells (DNA) defined by the atomic model from the protein data bank (PDB) have been studied by radiati...
Positron targets are a critical component of future Linear Colliders. Traditional composed high-Z metals that become brittle over time due to constant bombardment by high-power electron beams. We explore the possibility liquid xenon target which is continuously refreshed and therefore not susceptible damage mechanisms traditional solid targets. Using GEANT4 simulation code, we examine performan...
در این پایان نامه حفاظ های نوترونی انرژی پایین توسط? برنامه geant4? شبیه سازی شده است. geant4 یک برنامه منبع باز است که توسط کنسرسیوم geant4 ایجاد شده است. geant4برای فیزیک انرژی بالا توسعه داده شده بود، اما امروزه به طور گسترده ای در زمینه ها مختلف استفاده می شود. geant4 مدلهای هادرونی مختلفی را فراهم کرده است. ما از مدل g4hp استفاده می کنیم، مدل g4hpدارای چهار فرآیند برای نوترون می باشد ، برخ...
A set of physics processes has been developed in the Geant4 Simulation Toolkit to describe the electromagnetic interactions of photons and electrons with matter down to 250 eV. Preliminary comparisons of the models with experimental data show a satisfactory agreement.
the purpose of the present study is to find out whether bilinguals of khuzestan-arab origin or monolinguals of iranian origin code-switch during learning or speaking english and which group is more susceptible to code-switch. to this end, the students of 24 classes from high schools and pre- university centers were screened out, and interviewed and their voices and code-switchings were recorded...
Minnae Chabwera: NASA Undergraduate Research Scholar Advisor: Dr. Paul Guèye Institution: Hampton University Hampton, VA 23668 Introduction The research conducted under the guidance of Dr. Paul Guèye involved the construction of a Low Energy Electron Accelerator (LELIA) spearheaded by the Physics Department at Hampton University. The aim of this research has been to reactivate a thermionic gun...
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