نتایج جستجو برای: activating agents and monte carlo code
تعداد نتایج: 16886189 فیلتر نتایج به سال:
GTNEUT is a two-dimensional code for the calculation of the transport of neutral particles in fusion plasmas. It is based on the Transmission and Escape Probabilities (TEP) method and can be considered a computationally efficient alternative to traditional Monte Carlo methods. The code has been benchmarked extensively against Monte Carlo and has been used to model the distribution of neutrals i...
In this paper, the pricing of a European call option on the underlying asset is performed by using a Monte Carlo method, one of the powerful simulation methods, where the price development of the asset is simulated and value of the claim is computed in terms of an expected value. The proposed approach, applied in Monte Carlo simulation, is based on the Black-Scholes equation which generally def...
مقدمه: در شتاب دهنده های پزشکی مورد استفاده در پرتو درمانی، از برخورد فوتون های پر انرژی با اجزای شتاب دهنده ی نوترون استفاده می گردد. تولید این نوترون ها باعث دریافت دز اضافی توسط بیمار می شود. این مطالعه، با هدف بررسی تأثیر استفاده از حفاظ هایی با جنس ها و ابعاد متفاوت در شتاب دهنده ی پزشکی 20 saturne با انرژی mv 18 در کاهش دز فوتونوترون ها، انجام شد. روش ها: برای انجام شبیه سازی ها، از کدهای...
Monte Carlo simulations are nowadays an essential tool in emission tomography (Single-Photon Emission Computed Tomography— SPECT and Positron Emission Tomography—PET), for assisting system design and optimizing imaging and processing protocols. Several Monte Carlo simulation software are currently available for modeling SPECT and PET configurations. This paper presents an overview of current tr...
background: radiation-sensitive polymer gels are among the most promising three-dimensional dose verification tools and tissue-like developed to date. among the special features of this type of dosimeters, is be doped with other elements or chemicals which made them appropriate for investigating of dose enhancement with contrast agents, by high atomic number. material and methods: in this study...
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