Influence of dead layer on the response function of planar and coaxial Ge detector using Monte Carlo method [PDF]
Ядерна фізика та енергетика, 2023 Germanium crystals have a dead layer that causes a decrease in efficiency since the layer is not useful for detection but strongly attenuates photons. The thickness of this inactive layer is not well known due to the existence of a transition zone where ...
R. A. El-Tayebany, N. Shaaban
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Design of irradiation box of topaz stones and its neutronic and thermal analysis in Tehran Research Reactor [PDF]
مجله علوم و فنون هستهای, 2022 This paper aims to design a suitable irradiation box of topaz stones and improve the neutronic parameters by maintaining the necessary conditions for their cooling in Tehran Research Reactor (TRR).
Z. Zarei +3 more
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A comprehensive GATE Monte Carlo model for a double scattering proton treatment nozzle [PDF]
مجله علوم و فنون هستهای, 2022 Proton beam therapy (PBT) is a modern radiotherapy technique characterized by superior target coverage compared to conventional modalities. In this work, a comprehensive GATE Monte Carlo model was developed and then validated for a double scattering ...
E. Piruzan, N. Vosoughi, H. Mahani
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Transient parameters analysis of non-scrammed local melting accident scenarios using MCNPx and COBRA/EN [PDF]
مجله علوم و فنون هستهای, 2022 The risk assessment of local nuclear fuel melting in nuclear power plants (NPPs) due to its localized nature and the difficulty in accurate monitoring is of vital importance for safe operation of nuclear reactors.
B. Salmassian, +3 more
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Dosimetry calculations of 166Dy/166Ho –Chitosan in vivo generator using GEANT4 and MCNPX [PDF]
مجله علوم و فنون هستهای, 2021 The Holmium-166 radionuclide is one of the most effective radionuclides used to treat bone marrow cancer and rheumatoid arthritis. Among the recommended radionuclides used in radiation synovectomy, 166Ho has got much attention due to suitable decay ...
N. Salek, S. Vosoughi, A. Bahrami Samani
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Dose rate estimation of gamma-rays emitted from a LEU miniature plate [PDF]
مجله علوم و فنون هستهای, 2023 The LEU miniature plate irradiated in the Tehran Research Reactor, which produces the radioisotope molybdenum-99, is a radioactive source consisting of various radioisotopes.
S.M. Miremad, A.B. Samani, S.S. Sayyahi
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Research Paper: Nuclear Designing of a Blood Irradiator Facility for Research and Medical Applications Using Cobalt-60 Line Sources [PDF]
فیزیک کاربردی ایران, 2022 Nowadays, the irradiation of blood and blood products, as well as sterilization of pharmaceuticals and biological materials used in the medical industry, are being carried out in developed countries and some developing countries. Usually for this purpose,
Reza Bagheri, Hassan Ranjbar
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Analysis, Design and Optimization of the Multi Layer Radiation Shielding of Satellite Electronic Components [PDF]
فصلنامه علوم و فناوری فضایی, 2021 In this paper, multi layer radiation shield is designed for electrons and protons space environments to protect in all satellite orbits. The designed shield layer material and thickness is analyzed and optimized by MCNPX linked with Matlab.
Kavoos Ghordoyi Milan +3 more
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Studying the Effects of Multi-Layer Shielding in Reducing Space Radiations Exposure of Human and Electrical Components in Space Missions [PDF]
فصلنامه علوم و فناوری فضایی, 2023 Protection of astronauts and electronic components in satellites and spacecraft against space rays is one of the most important primary requirements in space missions.
Sarah Shoorian +3 more
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Computer Simulations Applied to Small-Field Dosimetry in Radiotherapy
Brazilian Journal of Radiation Sciences, 2022 With the advancement of radiotherapy techniques, we find some challenges in small field dosimetry that are widely used in head and neck treatments, so computer simulations with the Monte Carlo method, already well established in medical physics, are a ...
Frederico Souza Gomes da Silva +2 more
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