An international journal published by K. N. Toosi University of Technology
1. Measurement of naturally occurring radioactive materials concentration in Tehran’s water using Gamma spectrometry

‎M‎ehrnaz Zehtabvar; ‎D‎ariush Sardari; ‎Gh‎olamreza ‎Jahanfarnia

Volume 1, Issue 1 , Winter 2020, Pages 1-5

http://dx.doi.org/10.22034/rpe.2020.57882

Abstract
  ‎The concentration of naturally occurring radioactive materials (NORM) in surface water and irrigation wells is measured using gamma ray spectrometry by HPGe detector‎. ‎Measurement was carried out for samples that were collected over seventeen points in Tehran city and its suburbs‎. ...  Read More

2. Introducing a novel FDG synthesis method in Iran based on alkaline hydrolysis

‎Parviz Ashtari

Volume 1, Issue 1 , Winter 2020, Pages 7-11

http://dx.doi.org/10.22034/rpe.2020.57883

Abstract
  ‎18F-FDG PET/CT is commonly used for evaluation and diagnostic of many types of cancer‎, ‎such as; tumor diagnosis‎, ‎treatment monitoring‎, ‎and radiation therapy planning‎. ‎Accurate diagnostic is needed in meticulous patient preparation‎, ‎including restrictions ...  Read More

3. A Geant4 study on dosimetric comparison between three kinds of radioactive esophageal stents to be used in treatment of advanced esophageal cancers

‎P‎ayam ‎Rafiepour; ‎Sh‎ahab ‎Sheibani; ‎D‎aryiush ‎Rezaey Uchbelagh; ‎H‎ossein Poorbaygi

Volume 1, Issue 1 , Winter 2020, Pages 13-18

http://dx.doi.org/10.22034/rpe.2020.57884

Abstract
  ‎Utilizing radioactive stents is a usual method for treatment of advanced esophageal cancer‎. ‎It is necessary to investigate the dose distribution of radioactive esophageal stents before the clinical use‎. ‎This study presents a dosimetric comparison between three radioactive esophageal ...  Read More

4. Three-dimensional solution of the forward and adjoint neutron diffusion equation using the generalized least squares finite element method

‎Farahnaz Saadatian Derakhshandeh

Volume 1, Issue 1 , Winter 2020, Pages 19-27

http://dx.doi.org/10.22034/rpe.2020.57885

Abstract
  ‎Numerical solution of the multi-group static forward and adjoint neutron diffusion equation (NDE) using the Finite Elements Method (FEM) is investigated in detail‎. ‎A finite element approach based on the generalized least squares method is applied for the spatial discretization of the NDE ...  Read More

5. Calculation of dose uniformity ratio in irradiation cell of GC-220 using analytical method based on multipole moment expansion‎

‎P‎eiman ‎Rezaeian; ‎V‎ahideh ‎Ataenia; ‎S‎epideh ‎Shafiei

Volume 1, Issue 1 , Winter 2020, Pages 29-32

http://dx.doi.org/10.22034/rpe.2020.57886

Abstract
  ‎In this paper‎, ‎dose uniformity ratio in irradiation cell of GC-220 is specifiedutilizing an analytical method based on the multipole moment expansion‎. ‎In this method‎, ‎the values of monople‎, ‎dipole and quadrupole moments for source arrangements of GC-220 are ...  Read More

6. Reduction of radiation exposure probability at Tehran research reactor equipped with a second shutdown system

‎E‎hsan ‎Boustani; S‎amad ‎Khakshournia

Volume 1, Issue 1 , Winter 2020, Pages 33-38

http://dx.doi.org/10.22034/rpe.2020.57887

Abstract
  ‎A second shutdown system (SSS) is designed for the Tehran Research Reactor (TRR) completely independent and diverse from the existing First Shutdown System (FSS)‎. ‎Given limitations‎, ‎specifications‎, ‎and requirements of the reactor‎, ‎the design of SSS is based ...  Read More