An international journal published by K. N. Toosi University of Technology
Volume 3 (2022)
Volume 2 (2021)
Volume 1 (2020)
Number of Volumes 4
Number of Issues 14
Number of Articles 96
Number of Contributors 230
Article View 23,663
PDF Download 23,829
View Per Article 246.49
PDF Download Per Article 248.22
Acceptance Rate 35

Radiation Physics and Engineering (RPE) is an international scientific-research journal published quarterly by K. N. Toosi University of Technology jointly with the Nuclear Society of Iran (NSI).

The purpose of the journal is to provide a high quality medium for the publication of substantial, original and scientific papers on the development and the enhancement of nuclear physics and nuclear engineering researches at the national as well as international level.

Papers dealing with nuclear radiation and radionuclide techniques, nuclear techniques and radiation processing, nuclear energy science and technology and nuclear physics in both experimental and theoretical field, applied in physics, chemistry, biophysics, biology, medicine, medical physics, engineering and environmental sciences are welcome.


Based on the latest report from the Journals Commission Ranking of Ministry of Science, Research and Technology (MSRT) in 2021 and 2022, RADIATION PHYSICS and ENGINEERING has been included in the list of scientific journals of MSRT and has been ranked as grade B.

Country of publication: Iran  
First Published year: 2020  
Publisher: K.N. Toosi University of Technology  
Format: Print and Online  
Frequency: Quarterly  
Language: English  
Article Processing Charges: No  
Types of Journal: Academic journal  
Manuscript type: Research article/Review article  
ISSN: 2645-5188  
Open Access: Yes  
Policy: Peer-Reviewed  
Review time: Two months Approximately  
Contact email:  


Radiation hazards from granite and bitumen in construction material site in Aniocha South Local Government Area of Delta State, South-South Nigeria

Blessing Okeoghene Ijabor; Akintayo Daniel Omojola; Augustine Onyema Nwabuoku; Funmilayo Ruth Omojola

Volume 4, Issue 2 , March 2023, Pages 1-8

  The study is aimed at measuring the outdoor background ionizing radiation (BIR), the absorbed dose rate (ADR), the annual effective dose (AED) and excessive lifetime cancer risk (ELCR) at four sites in the Aniocha South local government area (LGA) of Delta State, denoted as A-D. The study was performed ...  Read More

Studying the effect of backgrounds on the determination of radiative thermal neutron capture cross-section in the Neutron Powder Diffraction facility of the Tehran Research Reactor

Mahya Pazoki; Hamid Jafari; Zohreh Gholamzadeh

Volume 4, Issue 2 , March 2023, Pages 9-17

  Neutron data and cross-sections are highly regarded and are essential for developing nuclear equipment such as advanced fission and fusion reactors, accelerators, neutron shielding, physics studies, etc. The neutron cross-section should preferably be measured using a single-energy neutron beam, although ...  Read More

Effect of marker material on the dosimetric parameters of I-125 source (model 6711): Monte Carlo simulation

Payvand Taherparvar; Ali AziziGanjgah

Volume 4, Issue 2 , March 2023, Pages 19-24

  Low energy I-125- seeds are considered as a common source in different brachytherapy techniques for treatment of different cancers. In this study, at first, we simulated and validated I-125 (model 6711) seed according to the TG-43U1 recommendation, by GEANT4 Monte Carlo toolkit. Moreover, we simulated ...  Read More

Computational study of the effect of sapphire neutron filter on reducing the neutron and secondary-gamma dose rate around the main shield of D channel in TRR

Zohreh Gholamzadeh

Volume 4, Issue 2 , March 2023, Pages 25-33

  Simulation work provides valuable information on the behavior of different research reactor neutron analysis facilities. The present study considered neutron and secondary-gamma dose rate variations by applying a sapphire crystal inside the D channel in Tehran Research Reactor (TRR). The MCNPX computational ...  Read More

Design and construction of the plasma water activation device

Malihe Omrani; Hossein Sadeghi; Samaneh Fazelpour

Volume 4, Issue 2 , March 2023, Pages 35-37

  Design, construction, and experimental investigation of the plasma water activation device have been presented in this article. In this design, one of the electrodes, which is plate ss316, is placed in water. The other electrode which is made from tungsten is placed inside a glass tube and immersed in ...  Read More

Investigation of Radiation-Matter Interaction Effects on Burn Process of Nonequilibrium Deuterium-Tritium Plasma in Inertial Confinement Fusion Approach

Mehdi Nazirzadeh; Babak Khanbabaei; Hamidreza Alborznia

Volume 4, Issue 2 , March 2023, Pages 39-44

  A numerical model was developed and a system of the nonlinear equations of deuterium-tritium burn-up in inertial confinement fusion have been solved to find the minimum conditions which are required for the formation of hot spot and starting the thermonuclear reactions in a self-sustaining mode. The ...  Read More

Calculation of the role of Wigner energy in decontamination of Cs-137 from irradiated Graphite pores ‎

Mohammad Nikoosefat; Ardeshir Bagheri; Hamid Reza Shakur; Zahra Shahbazi Rad; Nabi Javadi

Volume 4, Issue 2 , March 2023, Pages 45-51

  During the operation of Graphite -fuel HTGR (High-Temperature Gas-cooled Reactor) nuclear reactors, Graphite  used as a neutron moderator, is irradiated and has a variety of contaminants (such as Cs-137, Co-60, and Sr-90) and due to industrial and environmental considerations, decontamination of ...  Read More

Assignment of a radiological map of the city of Borujerd in Iran

Reza Pourimani; Mobin Bajelan; Monire Mohebian

Volume 4, Issue 2 , March 2023, Pages 53-60

  The specific activity of radionuclides in the soil of the Borujerd region using high purity Germanium detector (HPGe) was measured and the associated radiological hazards were calculated. The mean specific activity of radionuclides of Ra-226, Th-232, K-40, and Cs-137 in soil was obtained at 10.99±5.11, ...  Read More

A 14 MeV AVF cyclotron magnet design for PET applications

Berat Can Karatas; Ho Namgoong; Hoseung Song; Donghyup Ha; Jong-Seo Chai; Mitra Ghergherehchi

Volume 2, Issue 1 , January 2021, , Pages 43-48

  A four-sector 14 MeV azimuthally varying field H-type cyclotron magnet has been designed for positron emission tomography (PET) at Sungkyunkwan University. Compactness, feasibility, and high performance are among the main factors that were considered in the design, which is ultimately intended made for ...  Read More

Feasibility study of application of ThO2 fuel rods in VVER-1000 fuel assemblies using MCNP and ORIGEN codes

Zohreh Gholamzadeh; Atieh JozVaziri

Volume 2, Issue 1 , January 2021, , Pages 35-41

  ‎Thorium is more abundant in nature than uranium‎. ‎The fertile thorium fuel can breed to fissile U-233 by absorbing a neutron‎. ‎The produced fissile has good neutronic performance in both thermal and fast neutron spectra‎. ‎Many types of thorium-based fuels were applied ...  Read More

Modeling the partial loss of coolant flow accident in the Super-critical water reactor

Mohammad Hossein Bahrevar; Gholamreza Jahanfarnia; Ali Pazirandeh; Mohsen Shayesteh

Volume 2, Issue 3 , September 2021, , Pages 31-39

  In this study, thermal-hydraulic analysis of partial loss of coolant flow accident in supercritical pressure light water reactor (SCWR) with a new geometric design has been investigated. In the new design, the coolant and moderator circuits are separated. This analysis was performed using the development ...  Read More

Feasibility study of Mo-99 production using high-power electron Linac: Nuclear and thermal-mechanical analysis based on photoneutron interaction

Ali Taaghibi Khotbesara; Faezeh Rahmani; Farshad Ghasemi

Volume 2, Issue 1 , January 2021, , Pages 9-17

  ‎This work presents an alternative method for Mo-99 production as a parent nuclide of Tc-99m which is the most used radioisotope in diagnostic imaging processes‎. ‎Regarding to some benefits of accelerator-based methods over reactor-based methods for Mo-99 production‎, ‎the electron ...  Read More

A review of advanced SMRs particularly iPWRs regarding safety features‎, ‎economy issues‎, ‎innovative concepts‎, ‎and multi-purpose deployment

Afshin Hedayat

Volume 1, Issue 4 , October 2020, , Pages 29-53

  ‎Both of small and medium sized reactors and small modular reactors are called SMRs‎. ‎They are reviewed and discussed in this paper‎, ‎particularly integral Pressurized Water Reactors (iPWRs)‎. ‎Studies show that PWRs are the most interested‎, ‎designed and constructed ...  Read More

Measurement of Radiation and Radioactivity
Spectroscopy of SiPM array detectors by digital spectroscopy method and implementing trapezoidal digital filter

Homa Berjisi; Ali Pazirandeh

Articles in Press, Accepted Manuscript, Available Online from 22 December 2022

  Digital spectroscopy with Silicon Photomultiplier (SiPM) array coupled on CsI(Tl) crystal, needs some consideration to achieve desirable energy resolution. an array of SiPMs must be used with large scintillation crystal, therewithal signal from whole SiPMs is not ideal. Also silicon pixels are arranged ...  Read More

Measurement of Radiation and Radioactivity
Development of a 2D photon-photon coincidence digital system for absolute activity measurement

Maryam Azizi; Ali Biganeh; Omidreza Kakuee; Behjat Ghasemi; Yashar Vosoughi

Articles in Press, Accepted Manuscript, Available Online from 24 January 2023

  Primary standardization of radioactivity is related to the direct measurement of activity in radioactive decay. A large variety of primary standardization techniques have been developed in the past years. The photon-photon coincidence counting is one of the methods for activity determination. This method ...  Read More

Measurement of Radiation and Radioactivity
Experimental and Monte Carlo investigation of neutron detection by THGEM detector in SQS mode

Mohammad Hadi Najarzadeh; Mohammad Reza Rezaie; Ali Negarestani; Ahmad Akhound

Articles in Press, Accepted Manuscript, Available Online from 26 January 2023

  Neutron detection techniques are widely studied in many articles. Most of this research requires a lot of electronic equipment. In this study, using the Thick Gas electron multiplier (THGEM) detector, a new method for neutron detection is proposed to reduce electronic equipment. In the neutron detection ...  Read More

Measurement of Radiation and Radioactivity
Measurement and simulation of the effective annual dose and radiation hazards of Jooshan hot spring in Kerman province

Mahmoud Abdoulahpour; Mohammad Reza Rezaie; Saeed Mohammadi

Articles in Press, Accepted Manuscript, Available Online from 09 February 2023

  Hot springs are known as one of the hydrotherapy centers in the world and have been welcomed due to their healing properties. Due to the presence of radon and radioactive elements in hot spring sediments, water and soil, these components are radioactive. So far, radiation hazards and the annual effective ...  Read More

Experimental and Theoretical Nuclear Physics
Measurement of tritium concentration in heavy water by azeotropic distillation

Reza Pourimani; Mohammad Reza Zare; Mehrdad Aghamohammadi

Articles in Press, Accepted Manuscript, Available Online from 01 March 2023

  In this work, the concentration of tritium in D2O of various degrees of purity was measured. Samples were taken from the Arak heavy water plant and tritium concentrations were determined using a liquid scintillation detector (LSC) based on tritium decay. In this work, instead of simple distillation, ...  Read More

Fusion Technology and Equipment
‎Simulation of neutron and gamma shielding for an inertial electrostatic confinement fusion device‎

Hadi Zanganeh; Mahdi Nasri Nasrabadi

Articles in Press, Accepted Manuscript, Available Online from 24 April 2023

  In this work, neutron and gamma shielding were simulated using MCNPX code for an inertial electrostatic confinement Fusion (IECF) device. In this regard, various properties of shields were investigated. Portland reinforced concrete was considered as the first layer. In addition to being effective in ...  Read More

Fusion Technology and Equipment
The effects of avalanche role on the neutron-less nuclear plasma fusion gain enhancement

Seyede Nasrin HoseiniMotlagh

Articles in Press, Accepted Manuscript, Available Online from 05 May 2023

  In recent years, various designs for controlled thermonuclear fusion based on the p11B reaction have been reviewed and optimized. In this article, to innovate in achieving a better power and energy gain of neutron-free p11B fusion reaction, the improvement of the cross-section and also the kinetic effects. ...  Read More

Monte Carlo Method
Secondary particle dose assessment during the proton therapy of liver cancer: A Monte Carlo study

Leyli Mogheiseh; Ali Asghar Mowlavi; Sayyed Bijan Jia; Reza Shamsabadi

Articles in Press, Accepted Manuscript, Available Online from 06 May 2023

  Proton therapy of liver tumors can be challenging due to the absorbed dose of produced secondary particles in non-target organs. This study aims to evaluate the absorbed dose of secondary particles during the proton therapy of liver cancer through the MCNPX Monte Carlo (MC) code by a simplified MIRD-UF ...  Read More

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