An international journal published by K. N. Toosi University of Technology

Particle Accelerators, Ion sources
Design and simulation of an S-Band tunable solid-state power amplifier as an RF injector into a miniature ECR ion source

Hamid Rahimpour; HamidReza Mirzaei; Masoomeh Yarmohammadi Satri; Zafar Riazi Mobaraki

Articles in Press, Accepted Manuscript, Available Online from 11 June 2022

http://dx.doi.org/10.22034/rpe.2022.336199.1069

Abstract
  A continuous-wave solid-state-based power amplifier is designed and simulated in this paper to work as an RF injector into an ECR ion source chamber. Employing a solid-state radio frequency power amplifier, instead of microwave tubes, leads to having higher efficiency, lower price, compact size, and ...  Read More

Measurement of Radiation and Radioactivity
Determination of TG-43 dosimetric parameters for I-125, Ir-192 and Co-60 brachytherapy sources using the Monte Carlo simulation

Milad Payandeh; Mahdi Sadeghi; Dylan Richeson; Somayeh Gholami

Articles in Press, Accepted Manuscript, Available Online from 23 June 2022

http://dx.doi.org/10.22034/rpe.2022.323131.1050

Abstract
  It is important to have accurate information regarding the dose distribution for treatment planning and to accurately deposit that dose in the tissue surrounding the brachytherapy source. However, the practical measurement of dose distribution for various reasons is associated with several problems. ...  Read More

Radioanalytical Methods and Radiochemistry
Design of a two-dimensional pseudo coincidence Compton suppressor system for neutron activation analysis

Ali Biganeh; Banin Shakeri Jooybari

Articles in Press, Accepted Manuscript, Available Online from 28 June 2022

http://dx.doi.org/10.22034/rpe.2022.335909.1067

Abstract
  Compton scattering events are the main source of error on the peak counting during the Neutron Activation Analysis (NAA). The Compton suppressor system in instrumental NAA reduces the detection limit of the technique and leads to a data with a higher degree of precision. In this paper, a two-dimensional ...  Read More

Nuclear Reactor science and Technology
Dynamic behavior analysis of different pressurizer types on a high-pressure test facility

Abolfazl Shoghi; Seyed Ali Hosseini; Amir Saeed Shirani; Mehdi Zangian

Articles in Press, Accepted Manuscript, Available Online from 05 July 2022

http://dx.doi.org/10.22034/rpe.2022.337040.1073

Abstract
  The pressurizer is a key equipment to ensure the safe operation of pressurized water reactor by maintaining the reactor coolant system pressure within allowed tolerances. Various pressure control systems (Pressurizer) are adopted in industrial applications to satisfy their characteristics. In accordance ...  Read More

Particle Accelerators, Ion sources
Kinetic investigation of tellurium hexafluoride production using the volumetric method

Amir Charkhi; Parisa Zaheri; Amjad Sazgar; Iman Dehghan

Articles in Press, Accepted Manuscript, Available Online from 06 July 2022

http://dx.doi.org/10.22034/rpe.2022.342624.1089

Abstract
  Since the production of tellurium hexafluoride gas requires the design of a suitable reactor system, so the study of tellurium oxide fluorination kinetics is of great importance. For this purpose, a novel laboratory system was designed and constructed to study the fluorination reactions by the volumetric ...  Read More

Measurement of Radiation and Radioactivity
Comparison of conversion factor methods in spectrometric dosimetry systems based on NaI(Tl) scintillation detectors

Akbar Abdi Saray; Hossein Zaki Dizaji; Mortaza Taheri Balanoji

Articles in Press, Accepted Manuscript, Available Online from 07 July 2022

http://dx.doi.org/10.22034/rpe.2022.341568.1088

Abstract
  To monitor personal safety in the fields of biomedical and health physics, it is necessary to be aware of radiation doses to protect the health and safety of persons. Radiation protection quantities such as air kerma, ambient dose equivalent, and exposure dose rate are obtained by the measured spectrum ...  Read More

Fusion Technology and Equipment
Introducing the domestic multi-dimensional particle-in-cell code AZERAP

Jam yazdanpanah

Articles in Press, Accepted Manuscript, Available Online from 15 July 2022

http://dx.doi.org/10.22034/rpe.2022.341201.1086

Abstract
  The domestic plasma modeling framework AZERAP is introduced and its capabilities in simulating the plasma based accelerators and intense beam-plasma interaction are discussed. The current first beta-release of AZERAP exploits the fully kinetic, electromagnetic relativistic PIC algorithm as its numerical ...  Read More

Radiation Sources
Effects of fusion plasma ions on Aluminum and Tungsten samples using a plasma focus device: a comparison study

Ali Adeli Ahmadabadi; Zahra Shahbazi rad; Fereidon Abbasi Davani; Behjat Ghasemi

Articles in Press, Accepted Manuscript, Available Online from 18 July 2022

http://dx.doi.org/10.22034/rpe.2022.340478.1085

Abstract
  In this research, the effect of ions produced in deuterium plasma on Tungsten (W) and Aluminum (Al) plates has been investigated using a plasma focus device with the specifications of (C=10.4 μF, V=23 kV, E=2.75 kJ). The W samples used because it is one of the key elements in the Tokamak device. Because ...  Read More

Measurement of Radiation and Radioactivity
Spectrophotometric evaluation of a Nickel-based complex solution for use as a radiation dosimeter

Vahidreza Babaei; Peiman Rezaeian; Sedigheh Kashian; Reza Pourimani; Azam Akhavan

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

http://dx.doi.org/10.22034/rpe.2022.341441.1087

Abstract
  In this paper, the spectrophotometric properties of a colored Nickel-based solution complex (Nickel nitrate hexahydrate and Methyl Orange (MO)) were investigated as a stable chemical dosimeter for using in radiation processing of agricultural products. Its simple synthesis method as well as low cost ...  Read More

Experimental and Theoretical Nuclear Physics
Dechanneling and the energy loss of protons along planar directions of Si

Sepideh Shafiei; Mohammad Lamehi-Rachti

Articles in Press, Accepted Manuscript, Available Online from 31 July 2022

http://dx.doi.org/10.22034/rpe.2022.337852.1082

Abstract
  In the present paper, the dechanneling and the energy loss of protons at the energy interval of 1400 to 2200 keV along the {100} and the {110} planar directions of Si were studied by the simulation of the measured channeling Rutherford back-scattering spectra based on the exponential dechanneling function ...  Read More

Fusion Technology and Equipment
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

Articles in Press, Accepted Manuscript, Available Online from 05 August 2022

http://dx.doi.org/10.22034/rpe.2022.339578.1083

Abstract
  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