Comparison of the X-ray tube spectrum measurement using BGO, NaI, LYSO, and HPGe detectors in a preclinical mini-CT scanner: Monte Carlo simulation and …

V Lohrabian, A Kamali-Asl, HG Harvani… - Radiation Physics and …, 2021 - Elsevier
Background In diagnostic X-ray computed tomography (CT) imaging, some applications,
such as dose measurement using the Monte Carlo method and material decomposition …

Determination of Gaussian energy broadening parameters for organic scintillators

A Taheri, MA Lehdarboni… - Journal of …, 2016 - iopscience.iop.org
The aim of this work is to find the energy broadening parameters for organic scintillators as
gamma detectors. A combined experimental and Monte Carlo method was used to …

Industrial gamma computed tomography using high aspect ratio scintillator detectors (A Geant4 simulation)

M Askari, A Taheri, A Movafeghi - Nuclear Instruments and Methods in …, 2019 - Elsevier
Abstract Gamma-ray Computed Tomography is an important tool for accessing the internal
details of large objects in different industries such as oil, gas, petrochemical, etc. In this …

Gamma dose rate measurement using RadFET

M Kulhar, K Dhoot, A Pandya - IEEE Transactions on Nuclear …, 2019 - ieeexplore.ieee.org
Radiation-sensitive field-effect transistors (RadFET) are generally known for the
measurement of total ionizing dose (TID) from gamma radiations. The use of an RadFET as …

Evaluation of CsI (Na) rod scintillator application in industrial gamma-ray computed tomography

M Askari, A Taheri, MM Larijani, A Movafeghi… - Nuclear Instruments and …, 2019 - Elsevier
The objective of this paper was to investigate a detection system based on a CsI (Na) rod
scintillator for the use in industrial gamma-ray computed tomography. For this goal to be …

A beta-gamma position-sensitive detector based on rod plastic scintillators and artificial neural networks

A Taheri, M Askari, MT Sasanpour - Journal of Instrumentation, 2020 - iopscience.iop.org
Mixed fields of gamma and beta radiations may exist under different conditions such as
radiation dosimetry, PET medical imaging, medical therapy treatments, space radiation …

Spectral response evaluation of plastic rod scintillators as position sensitive beta particle detectors

A Taheri, RG Peyvandi, MT Sasanpour… - Journal of …, 2015 - iopscience.iop.org
In this work, a simple position sensitive detector based on rod plastic scintillators was
developed for detection of beta particles. The detection setup consisted of a plastic-based …

A novel and fast technique for evaluation of plastic rod scintillators as position sensitive gamma-ray detectors using artificial neural networks

RG Peyvandi - Radiation Physics and Chemistry, 2019 - Elsevier
The problem of how to precisely estimate the radiation interaction position is an important
parameter in medical and industrial imaging systems. This paper presents a new …

Industrial gamma-ray computed tomography utilizing rod plastic scintillators

A Taheri, M Askari, A Biganeh - Journal of Instrumentation, 2023 - iopscience.iop.org
In this work, an industrial gamma-ray-based computed tomography system is constructed
using a 50 cm rod plastic scintillator coupled to PMTs at both ends. The ability of the system …

Measurement of effective optical reflectivity using gamma ray spectroscopy method

M Askari, A Taheri, MT Sasanpour - Optik, 2018 - Elsevier
Reflective materials have an important role in designing the high performance scintillator-
based detectors. The optical reflectivity of these materials has an undeniable effect on the …