Designing a system of boron concentration measurement in solution samples by the PGNAA facility of the Isfahan MNSR reactor

M Jafari, H Jafari, MHC Dastjerdi, J Mokhtari - Nuclear Engineering and …, 2024 - Elsevier
Boron is used in various industrial branches, such as in semiconductor, insecticides,
agricultural, glass and ceramics products, and nuclear medicine. In this work, the ability of …

Defect detection for industrial neutron radiographic images based on modified YOLO network

W Guo, S Qiao, C Zhao, T Zhang - … Methods in Physics Research Section A …, 2023 - Elsevier
Neutron radiography (NR) has been widely used in non-destructive investigations. Since the
industrial neutron radiographic images (NRIs) usually suffer from unclear defect features …

Characterization of the PGNAA neutron beam of Isfahan MNSR through the calculations and different measurement methods

M Jafari, H Jafari, MHC Dastjerdi, J Mokhtari - Measurement, 2025 - Elsevier
In this work, the significant characterization of the neutron beam used in the PGNAA facility
of the Isfahan MNSR research reactor has been determined using both calculation and …

The design and optimization of a radiation shield for the Tehran Research Reactor's neutron diffraction facility

ZA Menarebazari, H Jafari, Z Gholamzadeh… - Progress in Nuclear …, 2022 - Elsevier
In this paper, a novel optimal radiation shield for the Tehran research reactor's neutron
powder diffraction facility was designed to reduce undesirable neutron and gamma dose …

Atomistic study for comprehensive modeling of neutron-induced displacement damage in CsI crystals

MH Rahimi, SAH Feghhi, H Jafari, SM Zamzamian - Acta Materialia, 2025 - Elsevier
CsI crystal is widely used for gamma detection in diagnostic systems of nuclear power plant
and their facilities because of its excellent properties. Due to the possibility of neutron …

Investigation and comparison of NR and PGNAA for determining boron concentration in solution samples

M Jafari, H Jafari, MHC Dastjerdi, J Mokhtari - Nuclear Engineering and …, 2025 - Elsevier
In this work, the performance of neutron radiography (NR) and prompt-gamma neutron
activation analysis (PGNAA) in measuring boron concentration for solution samples has …

The design and construction of a collimator holder to equip beam tube D of the Tehran research reactor

ZA Menarebazari, H Jafari, Z Gholamzadeh - Nuclear Engineering and …, 2023 - Elsevier
The continued safe and efficient operation of a research reactor depends on the behavior of
the structural materials making up its main components. Many of these materials are difficult …

A practical residual block-based no-reference quality metric for neutron radiographic images

J Li, S Qiao, C Zhao, T Zhang - … and Methods in Physics Research Section …, 2021 - Elsevier
Objective image quality metric is a challenging problem for neutron radiography due to the
lack of reference images. The existing no-reference image quality metric (NR-IQM) method …