[PDF][PDF] A feasibility study to reduce the contamination of photoneutrons and photons in organs/tissues during radiotherapy

R Boodaghi Malidarre, R Khabaz… - Iranian Journal of …, 2020 - researchgate.net
Results: Except for the target organ, with the shield throughout the phantom, both
photoneutron and photon doses approximately reduced by 57-89% and 88-95 …

Design of a multi-shell portable neutron spectrometry system based on indium foil detectors

A Asuncion-Astronomo, FC Hila, CAM Dingle… - Radiation …, 2020 - Elsevier
A portable neutron spectrometry system was designed based on thermal neutron detectors
embedded in concentric polyethylene spherical shells. The system is flexible and can …

The PTW microSilicon diode: Performance in small 6 and 15 MV photon fields and utility of density compensation

G Georgiou, S Kumar, JU Würfel, M Gilmore… - Medical …, 2021 - Wiley Online Library
Purpose We have experimentally and computationally characterized the PTW microSilicon
60023‐type diode's performance in 6 and 15 MV photon fields≥ 5× 5 mm2 projected to …

Neutrons produced in a 12 MV linac working in electron mode

HR Vega-Carrillo, TG Soto-Bernal - Radiation Physics and Chemistry, 2023 - Elsevier
The electroneutron spectrum was estimated with Monte Carlo methods using two source
terms. In addition, the electroneutron spectrum was measured using a passive Bonner …

Phantom dosimetry and cancer risks estimation undergoing 6 MV photon beam by an Elekta SL-25 linac

R Khabaz - Applied Radiation and Isotopes, 2020 - Elsevier
The High-energy linear accelerator (linac) is a valuable tool and the most commonly used
devices for external beam radiation treatments in subjects suffer from cancer. To estimate …

Investigation the trend of different magnetic fields types on linac photon beam mode by Monte Carlo method using Geant4 toolkit

V Zanganeh, R Khabaz, F Aghili - Radiation Physics and Chemistry, 2021 - Elsevier
The present study is aimed at investigating the behavior of the secondary particles due to
the photon beam interaction at the presence of the longitudinal, radial, tangential (angles) …

Evaluation of neutron spectra and different fluences inside a radiotherapy room with a modified simple geometry of LINAC head

M As-habi, R Khabaz, A Khoshbin-khoshnazar - Physica Scripta, 2022 - iopscience.iop.org
The photoneutron spectra and ambient dose equivalent were determined in a radiotherapy
room with a 15 MV linear accelerator using Monte Carlo simulation. A modified simple …

Determination of the neutron contamination during brain radiotherapy using a moderated-boron trifluoride detector and the MCNP Monte Carlo code

S Elmtalab, A Shanei… - Radiation protection …, 2022 - academic.oup.com
This study aimed to determine the neutron dose equivalent to the thyroid gland and eye lens
in brain tumor radiation therapy with 15-and 18-MV three-dimensional conformal methods …

Assessment of Kerma coefficients for OSL dosimeters by analytical and Monte Carlo approaches

R Khabaz, HR Vega-Carrillo - Radiation Physics and Chemistry, 2020 - Elsevier
In optically stimulated luminescent dosimeters (OSLD), the intensity of luminescent is a
function of the dose of radiation absorbed and then it may be utilized as the basis of a …

Study of the backscattering of electron beams with energies typical of radiotherapy

B Koohi, R Khabaz - Physica Scripta, 2022 - iopscience.iop.org
During radiotherapy, the dose of electrons backscattered into the tissue should be taken into
account. According to the available data on the electron backscattering phenomenon, the …