Investigation of photoneutron dose equivalent from high-energy photons in radiotherapy

JP Lin, WC Liu, CC Lin - Applied radiation and isotopes, 2007 - Elsevier
Spatial distribution of photoneutron dose equivalent during radiotherapy at different beam
size, depth, and distance from a 15MV linear accelerator was investigated with bubble …

Breakthrough whole body energy-specific and tissue-specific photoneutron dosimetry by novel miniature neutron dosimeter/spectrometer

M Sohrabi, ME Torkamani - Scientific Reports, 2021 - nature.com
Breakthrough whole body energy-specific photoneutron (PN) dosimetry was made in/out-of-
field in polyethylene phantom organ surface/depths remote from isocenter of 10× 10 cm2 …

Photoneutron spectrometry by novel multi-directional spherical neutron spectrometry system

M Sohrabi, A Hakimi - Scientific Reports, 2021 - nature.com
Neutron spectrometry in science and technology applications in general and accurate exotic
photoneutron (PN) dosimetry of cancer patients undergoing high-dose high-energy X-rays …

Breakthrough electroneutron multi-response miniature dosimetry/spectrometry in medical accelerator

M Sohrabi, M Malekitakbolagh, HA Nedaei - Scientific Reports, 2024 - nature.com
Breakthrough multi-response miniature dosimetry/spectrometry of electroneutrons (EN) was
made on surface and in-depths of whole-body polyethylene phantom under 10 cm× 10 cm …

[PDF][PDF] Monte Carlo characterization of photoneutrons in the radiation therapy with high energy photons: a Comparison between simplified and full Monte Carlo models

H Ghiasi, A Mesbahi - 2010 - sid.ir
Background: The characteristics of secondary neutrons in a high energy radiation therapy
room were studied using the MCNPX Monte Carlo (MC) code. Materials and Methods: Two …

Monte Carlo estimation of photoneutrons contamination from high-energy X-ray medical accelerators in treatment room and maze: a simplified model

M Zabihzadeh, MR Ay, M Allahverdi… - Radiation protection …, 2009 - academic.oup.com
Despite all advantages associated with high-energy radiotherapy to improve therapeutic
gain, the production of photoneutron via interaction of high-energy photons with high atomic …

A study of the photoneutron dose equivalent resulting from a Saturne 20 medical linac using Monte Carlo method

F Hashemi, B Hashemi-Malayeri, G Raisali, P Shokrani… - Nukleonika, 2007 - infona.pl
High energy linacs have several advantages including lower skin dose and higher dose rate
at deep sighted tumors. But, at higher energies photonuclear reactions produce neutron …

A novel position-sensitive mega-size dosimeter for photoneutrons in high-energy X-ray medical accelerators

M Sohrabi, A Hakimi, SR Mahdavi - Physica Medica, 2016 - Elsevier
Purpose A novel position-sensitive mega-size polycarbonate (MSPC) dosimeter is
introduced. It provides photoneutron (PN) dose equivalent matrix of positions in and out of a …

Measurement of photoneutron dose produced by wedge filters of a high energy linac using polycarbonate films

SM Hashemi, B Hashemi-Malayeri… - Journal of radiation …, 2008 - jstage.jst.go.jp
Radiotherapy represents the most widely spread technique to control and treat cancer. To
increase the treatment efficiency, high energy linacs are used. However, applying high …

[HTML][HTML] A Monte Carlo study for photoneutron dose estimations around the high-energy linacs

N Mohammadi, SH Miri-Hakimabad… - Journal of biomedical …, 2014 - ncbi.nlm.nih.gov
Background: High-energy linear accelerator (linac) is a valuable tool and the most
commonly used device for external beam radiation treatments in cancer patients. In the linac …