Comparative assessment of spherical and cylindrical ionization chambers (PTW 32002 and PTW 23361) in 60Co and 137Cs reference beams: experimental and Monte Carlo evaluation for installation compliance in gamma irradiator [0.03%]
PTW 32002和PTW 23361球形和柱形容性电离室在钴-60和铯-137参考束中的对比评估：用于γ辐照仪安装合规性的实验和蒙特卡罗评价
Taibi Zidouz,Asmaa Mouhssine,Hasbiya Tamiss et al.
Taibi Zidouz et al.
Accredited calibration laboratories operating under ISO/IEC 17025 must demonstrate compliance of their facilities with technical standards such as ISO 4037 when performing calibrations in gamma and X-ray fields, typically using ionization c...
Impact of neutron sieve therapy for deep site in boron neutron capture therapy using Monte Carlo calculation [0.03%]
基于蒙特卡洛计算的中子屏蔽板深部硼中子捕获治疗影响研究
Keiichiro Matsushita,Hideya Yamazaki,Hiroaki Matsubara
Keiichiro Matsushita
Recent Boron neutron capture therapy (BNCT) has shifted to accelerator-based systems. One of them is a compact neutron generator developed using silicon carbide (SiC) semiconductors by Fukushima SiC Applied Technology Co. However, neutron p...
Residual radioactivity and neutron fluence monitoring in the cyclotron using activation detectors [0.03%]
含活化探测器的回旋加速器残余放射性和中子通量监测
Kh Haddad,A H Al Rayyes
Kh Haddad
Characterization of residual radioactivity in a cyclotron is an important radiation safety issue, especially during maintenance interventions. Stainless steel and zinc-iron foils were used in this work as neutron activation foils to indicat...
Conversion coefficients from 24Na specific activity to effective dose in criticality accidents [0.03%]
中子通量当量剂量因子转换系数研究报告
Munehiko Kowatari
Munehiko Kowatari
New conversion coefficients relating 24Na specific activity in the human body induced by neutron exposure to the corresponding effective dose are presented to estimate public exposure in criticality accidents. The coefficients were calculat...
Reducing the radiation exposure of physicians during computed tomography-guided biopsy using an adjustable X-ray beam angular range [0.03%]
使用可调X射线束角度范围减少医师在计算机断层扫描引导活检期间的辐射暴露
Hiroaki Hasegawa,Ikuo Kobayashi
Hiroaki Hasegawa
We evaluated the effects of using the half-scan on the exposure of physicians to radiation in intermittent computed tomography (CT) fluoroscopy. For the half-scan, 0°, 90°, 180°, and 270° were used as the angular ranges of X-rays on the...
Assessment of gamma radiation dose using a car-borne survey around coastal and hinterland regions of the high background natural radiation area, Kanyakumari, India [0.03%]
印度喀拉拉邦卡奈尤达普尔高本底地区沿海和内陆区域车载调查评估伽马辐射剂量研究报告
Thennaarassan Natarajan,Kazumasa Inoue,Masahiro Fukushi et al.
Thennaarassan Natarajan et al.
This study aims to characterize the spatial distribution of natural gamma radiation using NaI(Tl) scintillation spectrometer in the coastal and hinterland regions of Kanyakumari high background natural radiation area, India. Absorbed dose r...
Applicability of simplified alpha spectroscopy for radionuclidic purity tests at 225Ac production sites [0.03%]
用于²²⁵Ac生产现场核素纯度测试的简化α谱仪适用性研究
Yuma Mihei,Kotaro Tani,Jun Ichinose et al.
Yuma Mihei et al.
This study evaluated the feasibility of a simplified alpha spectroscopy method using a collimator for radionuclidic purity testing at 225Ac production sites. Monte Carlo radiation transport simulations indicated that the full width at half ...
Rabah Boufenar
Rabah Boufenar
Neutron spectrometry presents a significant challenge due to the ill posed nature of the unfolding problem, where the neutron energy spectrum cannot be directly extracted from measurements. Traditional unfolding methods, such as Monte Carlo...
Evaluation of neutron capture cross-section at 25 keV for 165HO and 166MHO isotopes using TALYS code [0.03%]
基于TALYS代码计算165Ho和166Ho的n,γ反应截面比值
Amel Dib,Naima Belouadah
Amel Dib
As interest in 67Ho increases, the need to accurately calculate the production yields will also increase; this study aims to evaluate theoretically the neutron capture cross-section for the neutron-induced reactions 165Ho(n,γ)166Ho and 166...
Quantitative analysis of γ-H2AX foci kinetics: differential DNA damage response between primary PBMCs and HEp-2 tumor cells following gamma-irradiation [0.03%]
γ辐照后外周血单核细胞和HEp-2肿瘤细胞的DNA损伤反应的定量分析
Soumeyya Gais,Ahlem Biout,Fella Yakoubi et al.
Soumeyya Gais et al.
The aims of this study was to establish a robust and quantitative methodological basis for the in vitro γ-H2AX assay, validating its dose-response and repair kinetics in both primary peripheral blood mononuclear cells (PBMCs) and human epi...