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Design optimization of real-time in-containment 16N beta detection system
The design process for optimizing a real-time 16N beta monitoring system inside a containment building was developed in this study. The purpose of the system is to detect the unidentified small leaks (less than 0...
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Article
Simulations of fusion edge plasmas by linear plasma devices: physics and plasma–material interactions
Because a fusion edge plasma contains various atomic and molecular processes, along with various plasma–material interactions (PMIs) for post-mortem analyses, a linear plasma device can simulate divertor and s...
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Article
Development of plasma sources and diagnostics for the simulation of fusion edge plasmas
Although the research on divertors and scrape-off layers (SOLs) has been not as focused on as the recent success of the Korean fusion program, a few linear plasma devices have been developed for simulating div...
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Article
Beam Optics Design for the μSR Facility at the RAON Facility in Korea
The beam optics was evaluated to determine the specifications for the electromagnets in the proton beamline and the surface muon beamline at the RAON facility. Beam optics was evaluated, up to the fifth order ...
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Article
In-Core Power Measurement Using SiC Semiconductor Detector
A SiC detector was fabricated and tested in harsh radiation environment of the High Flux Advanced Neutron Application Reactor (HANARO) reactor core at Korea Atomic Energy Research Institute (KAERI). A 4H-SiC w...
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Article
Feasibility Study of a Small Field Detector Based on a Microfluidic Calorimeter
The widespread proliferation of modern external beam radiotherapy devices employing small or non-standard fields has created a number of challenges for accurate reference dosimetry measurements based on ioniza...
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Article
GEANT4-based Monte Carlo Simulation of Beam Quality Correction Factors for the Leksell Gamma Knife® Perfexion™
With the publication of TRS-483 in late 2017 the IAEA has established an international code of practice for reference dosimetry in small and non-standard fields based on a formalism first suggested by Alfonso et ...
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Article
Improved 3D Printing Plastic Scintillator Fabrication
3D printing techniques can be widely used for various applications owing to their fast speed, convenience, and customized shape output. The 3D printing technique is applicable to plastic scintillator fabricati...
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Article
Monte Carlo simulations for high-rate fast neutron flux measurements made at the RAON neutron science facility by using MICROMEGAS
RAON is a Korean heavy-ion accelerator complex that is planned to be built by 2021. Deuterons (53 MeV) and protons (88 MeV) accelerated by using a low-energy driver linac (SCL1) are delivered to the neutron pr...
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Article
Feasibility study of heavy-ion beams and compound target materials for muon production
We have investigated the feasibility of using compound materials as targets for muon production by virtue of simulations using a GEANT4 toolkit. A graphite material and two thermostable compound materials, ber...
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Article
Design study for the KOBRA (KOrea Broad acceptance Recoil spectrometer and Apparatus) at RAON
The KOBRA (KOrea Broad acceptance Recoil spectrometer and Apparatus) is a multi-purpose recoil spectrometer for low-energy nuclear experiments at the RAON accelerator complex. It is divided into two stages bas...
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Article
Fine phantom image from laser-induced proton radiography with a spatial resolution of several μm
The advantages of a laser-driven proton acceleration have prompted studies of laser-induced proton radiography. As the CR-39 solid-state nuclear-track detector is suitable for measuring charged particles and c...
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Article
Erratum to: Measurement and simulation of stilbene scintillator response for the KSTAR neutron diagnostic system
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Article
Measurement and simulation of stilbene scintillator response for the KSTAR neutron diagnostic system
The Korea Superconducting Tokamak Advanced Research (KSTAR) project was started in December 1995, and its construction was completed in August 2007. On June 13, 2008, the KSTAR successfully produced its first ...
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Article
Research on reducing radiation exposure for clinical applications of X-ray attenuation
This study was aimed at identifing areas with low radiation exposure where workers could be taken in the examination room in case that they had to hold the patients by estimating the attenuation of primary rad...
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Article
Analysis of the ambient dose variation due to cosmic rays in Daejeon by using a neutron monitor
The Basic Atomic Energy Research Institute of Hanyang University in Korea has constructed a cosmic-ray detection system that is presently being operated. In this study, the impact of cosmic-rays on 18-tube NM6...
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Article
Comparing hadronic models of GEANT4 for the neutron monitor response function
The NM64 neutron monitor is the most popular instrument that measures the number of highenergy particles impacting the Earth from space. A simulation of the NM64 neutron monitor response function with the GEAN...
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Article
A study on quantitative analyses before and after injection of contrast medium in spine examinations performed by using diffusion weighted image
This study examined the changes in the signal-to-noise ratio (SNR), the contrast-to-noise ratio (CNR) and the apparent diffusion coefficient (ADC) of metastatic cancer in the lumbar region by using diffusion w...
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Article
Characteristics of the 18-tube NM64-type Daejeon neutron monitor in Korea
The amount of cosmic radiation entering Earth’s atmosphere is determined by, and is therefore an indicator of, the level of solar activity. As solar activity approaches a maximum, the importance of monitoring ...
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Article
Cosmic ray measurement and experimental temperature analysis with a muon detector
The Basic Atomic Energy Research Institute (BAERI) of Hanyang University in Korea constructed and operates a cosmic ray detection system. In this study, a muon detector composed of a plastic scintillator and a...