G. N. Kim
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View article: Neutron-induced reaction cross-sections of <sup>nat</sup> Pd with the fast neutron based on the <sup>9</sup> Be(p,n) reaction
Neutron-induced reaction cross-sections of <sup>nat</sup> Pd with the fast neutron based on the <sup>9</sup> Be(p,n) reaction Open
The flux-weighted average cross-sections of the nat Pd(n,xn) 109,101 Pd and nat Pd(n,pxn) 105,106m Rh reactions with the average neutron energies of 20.3–32.3 MeV were measured for the first time by using an activation and off-line γ -ray …
View article: Heteronanoarchitecture of Ti<sub>3</sub>C<sub>2</sub>T<i><sub>x</sub></i> MXene and Amorphous MOF for Exceptional Durability in Electro‐Ionic Soft Actuator
Heteronanoarchitecture of Ti<sub>3</sub>C<sub>2</sub>T<i><sub>x</sub></i> MXene and Amorphous MOF for Exceptional Durability in Electro‐Ionic Soft Actuator Open
The assembly of 2D nanosheets with other functional nanomaterials enables the creation of materials with unique property combinations that cannot be achieved in single‐phase materials. In particular, a combination of inorganic and organic …
View article: Improved background modeling for dark matter search with COSINE-100
Improved background modeling for dark matter search with COSINE-100 Open
COSINE-100 aims to conclusively test the claimed dark matter annual modulation signal detected by DAMA/LIBRA collaboration. DAMA/LIBRA has released updated analysis results by lowering the energy threshold to 0.75 keV through various upgra…
View article: Production cross sections of radionuclides in the proton induced reactions on natural iron with the proton energy of 57 MeV
Production cross sections of radionuclides in the proton induced reactions on natural iron with the proton energy of 57 MeV Open
The production cross sections of 55,56,57Co, 52gFe, 52g,54Mn, 51Cr, and 48V from the natFe(p,x) reactions were measured using a proton energy of 57 MeV at the Korea Multi-purpose Accelerator Complex (KOMAC) in Gyeongju, Korea. The conventi…
View article: Measurement of the flux-weighted average cross section for the \(^{186}\)W\((\gamma,p)^{185}\)Ta reaction at the bremsstrahlung end-point energy of 70 MeV
Measurement of the flux-weighted average cross section for the \(^{186}\)W\((\gamma,p)^{185}\)Ta reaction at the bremsstrahlung end-point energy of 70 MeV Open
The flux-weighted average cross section for the 186W(γ,p)185Ta reaction induced with 70 MeV bremsstrahlung end-point energy was measured using the activation method in combination with off-line gamma activity measurement. The 27Al(γ,2pn)24…
View article: Excitation functions of the <sup>197</sup>Au(p,pxn) and <sup>197</sup>Au(p,xn) reactions
Excitation functions of the <sup>197</sup>Au(p,pxn) and <sup>197</sup>Au(p,xn) reactions Open
The cross-sections for the 197 Au(p,pxn) 196-193 Au and 197 Au(p,xn) 197,195,193 Hg reactions within the proton energy range of 49.8–65.5 MeV were measured at the high-intensity proton linac facility (KOMAC) in Korea using the stacked-foil…
View article: Measurement of the isomeric yield ratios of <sup>196m,g</sup>Au and <sup>195m,g</sup>Hg in the <sup>197</sup>Au(p,x) reaction
Measurement of the isomeric yield ratios of <sup>196m,g</sup>Au and <sup>195m,g</sup>Hg in the <sup>197</sup>Au(p,x) reaction Open
In this study, the isomeric yield ratio (IR) values of 196m,g Au and 195m,g Hg in the 197 Au(p,x) reaction within the proton energy range of 49.8–65.5 MeV were measured at the high-intensity proton linac facility (KOMAC) in Korea using an …
View article: Yield Ratios of Isomeric Pairs \(^{196m,g}\)Au, \(^{186m,g}\)Ir, and \(^{183m,g}\)Os in the \(^{197}\)Au\((\gamma,xnyp)\) Reactions with 2.5 GeV Bremsstrahlung
Yield Ratios of Isomeric Pairs \(^{196m,g}\)Au, \(^{186m,g}\)Ir, and \(^{183m,g}\)Os in the \(^{197}\)Au\((\gamma,xnyp)\) Reactions with 2.5 GeV Bremsstrahlung Open
The yield ratios of high to low spin states of the 196m,gAu, 186m,gIr, and 183m,gOs isomeric pairs produced by 197Au(γ,xnyp) reactions with a bremsstrahlung end-point energy of 2.5 GeV have been measured. Measurements were performed by the…
View article: Experimental Search for Non-Newtonian Forces in the Nanometer Scale with Slow Neutrons
Experimental Search for Non-Newtonian Forces in the Nanometer Scale with Slow Neutrons Open
Improved limits for new gravity-like short-range interactions, in which a scattering potential is modeled by the Yukawa-type parametrization, have been obtained by measuring the angular distribution of 6 Å neutrons scattering from atomic x…
View article: Integrated Cross Sections of the Photo-Neutron Reactions Induced on \(^{197}\)Au with 60 \(\text{MeV}\) Bremsstrahlung
Integrated Cross Sections of the Photo-Neutron Reactions Induced on \(^{197}\)Au with 60 \(\text{MeV}\) Bremsstrahlung Open
Seven photo-neutron reactions 197Au(γ,xn)197-xAu (with x=1-7) produced by the bremsstrahlung end-point energy of 60 MeV were identified. In this work, we focus on the measurement of integrated sections. Experiments were carried out based o…
View article: Recommended nuclear data for medical radioisotope production: diagnostic positron emitters
Recommended nuclear data for medical radioisotope production: diagnostic positron emitters Open
An IAEA coordinated research project that began in 2012 and ended in 2016 was primarily dedicated to the compilation, evaluation and recommendation of cross-section data for the production of medical radionuclides. One significant part of …
View article: Yield Ratios of the Isomeric Pair \(^{179m,g}\)W Produced in the \(^{nat}\)W(g,xn)\(^{179m,g}\)W Reactions with 50-65 MeV Bremsstrahlung
Yield Ratios of the Isomeric Pair \(^{179m,g}\)W Produced in the \(^{nat}\)W(g,xn)\(^{179m,g}\)W Reactions with 50-65 MeV Bremsstrahlung Open
In this work we present the yield ratios of the \(^{179m,g}\)W isomeric pair produced in the photonuclear reactions \(^{nat}\)W(g,xn)\(^{179m,g}\)W with bremsstrahlung end-point energies of 50-, 55-, 60-, and 65-MeV. The measurements were …
View article: IAEA coordinated research project on nuclear data for charged-particle monitor reactions and medical isotope production
IAEA coordinated research project on nuclear data for charged-particle monitor reactions and medical isotope production Open
An IAEA coordinated research project was launched in December 2012 to establish and improve the nuclear data required to characterise charged-particle monitor reactions and extend data for medical radionuclide production. An international …
View article: Neutron capture cross section measurements for 238U in the resonance region at GELINA
Neutron capture cross section measurements for 238U in the resonance region at GELINA Open
\n Measurements were performed at the time-of-flight facility GELINA to determine the 238U(n,$ \\gamma$) cross section in the resonance region. Experiments were carried out at a 12.5 and 60m measurement station. The total energy detection …
View article: Photonuclear Studies for the Isomeric Yield Ratios in the Production of<sup>nat</sup>Fe(γ,xnp)<sup>52m,g</sup>Mn with 50-,60-, and 70-MeV Bremsstrahlung
Photonuclear Studies for the Isomeric Yield Ratios in the Production of<sup>nat</sup>Fe(γ,xnp)<sup>52m,g</sup>Mn with 50-,60-, and 70-MeV Bremsstrahlung Open
The isomeric yield ratios in the production of natFe(γ,xnp)52m,gMn have been measured with photonuclear reactions. The high purity natural Fe metallic foils were used and irradiated with bremsstrahlung beams of end point energy 50-, 60-, a…
View article: Studies on Neutron, Photon (Bremsstrahlung) and Proton Induced Fission of Actinides and Pre-Actinides
Studies on Neutron, Photon (Bremsstrahlung) and Proton Induced Fission of Actinides and Pre-Actinides Open
We present the yields of various fission products determined in the reactor neutron, 3.7-18.1 MeV quasi-mono energetic neutron, 8-80 MeV bremsstrahlung and 20-45 MeV proton induced fission of 232Th and 238u using radiochemical and off-line…
View article: Measurement of reaction cross-sections for<sup>89</sup>Y at average neutron energies of 7.24-24.83 MeV
Measurement of reaction cross-sections for<sup>89</sup>Y at average neutron energies of 7.24-24.83 MeV Open
We measured neutron-induced reaction cross-sections for 89Y(n,γ)90mY and 89Y(n,α)86Rb reactions with the average neutron energy region from 7.45 to 24.83 MeV by an activation and off-line γ-ray spectrometric technique using the MC-50 Cyclo…