29 Result(s)
within
S.K. Kim
Physics
Nuclear Physics, Heavy Ions, Hadrons
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Article
Open AccessNonproportionality of NaI(Tl) scintillation detector for dark matter search experiments
We present a comprehensive study of the nonproportionality of NaI(Tl) scintillation detectors within the context of dark matter search experiments. Our investigation, which integrates COSINE-100 data with supp...
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Article
Open AccessExploring coherent elastic neutrino-nucleus scattering using reactor electron antineutrinos in the NEON experiment
Neutrino elastic scattering observation with NaI (NEON) is an experiment designed to detect neutrino-nucleus coherent scattering using reactor electron antineutrinos. NEON is based on an array of six NaI(Tl) c...
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Article
Open AccessAlpha backgrounds in the AMoRE-Pilot experiment
The Advanced Mo-based Rare process Experiment (AMoRE)-Pilot experiment is an initial phase of the AMoRE search for neutrinoless double beta decay of ...
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Article
Open AccessBackground modeling for dark matter search with 1.7 years of COSINE-100 data
We present a background model for dark matter searches using an array of NaI(Tl) crystals in the COSINE-100 experiment that is located in the Yangyang underground laboratory. The model includes background cont...
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Article
Open AccessIdentification of new isomers in \(^{228}\) Ac: impact on dark matter searches
We report the identification of metastable isomeric states of \(^{228}\) ...
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Article
Open AccessDevelopment of ultra-pure NaI(Tl) detectors for the COSINE-200 experiment
The annual modulation signal observed by the DAMA experiment is a long-standing question in the community of dark matter direct detection. This necessitates an independent verification of its existence using t...
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Article
Open AccessFirst results from the AMoRE-Pilot neutrinoless double beta decay experiment
The advanced molybdenum-based rare process experiment (AMoRE) aims to search for neutrinoless double beta decay (\(0\nu \beta \beta \)0νββ) of \(^{100}\)100Mo with \(\sim 100\,\hbox {kg}\)∼100kg of \(^{100}\)100M...
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Article
Open AccessBackground model for the NaI(Tl) crystals in COSINE-100
The COSINE-100 dark matter search experiment is an array of NaI(Tl) crystal detectors located in the Yangyang Underground Laboratory (Y2L). To understand measured backgrounds in the NaI(Tl) crystals we have pe...
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Article
Open AccessInitial performance of the COSINE-100 experiment
COSINE is a dark matter search experiment based on an array of low background NaI(Tl) crystals located at the Yangyang underground laboratory. The assembly of COSINE-100 was completed in the summer of 2016 and...
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Article
Open AccessUnderstanding internal backgrounds in NaI(Tl) crystals toward a 200 kg array for the KIMS-NaI experiment
The Korea Invisible Mass Search (KIMS) collaboration has developed low-background NaI(Tl) crystals that are suitable for the direct detection of WIMP dark matter. Building on experience accumulated during the ...
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Article
Open AccessThe Physics of the B Factories
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Article
Status of Rare Isotope Science Project in Korea
The Rare Isotope Science Project (RISP) is launched in Korea to build the IF and ISOL facilities. Current status of RISP is introduced.
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Article
Open AccessStudy of charmonia in four-meson final states produced in two-photon collisions
We report measurements of charmonia produced in two-photon collisions and decaying to four-meson final states, where the meson is either a charged pion or a charged kaon. The analysis is based on a 395 fb-1 data ...
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Article
Advantages and Limitations of Solid Layer Experiments in Muon Catalyzed Fusion
Since the discovery that muonic deuterium at energies near a few eV could travel distances of the order of 1 mm in condensed hydrogen, and in particular that muonic tritium and muonic deuterium could emerge fr...
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Article
Ramsauer–Townsend Effect in Solid Hydrogen
The TRIUMF E742 experiment has measured the energy dependence of the scattering cross-sections of muonic deuterium and tritium on hydrogen molecules for collisions in the energy range 0.1–45 eV. The experiment...
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Article
Generation of the Ultracold Muonic Hydrogen Flux
We present the study of μp atom scattering in solid hydrogen. Anomalously large emission of E pμ≤1.9 meV μp's from a solid H2 layer was observed for the first time. This three times greater μp a...
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Article
Resonant Scattering of Muonic Hydrogen Atoms and Dynamics of the Muonic Molecular Complex
Resonant scattering of muonic hydrogen atoms via back decay of the molecular complex, a key process in the understanding of epithermal muonic molecular formation, is analyzed. The limitations of the effective ...
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Article
Study of μ-catalyzed fusion in H-D mixtures
Muon-catalyzed fusion was first observed in the pdμ system, and remains a good test of our understanding of the underlying molecular and nuclear processes. In contrast to the ddμ and dtμ systems, no resonant beha...
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Article
Time-of-flight spectroscopy of muonic tritium
Emission of muonic tritium from a solid hydrogen layer has been studied via imaging of the muon-decay electrons and the time-of-flight distributions have been compared with detailed Monte Carlo calculations. R...
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Article
New effects in low energy scattering of pµ atoms
Strong solid state effects in low energy scattering of pµ atoms in solid hydrogen are reported and analyzed. Such effects have been observed in TRIUMF experiment E742 where muons are stopped in thin frozen (3 K) ...
