Search Results - "Hahn, K. I"
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Observation of a correlated free four-neutron system
Published in Nature (London) (23-06-2022)“…A long-standing question in nuclear physics is whether chargeless nuclear systems can exist. To our knowledge, only neutron stars represent near-pure neutron…”
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Pairing Forces Govern Population of Doubly Magic Ca 54 from Direct Reactions
Published in Physical review letters (25-06-2021)“…Direct proton-knockout reactions of Sc-55 at similar to 220 MeV/nucleon were studied at the RIKEN Radioactive Isotope Beam Factory. Populated states of Ca-54…”
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3
Multiple Mechanisms in Proton-Induced Nucleon Removal at ∼100 MeV/Nucleon
Published in Physical review letters (28-04-2023)“…We report on the first proton-induced single proton- and neutron-removal reactions from the neutron-deficient ^{14}O nucleus with large Fermi-surface asymmetry…”
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4
Progress in nuclear astrophysics of east and southeast Asia
Published in AAPPS bulletin (03-08-2021)“…Nuclear astrophysics is an interdisciplinary research field of nuclear physics and astrophysics, seeking for the answer to a question, how to understand the…”
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Quasifree Neutron Knockout from Ca 54 Corroborates Arising N = 34 Neutron Magic Number
Published in Physical review letters (30-09-2019)“…Exclusive cross sections and momentum distributions have been measured for quasifree one-neutron knockout reactions from a Ca-54 beam striking on a liquid…”
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How Robust is the N = 34 Subshell Closure? First Spectroscopy of Ar 52
Published in Physical review letters (21-02-2019)“…The first γ-ray spectroscopy of 52Ar, with the neutron number N = 34, was measured using the 53K(p, 2p) one-proton removal reaction at ~210 MeV/u at the RIBF…”
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7
Nuclear physics research at CENS
Published in Journal of the Korean Physical Society (01-03-2023)“…Understanding fundamental interactions of elementary particles is a long sought goal of nuclear physics study. Nuclear theorists recently estimated about 4000…”
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Detection efficiency calibration for an array of fourteen HPGe detectors
Published in Applied radiation and isotopes (01-03-2023)“…The CUP array of germanium (CAGe) is an array of fourteen high-purity germanium (HPGe) detectors. The detection efficiency of full-energy-peak emitted from the…”
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9
Transition in yield and azimuthal shape modification in dihadron correlations in relativistic heavy ion collisions
Published in Physical review letters (21-06-2010)“…Hard-scattered parton probes produced in collisions of large nuclei indicate large partonic energy loss, possibly with collective produced-medium response to…”
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10
Investigation of 22Mg levels via resonant scattering of 18Ne + α
Published in Frontiers in physics (16-05-2023)“…The α resonant scattering on 18 Ne was measured in inverse kinematics to understand the α -clustering of proton-rich 22 Mg nucleus, performed at the CNS…”
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Study of α-cluster Structure in 22Mg Using a Radioactive Ion Beam
Published in Journal of the Korean Physical Society (2018)“…The α-clusterization of an atomic nucleus has been studied for a long time, even from the earliest days of nuclear physics. Our understanding of the α-cluster…”
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12
CATLIFE (Complementary Arm for Target LIke FragmEnts): Spectrometer for Target like fragments at VAMOS
Published 13-11-2023“…Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms Volume 540, July 2023, Pages 259-261 The…”
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Spectroscopy of deeply bound orbitals in neutron-rich Ca isotopes
Published 05-07-2024“…Phys. Lett. B, 855 (2024),138828 The calcium isotopes are an ideal system to investigate the evolution of shell structure and magic numbers. Although the…”
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14
Particle Identification at VAMOS++ with Machine Learning Techniques
Published 14-11-2023“…Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Volume 541, August 2023, Pages 240-242 Multi-nucleon…”
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15
Creation of quark–gluon plasma droplets with three distinct geometries
Published in Nature physics (01-03-2019)“…Experimental studies of the collisions of heavy nuclei at relativistic energies have established the properties of the quark–gluon plasma (QGP), a state of…”
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Coulomb Dissociation of B 8 and the Be 7 ( p , γ ) B 8 Reaction at Low Energies
Published in Physical review letters (14-11-1994)Get full text
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Level Structures of $^{56,58}$Ca Cast Doubt on a doubly magic $^{60}$Ca
Published 13-07-2023“…Phys. Lett. B 843 (2023) 138025 Gamma decays were observed in $^{56}$Ca and $^{58}$Ca following quasi-free one-proton knockout reactions from $^{57,59}$Sc…”
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KoBRA Wien filter for low-energy RI beam production and recoil separation
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-08-2023)“…The Wien filter is one of the key components in ion optics to improve the mass separation performance. The KoBRA Wien filter will be installed at the…”
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First results from the INDRA-FAZIA apparatus on isospin diffusion in $^{58,64}$Ni+$^{58,64}$Ni systems at Fermi energies
Published 20-05-2022“…An investigation of the isospin equilibration process in the reactions $^{58,64}$Ni+$^{58,64}$Ni at two bombarding energies in the Fermi regime…”
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New fast-timing γ-ray detection system in Korea: KHALA
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-08-2023)“…KHALA, the acronym for Korea high-resolution array of LaBr3(Ce), has been developed to measure the lifetimes of the nuclear excited states. This system…”
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