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NSR database version of April 26, 2024.

Search: Author = S.I.Nam

Found 15 matches.

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2023KI09      Phys.Rev. C 107, 065202 (2023)

S.-H.Kim, J.K.Ahn, S.H.Kim, S.-i.Nam, M.-K.Cheoun

Double-strangeness exchange reactions in a hybrid Regge-plus-resonance approach

NUCLEAR REACTIONS 1H(K-, K+Ξ-), (K-, K0Ξ0), √ s=1.8-3.1 GeV; 1NN(K-, K0Ξ-), √ s=2.02 GeV; calculated σ(E), σ(θ), contributions from the s-channel hyperon resonances, contribution from rescattering. Effective Lagrangian approach based on a hybrid Regge-plus-resonance model with rescattering diagrams. Comparison to available experimental data.

doi: 10.1103/PhysRevC.107.065202
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2022HU11      Phys.Rev. C 106, 035802 (2022)

P.T.P.Hutauruk, H.Gil, S.-il.Nam, C.H.Hyun

Effect of nucleon effective mass and symmetry energy on the neutrino mean free path in a neutron star

doi: 10.1103/PhysRevC.106.035802
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2021KI10      Phys.Rev. C 104, 045202 (2021)

S.-H.Kim, T.-S.H.Lee, S.-i.Nam, Y.Oh

Dynamical model of φ meson photoproduction on the nucleon and 4He

NUCLEAR REACTIONS 1H(γ, pφ), E=1-400 GeV; calculated total σ(E) forphotoproduction of ρ0, φ, and J/ψ, total σ(E). 1H(γ, pφ), E=1.985-2.815 GeV; calculated differential σ(θ, E), total σ(E), and compared with experimental data from CLAS Collaboration and other experiments. 4He(γ, αφ), E=1.5-3 GeV; calculated differential σ(θ, E), and compared with experimental data from LEPS Collaboration and other experiments. Dynamical model based on a Hamiltonian describing production mechanisms by the Pomeron and meson exchanges.

doi: 10.1103/PhysRevC.104.045202
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2020KI07      Phys.Rev. C 101, 065201 (2020)

S.-H.Kim, S.-iL.Nam

Investigation of electroproduction of φ mesons off protons

NUCLEAR REACTIONS 1H(γ, pφ), (polarized γ, pφ), E=2-10.5 GeV; calculated total, transverse, and longitudinal σ(E), interference cross sections using the gauge-invariant effective Lagrangians in the tree-level Born approximation. Comparison of calculated differential cross sections with experimental data from CLAS Collaboration.

doi: 10.1103/PhysRevC.101.065201
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2019KI09      Phys.Rev. C 100, 065208 (2019)

S.-H.Kim, S.-il.Nam

Pomeron, nucleon-resonance, and (0+, 0-, 1+) meson contributions in φ-meson photoproduction

NUCLEAR REACTIONS 1H(γ, φ)p, E=1-100 GeV; analyzed experimental data from CLAS Collaboration for total σ(E), differential σ(E, θ), and spin-density matrix elements in the Gottfried-Jackson, Adair, and helicity frames, based on the effective Lagrangian approach in the tree-level Born approximation; deduced significant role of meson and nucleon-resonance contributions, in addition to those from Pomeron exchange, in reproducing experimental cross sections.

doi: 10.1103/PhysRevC.100.065208
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2019NA14      Phys.Rev. C 100, 015205 (2019)

S.-i.Nam, A.Hosaka

Photoproduction and electroproduction of Λ(1405) via γ(*)p → K*+π0Σ0

NUCLEAR REACTIONS 1H(γ, K+π0Σ0), E not given; calculated invariant-mass plots, electromagnetic form factors, and beam asymmetries using effective Lagrangian method. Investigated vector K*-meson coupling constant with Λ(1405) and discussed experimental method for determining the coupling.

doi: 10.1103/PhysRevC.100.015205
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2010NA01      Phys.Rev. C 81, 015201 (2010)

S.-il.Nam

Polarization transfer coefficients Cx and Cz in the γp → K+ Λ(1520, 3/2-) reaction process

doi: 10.1103/PhysRevC.81.015201
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2010NA11      Phys.Rev. C 81, 055206 (2010)

S.-i.Nam, C.-W.Kao

Λ(1520) photoproduction off a proton target with Regge contributions

doi: 10.1103/PhysRevC.81.055206
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2006CH21      Phys.Lett. B 636, 253 (2006)

K.-S.Choi, S.-I.Nam, A.Hosaka, H.-C.Kim

A new N*(1675) resonance in the γN → ηN reaction

NUCLEAR REACTIONS 1n, 1H(γ, X), E(cm)=1.4-1.9 GeV; calculated η production σ, resonance features. Effective Lagrangians and Born approximation, comparison with data.

doi: 10.1016/j.physletb.2006.03.058
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2006NA04      Phys.Lett. B 633, 483 (2006)

S.-I.Nam, A.Hosaka, H.-C.Kim

Suppression of Θ+(JP = 3/2±)-photoproduction from the proton

NUCLEAR REACTIONS 1n, 1H(γ, X), E=1.73-2.10 GeV; calculated pentaquark production σ, σ(E, θ). Effective Langrangians, comparison with data.

doi: 10.1016/j.physletb.2005.12.059
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2006NA24      Phys.Rev. C 74, 025204 (2006)

S.-Il.Nam, A.Hosaka, H.-C.Kim

Pentaquark Θ+ production via γ N → (K-bar)*Θ+(3/2±)

NUCLEAR REACTIONS 1n, 1H(γ, X), E=2.5-3.5 GeV; calculated pentaquark production σ, σ(θ), asymmetry.

doi: 10.1103/PhysRevC.74.025204
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2006NA35      J.Korean Phys.Soc. 49, 1928 (2006)

S.Il.Nam, H.-C.Kim, A.Hosaka

Photo-Production of the Pentaquark Θ+ with Positive and Negative Parities

NUCLEAR REACTIONS 1n, 1H(γ, X), E=1.7-2.6 GeV; calculated pentaquark production σ. 1n, 1H(γ, X), E(cm)=2.1 GeV; calculated pentaquark production σ(θ).


2005NA24      Nucl.Phys. A755, 423c (2005)

S.I.Nam, A.Hosaka, H.Ch.Kim

Determination of the parity of the pentaquark baryons : Θ+ and Ξ5

NUCLEAR REACTIONS 1H(polarized p, Σ+X), (K0, X), E(cm) ≈ 2.7-2.8 GeV; calculated pentaquark production σ, σ(θ), dependence on parity.

doi: 10.1016/j.nuclphysa.2005.03.049
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2004NA31      Phys.Lett. B 602, 180 (2004)

S.-I.Nam, A.Hosaka, H.-C.Kim

Threshold production of the Θ+ in a polarized proton reaction

NUCLEAR REACTIONS 1H(polarized p, X), E(cm)=2.72-2.82 GeV; calculated pentaquark production σ, σ(θ), analyzing powers.

doi: 10.1016/j.physletb.2004.09.035
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2003HY03      Phys.Rev. C 68, 018201 (2003)

T.Hyodo, S.I.Nam, D.Jido, A.Hosaka

Flavor SU(3) breaking effects in the chiral unitary model for meson-baryon scatterings

NUCLEAR REACTIONS 1H(K-, X), E at 50-300 MeV/c; analyzed σ, branching ratios, symmetry breaking effects. Chiral unitary model.

doi: 10.1103/PhysRevC.68.018201
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