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NSR database version of May 2, 2024.

Search: Author = J.Geng

Found 7 matches.

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2023GE01      Chin.Phys.C 47, 044102 (2023)

J.Geng, Y.F.Niu, W.H.Long

Unified mechanism behind the even-parity ground state and neutron halo of ¹¹Be

NUCLEAR STRUCTURE ^10,11,12Be; calculated binding and one-neutron, two-neutron separation energies, neutron orbits with respect to the deformation, interaction matrix elements between a selected neutron and the core orbits using the axially deformed relativistic Hartree-Fock-Bogoliubov (D-RHFB) model. Comparison with available data.

doi: 10.1088/1674-1137/acb7cd
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2023HU03      Eur.Phys.J. A 59, 4 (2023)

Y.Huang, J.T.Zhang, Y.Kuang, J.Geng, X.L.Tu, K.Yue, W.H.Long, Z.P.Li

Matter radius determination of ₁₆O via small-angle differential cross sections

NUCLEAR REACTIONS ¹⁶O(p, p), E=200-700 MeV; analyzed available data; deduced σ(α) using the Glauber model, precise matter radii.

doi: 10.1140/epja/s10050-022-00912-6
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2023HU19      Phys.Lett. B 847, 138293 (2023)

Y.Huang, L.Xayavong, X.L.Tu, J.Geng, Z.P.Li, J.T.Zhang, Z.H.Li

Neutron rearrangement of the magic number ⁹⁰Zr-core determined by the matter density difference between ⁹⁰Zr and ⁹²Zr

NUCLEAR REACTIONS ^90,92Zr(p, p), E=0.8 GeV; analyzed available data; deduced matter density distributions and root-mean-square matter radii through fitting the small-angle σ(θ) of proton elastic scattering with the Glauber model.

doi: 10.1016/j.physletb.2023.138293
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2022GE02      Phys.Rev. C 105, 034329 (2022)

J.Geng, W.H.Long

Relativistic Hartree-Fock-Bogoliubov model for axially deformed nuclei

NUCLEAR STRUCTURE ²⁴Mg, ¹⁵⁶Sm; calculated binding energies, quadrupole deformation, neutron and proton single particle spectra. Axially deformed relativistic Hartree-Fock-Bogoliubov (D-RHFB) model with spherical Dirac Woods-Saxon (DWS) base. Comparison to experimental data.

doi: 10.1103/PhysRevC.105.034329
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2021YA02      Phys.Rev. C 103, 014304 (2021)

S.Yang, X.D.Sun, J.Geng, B.Y.Sun, W.H.Long

Liquid-gas phase transition of thermal nuclear matter and the in-medium balance between nuclear attraction and repulsion

doi: 10.1103/PhysRevC.103.014304
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2020GE01      Phys.Rev. C 101, 064302 (2020)

J.Geng, J.Xiang, B.Y.Sun, W.H.Long

Relativistic Hartree-Fock model for axially deformed nuclei

NUCLEAR STRUCTURE ²⁰Ne, ⁵⁶Fe, ^{182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214}Pb, ²²⁰Rn; calculated binding energies and quadrupole deformations. ²⁰Ne; calculated neutron and proton single particle energies, neutron valence orbit splitting, and proportions of the main components in expanding the neutron 2[1/2]+ orbit. Axially deformed relativistic Hartree-Fock (RHF) model using the spherical Dirac Woods-Saxon (DWS), and density-dependent meson-nucleon couplings.

doi: 10.1103/PhysRevC.101.064302
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2019GE09      Phys.Rev. C 100, 051301 (2019)

J.Geng, J.J.Li, W.H.Long, Y.F.Niu, S.Y.Chang

Pseudospin symmetry restoration and the in-medium balance between nuclear attractive and repulsive interactions

NUCLEAR STRUCTURE ⁴⁸Ca, ⁹⁰Zr, ¹³²Sn, ²⁰⁸Pb, ³¹⁰126; calculated Proton shell gaps and the splittings of the neighboring pseudospin symmetry (PS) partners using RMF Lagrangians PKA1, PKO3, and the RMF ones DD-ME2, PK1, NL3*, and compared with available experimental data. ²⁰⁸Pb; calculated contributions to the binding energy from various channels given by the RHF Lagrangian PKA1, proton pseudospin orbital (PSO) splittings using PKA1, PKO3, DD-ME2, and the tentative parametrizations. Relativistic Hartree-Fock (RHF) approach.

doi: 10.1103/PhysRevC.100.051301
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