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NSR database version of April 11, 2024.

Search: Author = N.Wan

Found 16 matches.

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2023MY05      Phys.Rev. C 108, 064314 (2023)

T.Myo, M.Lyu, Q.Zhao, M.Isaka, N.Wan, H.Takemoto, H.Horiuchi

Variation of multi-Slater determinants in antisymmetrized molecular dynamics and its application to 10Be with various clustering

doi: 10.1103/PhysRevC.108.064314
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2023TA08      Phys.Rev. C 107, 044304 (2023)

H.Takemoto, T.Myo, H.Horiuchi, H.Toki, M.Isaka, M.Lyu, Q.Zhao, N.Wan

Appearance of the Hoyle state and its breathing mode in 12C despite strong short-range repulsion of the nucleon-nucleon potential

NUCLEAR STRUCTURE 8Be; calculated trajectories of the eigenstates of 0+ and 2+, energy and rms radius of the ground state. 12C; calculated levels, J, π, rms radii and energies of the monopole transition of the nine lowest eigenstates, monopole transition matrix elements, trajectories of the eigenstates of 0+. Calculations using 3α cluster model (Bloch–Brink wave function) using the AV4P potential, which has a strong repulsive core. Comparison to experimental data and other theoretical calculations.

doi: 10.1103/PhysRevC.107.044304
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2022IS08      Phys.Rev. C 106, 044310 (2022)

M.Isaka, Q.Zhao, T.Myo, M.Lyu, H.Toki, H.Horiuchi, H.Takemoto, N.Wan

Role of spatially compact nucleon wave packets in an ab initio description of 3H within high-momentum antisymmetrized molecular dynamics

NUCLEAR STRUCTURE 3H; calculated total energy, rms radii. Calculations describing the nucleon correlations by utilizing high-momentum antisymmetrized molecular dynamics (HM-AMD) with Argonne V8' potential. Comparison of the results with and without the spinparallel configuration. Comparison to other theoretical calculations.

doi: 10.1103/PhysRevC.106.044310
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2022LE04      Eur.Phys.J. A 58, 58 (2022)

S.Lei, S.Li, Q.Zhao, N.Wan, M.Lyu, Z.Ren, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki, C.Xu, B.Zhou

Investigating the proton-halo structure of 8B via the extended THSR wave function

NUCLEAR STRUCTURE 8B; calculated standard deviation of the ground state Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave function, contour maps of the energy surface, spatial matter density and valence density distribution, proton density distributions, rms radii and quadrupole moments; deduced proton halo structure in the ground state.

doi: 10.1140/epja/s10050-022-00705-x
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2022MY01      Phys.Rev. C 105, 014317 (2022)

T.Myo, M.Lyu, H.Toki, H.Horiuchi, Q.Zhao, M.Isaka, H.Takemoto, N.Wan

New many-body method using cluster expansion diagrams with tensor-optimized antisymmetrized molecular dynamics

NUCLEAR STRUCTURE 3H, 4He; calculated total energy and Hamiltonian components of the kinetic energy, central force, and tensor force using a new variational method of tensor optimized antisymmetrized molecular dynamics (New-TOAMD) with AV6' potential. Comparison with other theoretical calculations such as TOAMD, Green's function Monte Carlo (GFMC) and Faddeev-Yakubovsky (FY).

doi: 10.1103/PhysRevC.105.014317
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2022WA32      Phys.Rev. C 106, 034308 (2022)

N.Wan, T.Myo, H.Takemoto, H.Toki, C.Xu, H.Horiuchi, M.Isaka, M.Lyu, Q.Zhao

Finite particle-number description of symmetric nuclear matter with spin excitations of high-momentum pairs induced by the tensor force

doi: 10.1103/PhysRevC.106.034308
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2021WA50      Phys.Rev. C 104, 064320 (2021)

N.Wan, J.Fan

Systematical calculations on α-cluster preformation factors and decay half-lives of light nuclei near the recently observed α emitters 108Xe and 104Te

RADIOACTIVITY 104,105,106,107,108,109,110Te, 108,109,110,111,112,113Xe, 114Ba, 108,109,110,111,112,113I, 112,114Cs(α); calculated α-cluster preformation factors and α-decay half-lives using cluster-formation model (CFM) and density-dependent cluster model (DDCM), with experimental nuclear binding energies from AME2020 and theoretical energies from the improved Weizsacker-Skyrme formula (WS4) mass table. Comparison of α-decay half-lives with experimental values.

doi: 10.1103/PhysRevC.104.064320
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2021ZH34      Prog.Theor.Exp.Phys. 2021, 063D02 (2021)

Q.Zhao, M.Isaka, T.Myo, M.Lyu, H.Toki, H.Horiuchi, H.Takemoto, N.Wan

Role of the unitary correlation operator on high-momentum antisymmetrized molecular dynamics using the bare NN interaction for 3H and 4He

NUCLEAR STRUCTURE 3H, 4He; calculated binding energies using high-momentum antisymmetrized molecular dynamics (HMAMD) by incorporating the short-range part of the unitary correlation operator method (UCOM) as the variational method.

doi: 10.1093/ptep/ptab058
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2020LY01      Phys.Lett. B 805, 135421 (2020)

M.Lyu, T.Myo, H.Toki, H.Horiuchi, C.Xu, N.Wan

High-momentum components in the 4He nucleus caused by inter-nucleoncorrelations

NUCLEAR STRUCTURE 4He; calculated momentum distributions using two-kinds of the wave functions of TO-HMAMD and TOAMD, Probabilities of each orthogonal component of AMD, central, tensor, and many-body in the TO-HMAMD wave function, decomposition of the high momentum component of the 4He nucleus.

doi: 10.1016/j.physletb.2020.135421
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2020WA32      Chin.Phys.C 44, 124104 (2020)

N.Wan, T.Myo, C.Xu, H.Toki, H.Horiuchi, M.Lyu

Finite particle number description of neutron matter using the unitary correlation operator and high-momentum pair method

NUCLEAR STRUCTURE N=66; calculated the nuclear equation of state (EOS) using bare Argonne nucleon-nucleon (NN) interactions.

doi: 10.1088/1674-1137/abb4d1
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2020WA33      J.Phys.(London) G47, 055107 (2020)

N.Wan, C.Xu, X.Zhang

Density dependence of the symmetry energy constrained by β--, 2β--, and 4β--decay energies

doi: 10.1088/1361-6471/ab7985
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2019MY01      Phys.Rev. C 99, 024312 (2019)

T.Myo, H.Takemoto, M.Lyu, N.Wan, C.Xu, H.Toki, H.Horiuchi, T.Yamada, K.Ikeda

Variational calculation of nuclear matter in a finite particle number approach using the unitary correlation operator and high-momentum pair methods

NUCLEAR STRUCTURE A=28, 76, 108, 132, 228, 324, 0-1500; N=14, 38, 54, 66, 114, 162, 0-800; calculated numbers of 2p2h configurations, total, kinetic, and potential energy per particle in symmetric nuclear matter and neutron matter using the unitary correlation operator method for central correlations, and two-particle two-hole (2p2h) excitations involving a large relative and high-momentum pair (UCOM+HM). Comparison with Brueckner-Hartree-Fock and auxiliary field diffusion Monte Carlo calculations.

doi: 10.1103/PhysRevC.99.024312
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2018WA11      Phys.Rev. C 97, 051302 (2018)

N.Wan, C.Xu, Z.Ren, J.Liu

Constraints on both the quadratic and quartic symmetry energy coefficients by 2β--decay energies

ATOMIC MASSES Z<105, N<155, A=22-254; analyzed quadratic and quartic volume symmetry energy coefficients using Q(2β-) energies for 449 (N-Z)>10 nuclei from AME-2012; derived a formula to calculate Q(2β-) using modified Bethe-Weizsacker nuclear mass formula.

doi: 10.1103/PhysRevC.97.051302
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2017WA41      Phys.Rev. C 96, 044331 (2017)

N.Wan, C.Xu, Z.Ren, J.Liu

Constraints on both the symmetry energy E20) and its density slope L 20) by cluster radioactivity

RADIOACTIVITY 221Fr, 221,222,223,224,226Ra, 225Ac(14C); 228Th(20O); 230Th, 231Pa, 232,233,235U(24Ne); 233,235U(25Ne); 234,236U, 236,238Pu(28Mg); 236U, 238Pu(30Mg); 242Cm(34Si); calculated half-lives of cluster decays, constraining both the quadratic symmetry energy and the quartic symmetry energy at the saturation density, as well as their density slopes; deduced exponent of the quadratic density-dependent symmetry energy and the ratio of the surface symmetry coefficient to the volume symmetry coefficient. Density-dependent cluster model (DDCM). Comparison with available experimental data.

doi: 10.1103/PhysRevC.96.044331
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2016WA26      Phys.Rev. C 94, 044322 (2016)

N.Wan, C.Xu, Z.Ren

Density slope of the symmetry energy L(ρ0) constrained by proton radioactivity

RADIOACTIVITY 146,147Tm, 150,151Lu, 156,157Ta, 160,161Re, 165,166,167Ir, 171Au, 185Bi(p); calculated half-lives, spectroscopic factors using density-dependent cluster model (DDCM), based on fundamental Hugenholtz-Van Hove (HVH) theorem and cluster radioactivity; deduced density slope as function of neutron skin thickness, influence of nuclear deformation on density slope. Comparison with experimental data.

doi: 10.1103/PhysRevC.94.044322
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2015WA24      Phys.Rev. C 92, 024301 (2015)

N.Wan, C.Xu, Z.Ren

Effects of electron screening on α-decay half-lives in different external environments

RADIOACTIVITY Z=52-105(α); 160,162,163,168Re, 235U(α); calculated α-decay half-lives considering the electron screening effects in several different external environments, including bare nuclei. Density-dependent cluster model (DDCM).

doi: 10.1103/PhysRevC.92.024301
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