NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = L.L.Liu Found 11 matches. 2024LI04 Phys.Rev. C 109, 014603 (2024) L.-L.Liu, Y.-Y.Liu, X.-L.Huang, J.-M.Wang, Y.-J.Chen, N.-Ch.Shu, Zh.-G.Ge Influence of the spin cut-off parameter on the isomeric cross-section ratio of the (n, 2n) reaction within the Huizenga-Vandenbosch method
doi: 10.1103/PhysRevC.109.014603
2023CH25 Chin.Phys.C 47, 054103 (2023) Y.-J.Chen, Y.Su, L.-L.Liu, G.Dong, Z.Ge, N.Shu, X.Wang Microscopic study of neutron-induced fission process of ^{239}Pu via zero- and finite-temperature density functional theory NUCLEAR REACTIONS ^{239}Pu(n, F), E<15 MeV; calculated potential energy surface (PES) using zero and finite-temperature density functional theory (FT-DFT) with the Skyrme force; deduced the variations of the least-energy fission path, fission barrier, total kinetic energy, scission line, and mass distribution of fission fragments with the incident neutron energy.
doi: 10.1088/1674-1137/acbe2c
2023PO07 Phys.Rev. C 107, 054616 (2023) K.Pomorski, B.Nerlo-Pomorska, C.Schmitt, Z.G.Xiao, Y.J.Chen, L.L.Liu Fourier-over-spheroid shape parametrization applied to nuclear fission dynamics NUCLEAR REACTIONS ^{235}U(n, F), E = thermal; calculated fission fragments mass and charge yields, total kinetic energy (TKE) of fission fragments, post-fission neutron multiplicities, fission fragment excitation energy. 3D Langevin code, based on the Fourier-over-spheroid (FoS) shape parametrization, the LSD+Yukawa folded macroscopic-microscopic potential energy landscape, a procedure to account for charge equilibration at scission, and a method to compute the excitation energy available in the primary fragments. Comparison to experimental data. RADIOACTIVITY ^{246,248,250,252,254,256,258,260,262}Fm(SF); calculated fission fragment mass yields distribution, total kinetic energy (TKE) of fission fragments, post-fission neutron multiplicities. Comparison to experimental data. NUCLEAR STRUCTURE ^{236}U, ^{252,254,256,258,260,262}Fm; calculated potential energy surfaces. ^{240}Pu; calculated energy at scission as a function of the heavy fragment charge number, Wigner distribution probability of the fission fragment charge number.
doi: 10.1103/PhysRevC.107.054616
2023PO11 Acta Phys.Pol. B54, 9-A2 (2023) K.Pomorski, A.Dobrowolski, B.Nerlo-Pomorska, M.Warda, A.Zdeb, J.Bartel, H.Molique, C.Schmitt, Z.G.Xiao, Y.J.Chen, L.L.Liu Fission Fragment Mass and Kinetic Energy Yields of Fermium Isotopes NUCLEAR STRUCTURE ^{246,248,250,252,254,256,258,260,262}Fm; analyzed available data; deduced the post-fission neutron multiplicities, potential energy surfaces.
doi: 10.5506/APhysPolB.54.9-A2
2022CH15 Chin.Phys.C 46, 024103 (2022) Y.-J.Chen, Y.Su, G.Dong, L.-L.Liu, Z.Ge, X.Wang Energy density functional analysis of the fission properties of ^{240}Pu: The effect of pairing correlations NUCLEAR STRUCTURE ^{240}Pu; calculated the potential energy surfaces up to the scission point using the density functional theory with different pairing strengths to investigate the effect of pairing correlations on its fission properties; deduced enhancement in the pairing correlations lowers the barrier heights, isomeric state, and ridge between the symmetric and asymmetric fission valleys significantly.
doi: 10.1088/1674-1137/ac347a
2022LI16 Phys.Rev. C 105, 034614 (2022) L.-L.Liu, X.-Z.Wu, Y.-J.Chen, C.-W.Shen, Z.-G.Ge, Z.-X.Li Impact of nuclear dissipation on the fission dynamics within the Langevin approach NUCLEAR REACTIONS ^{237,238,239,240,241,242,243,244}Am, ^{235,236,237,238,239,240,241,242}Pu, ^{233,234,235,236,237,238,239,240}Np, ^{232,233,234,235,236,237,238,239}U(n, F), E=14 MeV; calculated fission fragments mass distributions, total kinetic energy (TKE) distributions, influences of the strength of friction tensor on the fragments distributions. Studied systematic dependence of the averaged TKE on the Coulomb parameter. Three-dimensional Langevin approach. Comparison to the evaluated data from ENDF/B-VIII.0 and results calculated with GEF model.
doi: 10.1103/PhysRevC.105.034614
2022LI65 Chin.Phys.C 46, 124101 (2022) L.-L.Liu, X.-Z.Wu, Y.-J.Chen, C.-W.Shen, Z.-X.Li, Z.-G.Ge, N.-C.Shu Influence of the neck parameter on the fission dynamics within the two-center shell model parametrization NUCLEAR REACTIONS ^{235}U(n, F), E=14 MeV; calculated the total kinetic energy (TKE) distributions.
doi: 10.1088/1674-1137/ac8867
2021CH39 Chin.Phys.C 48, 084101 (2021) Y.-J.Chen, Y.-Y.Liu, L.-L.Liu, F.-Y.Wang, Y.-X.Zhang Understanding the isoscaling relationship in the fissioning system with evaluated data NUCLEAR REACTIONS ^{233,235}U(n, F), E<20 MeV; analyzed available data; deduced isoscaling parameters in the fissioning systems. ENDF/B-VIII.0 and JEFF-3.3 evaluated libraries.
doi: 10.1088/1674-1137/ac0035
2021LI21 Phys.Rev. C 103, 044601 (2021) L.-L.Liu, Y.-J.Chen, X.-Z.Wu, Z.-X.Li, Z.-G.Ge, K.Pomorski Analysis of nuclear fission properties with the Langevin approach in Fourier shape parametrization NUCLEAR REACTIONS ^{235}U(n, F), E=14 MeV; calculated deformation energy contour for ^{236}U in (q_{2}, q_{3}) plane, total kinetic energy (TKE) as function of the heavy fission fragment, mass distribution of fission fragments, mass-energy correlation of the fission fragments, correlations between the distance of the mass centers of two fragments and the heavy fragment mass at the scission point, correlation between neck parameter and the elongation parameter at the scission point. ^{233,236,238}U, ^{239}Pu(n, F), E=14 MeV; calculated fragment mass distributions, total kinetic energy (TKE) and the probability distributions. Langevin approach for nuclear fission within the Fourier shape parametrization, with the potential energy from macroscopic-microscopic model based on Lublin-Strasbourg drop model and Yukawa-folded potential. Comparison with experimental data, and with evaluated data in ENDF/B-VIII.0.
doi: 10.1103/PhysRevC.103.044601
2019LI16 Phys.Rev. C 99, 044614 (2019) L.-L.Liu, X.-Z.Wu, Y.-J.Chen, C.-W.Shen, Z.-X.Li, Z.-G.Ge Study of fission dynamics with a three-dimensional Langevin approach NUCLEAR REACTIONS ^{233,238}U, ^{239}Pu(n, F), E=14 MeV; ^{235}U(n, F), E=thermal, 14, 25, 35, 45, 55 MeV; calculated fragment mass distributions, total kinetic energy (TKE) of heavy mass fragments, fission time distribution, and elongation and averaged nuclear shape at scission for ^{235}U+n at 14 MeV, potential energy surface for ^{236}U. Three-dimensional Langevin model, with the potential energy surface calculated with the macroscopic-microscopic model based on two-center shell model. Comparison with experimental data, results of GEF code and the evaluated data in ENDF/B-VIII.0 library.
doi: 10.1103/PhysRevC.99.044614
2016HU12 Chin.Phys.C 40, 084102 (2016) X.L.Huang, M.-X.Kang, L.-L.Liu, J.-M.Wang, X.-J.Chen The excitation functions of ^{187}Re(n, 2n) ^{186m, g}Re reactions NUCLEAR REACTIONS ^{187}Re(n, 2n), E=14.8 MeV; analyzed available data; calculated σ for ground and isomeric states using UNF code; deduced s new ground state value for the emission probability.
doi: 10.1088/1674-1137/40/8/084102
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