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NSR database version of April 26, 2024.

Search: Author = H.Y.Meng

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2022GU04      Phys.Lett. B 828, 137010 (2022)

S.Guo, X.H.Zhou, C.M.Petrache, E.A.Lawrie, S.H.Mthembu, Y.D.Fang, H.Y.Wu, H.L.Wang, H.Y.Meng, G.S.Li, Y.H.Qiang, J.G.Wang, M.L.Liu, Y.Zheng, B.Ding, W.Q.Zhang, A.Rohilla, K.R.Muhki, Y.Y.Yang, H.J.Ong, J.B.Ma, S.W.Xu, Z.Bai, H.L.Fan, J.F.Huang, J.H.Li, J.H.Xu, B.F.Lv, W.Hua, Z.G.Gan, Y.H.Zhang

Probing the nature of the conjectured low-spin wobbling bands in atomic nuclei

NUCLEAR REACTIONS ¹⁷⁵Lu(¹⁸O, 6n)¹⁸⁷Au, E=108 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, partial level scheme, B(M1)/B(E2), polarization, mixing ratios, low-spin wobbling bands. The Heavy Ion Research Facility in Lanzhou (HIRFL), China.

doi: 10.1016/j.physletb.2022.137010
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2022ME01      Phys.Rev. C 105, 014315 (2022)

H.-Y.Meng, H.-L.Wang, M.-L.Liu

Resolution of a possible misinterpretation of the nuclear excitation mode along the yrast line: An investigation on the evolution of rotation and vibration

NUCLEAR STRUCTURE ^{98,100,102,104,106,108}Mo, ^{100,102,104,106,108,110}Ru, ^{102,104,106,108,110,112}Pd, ^{104,106,108,110,112,114}Cd, ^{118,120,122,124,126,128}Ba, ^{156,158,160,162}Gd, ^{158,160,162,164}Dy, ^{170,172,174,176}Yb, ^{156,158,160,162,164,166,174,176,178,180}Hf, ^{160,162,164,166,168,170,180,182,184,186}W, ^{236,238,240,242}Pu; calculated centipede-like E-GOS curves along the yrast sequences for ¹⁰²Ru, ¹¹⁰Cd, ¹⁵⁶Gd, and ¹⁶⁰Dy, β₂ deformations, kinematic moments of inertia, total Routhian surfaces in (β₂, γ) plane, and aligned angular momenta; extracted ground-state β₂ deformations from measured electric quadrupole moments and reduced transition probabilities B(E2), E(first 4+)/E(first 2+) ratios and P factors. Centipede-like E-GOS (E-gamma over spin) empirical approach for evolution between vibration and rotation in nuclei as a function of spin. Comparison with experimental data.

doi: 10.1103/PhysRevC.105.014315
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2022ME02      Phys.Rev. C 105, 014329 (2022)

H.-Y.Meng, H.-L.Wang, M.-L.Liu

Landscape appreciation of systematic structure properties in even-even nuclei along the valley of stability

NUCLEAR STRUCTURE Z=6-100; calculated N_pN_n/(N_p+N_n) factors for even-even nuclei, plotted E(first 4+)/E(first 2+) ratio from literature. Z=10-118; calculated ground-state equilibrium deformations β₂, γ, β₄, binding energies, S(2p), S(2n) for even-even nuclei along the β-stability line. Improved potential-energy-surface (PES) approach with fitted macroscopic model parameters and compared with available experimental data, and other theoretical calculations.

COMPILATION Z=2-118; compiled and plotted experimental T_1/2 of ground states, S(2n) and S(2p) for 59 Z-chains; discussed observed trends and anomalous behavior.

doi: 10.1103/PhysRevC.105.014329
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2021DI09      Phys.Rev. C 104, 064304 (2021)

B.Ding, C.M.Petrache, S.Guo, E.A.Lawrie, I.Wakudyanaye, Z.H.Zhang, H.L.Wang, H.Y.Meng, D.Mengoni, Y.H.Qiang, J.G.Wang, C.Andreoiu, A.Astier, A.Avaa, T.Back, R.A.Bark, D.Bazzacco, A.Boso, T.D.Bucher, B.Cederwall, M.V.Chisapi, H.L.Fan, F.Galtarossa, F.H.Garcia, A.Goasduff, G.Jaworski, P.Jones, I.Kuti, J.J.Lawrie, G.S.Li, R.Li, M.L.Liu, Z.Liu, B.Lomberg, B.F.Lv, T.Marchlewski, L.Mdletshe, L.Msebi, S.H.Mthembu, D.R.Napoli, A.Netshiya, M.F.Nkalanga, J.N.Orce, K.Ortner, F.Recchia, S.Riccetto, A.Rohilla, T.W.Seakamela, M.Siciliano, M.A.Sithole, D.Sohler, J.Srebrny, D.Testov, A.Tucholski, J.J.Valiente-Dobon, F.Wentzel, K.Whitmore, Y.H.Zhang, K.K.Zheng, X.H.Zhou, B.R.Zikhali

Signature splitting of the g_7/2 [404] 7/2⁺ bands in ¹³¹Ba and ¹³³Ce

NUCLEAR REACTIONS ¹²²Sn(¹³C, 4nγ)¹³¹Ba, E=65 MeV from XTU Tandem accelerator at LNL-Legnaro; ¹²⁵Te(¹²C, 4nγ)¹³³Ce, E=57 MeV from separated sector cyclotron of iThemba LABS; measured Eγ, Iγ, γγ-coin, γγ(θ) using GALILEO array of 25 Compton-suppressed HPGe detectors, EUCLIDES silicon ball for charged particles and the Neutron Wall array for neutrons for ¹³¹Ba at Legnaro, and AFRODITE array of eight Compton-suppressed clover detectors for ¹³³Ce at iThemba LABS. ¹³¹Ba, ¹³³Ce; deduced high-spin levels, multipolarities, J, π, bands, quasiparticle alignments, dynamical moments of inertia, signature splittings and configurations. Comparison with cranked shell model and quasiparticle-plus-triaxial-rotor model calculations.

doi: 10.1103/PhysRevC.104.064304
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2018ME08      Prog.Theor.Exp.Phys. 2018, 103D02 (2018)

H.-Y.Meng, Y.-W.Hao, H-L.Wang, M.-L.Liu

Signature of yrast-state structure in even-even hafnium isotopes based on traditional total-Routhian-surface calculations and novel E-GOS curves

doi: 10.1093/ptep/pty107
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2016HO20      Chin.Phys.C 40, 114102 (2016)

S.Hong, Y.-W.Yang, H.-S.Xu, H.-Y.Meng, L.Zhang, Z.-Q.Liu, Y.-C.Gao, K.Chen

Application of Origen2.1 in the decay photon spectrum calculation of spallation products

doi: 10.1088/1674-1137/40/11/114102
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2008ZH01      Chinese Physics B 17, 140 (2008)

Y.-X.Zhang, H.-Y.Meng, T.-T.Shi

Resonances of a hydrogen atom in strong parallel electric and magnetic fields using B-spline basis sets

ATOMIC PHYSICS ¹H; calculated ground and excited resonance parameters for Hydrogen atom in parallel electric and magnetic fields using the B-spline basis set plus a complex scaling method.

doi: 10.1088/1674-1056/17/1/025
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