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NSR database version of April 26, 2024.

Search: Author = X.Q.Yang

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2022MD01      Phys.Rev. C 106, 044325 (2022)

L.Mdletshe, X.Q.Yang, E.A.Lawrie, M.A.Sithole, S.N.T.Majola, S.S.Ntshangase, J.F.Sharpey-Schafer, J.J.Lawrie, S.H.Mthembu, T.D.Bucher, L.Msebi, R.A.Bark, A.A.Avaa, M.V.Chisapi, P.Jones, S.Jongile, Z.P.Li, L.Makhathini, K.L.Malatji, A.A.Netshiya, Z.Shi, B.Y.Song, L.Wang, J.Xiang, S.Q.Zhang

Collective rotational bands at low excitation energy in ¹⁸⁶Os: Vibrational and rotational degrees of freedom

NUCLEAR REACTIONS ¹⁸⁶W(α, 4n), E=48 MeV; measured Eγ, Iγ, γγ-coin. ¹⁸⁶Os; deduced levels, J, π, linear polarization asymmetries, angular distribution ratios, high-spin states, bands structure, staggering parameter; calculated levels, J, π, bands structure, potential energy surfaces, staggering parameter. Five-dimensional collective Hamiltonian based on the covariant density functional theory (5DCH-CDFT) and triaxial rotor model (TRM) calculations. Systematics of the bands alignments for ^{182,184,186,188,190,192}Os isotopes. AFRODITE γ-ray spectrometer consisting of 11 clover HPGe detectors at iThemba LABS Separated-Sector Cyclotron.

doi: 10.1103/PhysRevC.106.044325
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2021YA15      Phys.Rev. C 103, 054321 (2021)

X.Q.Yang, L.J.Wang, J.Xiang, X.Y.Wu, Z.P.Li

Microscopic analysis of prolate-oblate shape phase transition and shape coexistence in the Er-Pt region

NUCLEAR STRUCTURE ^{170,172,174,176,178,180,182,184,186,188,190,192}Er, ^{172,174,176,178,180,182,184,186,188,190,192,194}Yb, ^{174,176,178,180,182,184,186,188,190,192,194,196}Hf, ^{176,178,180,182,184,186,188,190,192,194,196,198}W, ^{178,180,182,184,186,188,190,192,194,196,198,200}Os, ^{180,182,184,186,188,190,192,194,196,198,200,202}Pt; calculated potential-energy surfaces (PES) in (β, γ) plane, E(first 4+)/E(first 2+), E(2+ in γ band)/E(first 2+), excitation energies of the first excited 0+ states, B(E2) for the first 2+ states, spectroscopic quadrupole moments of the first 2+ states, B(E2)(for the 2+ in γ band)/B(E2)(for the first 2+), staggering parameters. ^{184,186,188,190,192,194,196,198}Os; calculated levels, J, π of the ground-state bands, γ bands, and excited 0+ bands, probability density distribution surfaces in (β, γ) plane for the g.s., first excited 0+ state, and 2+ in γ band. ¹⁸⁴Er, ¹⁸⁶Yb; calculated levels, J, π of the ground-state bands, γ bands, and two excited 0+ bands. Self-consistent mean-field (SCMF) calculation with five-dimensional collective Hamiltonian (5DCH) based on covariant density-functional theory (CDFT) with PC-PK1 functional. Comparison with experimental data.

doi: 10.1103/PhysRevC.103.054321
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