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NSR database version of April 27, 2024.

Search: Author = Z.H.Wang

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2022CH18      Phys.Rev. C 105, 034330 (2022)

S.Y.Chang, Z.H.Wang, Yi.F.Niu, W.H.Long

Relativistic random-phase-approximation description of M1 excitations with the inclusion of π mesons

NUCLEAR STRUCTURE ⁴⁸Ca, ⁹⁰Zr, ²⁰⁸Pb; calculated GT^- and M1 strength distributions, magnetic dipole resonance features, B(GT), B(M1), EWSR for M1 transitions, transitions configurations. ⁴⁸Ca; calculated proton and neutron single-particle spectra. Random-phase approximation (RPA) based on the relativistic mean-field (RMF) theory, using the density-dependent effective interactions with contribution of π mesons included as residual interaction. Comparison with experimental values.

doi: 10.1103/PhysRevC.105.034330
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2022HU09      Phys.Lett. B 833, 137345 (2022)

H.Huang, W.Q.Zhang, A.N.Andreyev, Z.Liu, D.Seweryniak, Z.H.Li, C.Y.Guo, A.E.Barzakh, P.Van Duppen, B.Andel, S.Antalic, M.Block, A.Bronis, M.P.Carpenter, P.Copp, J.G.Cubiss, B.Ding, D.T.Doherty, Z.Favier, F.Giacoppo, T.H.Huang, B.Kindler, F.G.Kondev, T.Lauritsen, J.G.Li, G.S.Li, B.Lommel, H.Y.Lu, M.Al Monthery, P.Mosat, Y.F.Niu, C.Raison, W.Reviol, G.Savard, S.Stolze, G.L.Wilson, H.Y.Wu, Z.H.Wang, F.R.Xu, Q.B.Zeng, X.H.Yu, F.F.Zeng, X.H.Zhou

First observation of the decay of the 13/2⁺ isomer in ¹⁸³Hg and B(M2) systematics of neutron transitions across the nuclear chart

RADIOACTIVITY ¹⁸³Hg(α) [from ¹⁸⁷Pb α decay]; ^187mPb(α) [from ¹⁴²Nd(⁵⁰Cr, 3n2pγ), E=255 MeV, followed by separation of fragments using Argonne gas-filled analyzer (AGFA) at the ATLAS-ANL facility]; measured reaction products, evaporation residues (EVRs), Eα, Iα, (EVR)α-correlations, αγ(t), Eγ, Iγ, x rays, T_1/2 using double-sided silicon strip detector (DSSD), and four HPGe clover detectors. ^183,183mHg; deduced levels, isomer, J, π, T_1/2 of g.s. and isomer, α branching ratio, K-conversion coefficient, multipolarity, B(M2), Nilsson configurations. ^187mPb; deduced T_1/2. Systematics of decay schemes of 13/2+ isomers in ^{175,177,179,181,183,185}Hg. Systematics of B(M2) values for 7/2-, 9/2+, 11/2- and 13/2+ isomers in even-Z, odd-N nuclei: ²⁵Mg, ³³Si, ^33,35S, ³⁷Ar, ³⁹Ca, ⁵⁹Cr, ⁶¹Fe, ^63,67Ni, ^63,65,67Zn, ^67,69,71Ge, ^69,71Se, ^97,99Mo, ^99,101,103Ru, ^103,105Pd, ^107,109Cd, ^{109,111,113,115}Sn, ¹⁵³Yb, ¹⁶¹Hf, ¹⁶³W, ¹⁶³Os, ^171,189,191Pt, ^{181,183,201,203,205}Hg, ²⁰⁹Pb, ^205,207,211Po, ^207,209,213Rn, ^209,211Ra, ^211,213Th.

doi: 10.1016/j.physletb.2022.137345
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022ZH22      Phys.Lett. B 829, 137129 (2022)

W.Q.Zhang, A.N.Andreyev, Z.Liu, D.Seweryniak, H.Huang, Z.H.Li, J.G.Li, C.Y.Guo, D.T.Doherty, A.E.Barzakh, P.Van Duppen, J.G.Cubiss, B.Andel, S.Antalic, M.Block, A.Bronis, M.P.Carpenter, P.Copp, B.Ding, Z.Favier, F.Giacoppo, T.H.Huang, X.H.Yu, B.Kindler, F.G.Kondev, T.Lauritsen, G.S.Li, B.Lommel, H.Y.Lu, M.Al Monthery, P.Mosat, Y.F.Niu, C.Raison, W.Reviol, G.Savard, S.Stolze, G.L.Wilson, H.Y.Wu, Z.H.Wang, F.R.Xu, Q.B.Zeng, X.H.Zhou

First observation of a shape isomer and a low-lying strongly-coupled prolate band in neutron-deficient semi-magic ¹⁸⁷Pb

NUCLEAR REACTIONS ¹⁴²Nd(⁵⁰Cr, 3n2p)¹⁸⁷Pb, E=255 MeV beam from ATLAS-ANL facility, followed by separation of evaporation residues (EVRs) using Argonne Gas-Filled Analyzer; measured Eα, Eγ, Iγ, x rays, αγ-coin, γγ-coin, T_1/2 of a new low-energy microsec-isomer by αγ(t) using Gammasphere for γ detection and double-sided silicon strip detector (DSSD) for EVRs and α particles. Recoil-decay tagging (RDT) and isomer-decay tagging (IDT) methods. ¹⁸⁷Pb; deduced high-spin levels, J, π, isomer, K-conversion coefficient, multipolarity, bands, B(E2), B(M1)/B(E2), triple-shape coexistence at low energy. Comparison with band structure in ¹⁸⁵Hg. Systematics of aligned angular momenta plots and experimental Routhians for bands in ^183,185Hg, ¹⁸⁷Pb. ¹⁸⁴Hg, ¹⁸⁶Pb, ¹⁸⁷Tl; observed γ rays. ^186,187m,188Pb; observed α-decay peaks.

doi: 10.1016/j.physletb.2022.137129
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022ZH46      Phys.Rev. C 106, 024317 (2022)

W.Q.Zhang, A.N.Andreyev, Z.Liu, D.Seweryniak, H.Huang, Z.H.Li, J.G.Li, C.Y.Guo, A.E.Barzakh, P.Van Duppen, M.Al Monthery, B.Andel, S.Antalic, M.Block, A.Bronis, M.P.Carpenter, P.Copp, J.G.Cubiss, B.Ding, D.T.Doherty, Z.Favier, F.Giacoppo, T.H.Huang, B.Kindler, F.G.Kondev, T.Lauritsen, G.S.Li, B.Lommel, H.Y.Lu, P.Mosat, Y.F.Niu, C.Raison, W.Reviol, G.Savard, S.Stolze, G.L.Wilson, H.Y.Wu, Z.H.Wang, F.R.Xu, X.H.Yu, Q.B.Zeng, X.H.Zhou

Identification of excited states in ¹⁸⁸Bi and ¹⁸⁸Po

NUCLEAR REACTIONS ¹⁴²Nd(⁵⁰Cr, 3np)¹⁸⁸Bi, (⁵⁰Cr, 4n)¹⁸⁸Po, E=255 MeV; measured evaporation residues (EVRs), Eα, Eγ, Iγ, x rays, (EVR)γ-coin, αγ-coin, γγ-coin, using four clover HPGe detectors, Gammasphere array with 64 Compton-suppressed HPGe detectors, and DSSD and DSSD+Sibox at the ATLAS-ANL accelerator facility. ^{186,187,187m,188}Pb, ^189,189mBi; deduced recoil-decay tagging (RDT) γ-ray yields. ¹⁸⁸Bi; deduced levels, J, π, isomer, T_1/2 and decay modes of isomer, K-conversion coefficients, multipolarities, configurations. ¹⁸⁸Po; deduced energy of the first 2+ level. ¹⁸⁶Pb; deduced levels, J, π. ^183,184,186Hg, ^{186,187,187m,188}Pb, ^188,189,189mBi; observed Eα. Systematics of 9/2-, 1/2+, 7/2- and 13/2+ level energies in ^{185,187,189,191,193,195}Bi, and those of first 2+, 4+, 6+ and 8+, second 0+, 2+ and 4+ in ^{188,190,192,194,196,198,200,202,204,206,208,210}Po.

doi: 10.1103/PhysRevC.106.024317
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Data from this article have been entered in the XUNDL database. For more information, click here.

2016XI07      Phys.Rev. C 93, 054324 (2016)

J.Xiang, J.M.Yao, Y.Fu, Z.H.Wang, Z.P.Li, W.H.Long

Novel triaxial structure in low-lying states of neutron-rich nuclei around A ≈ 100

NUCLEAR STRUCTURE ^{100,102,104,106,108,110}Mo, ⁹⁶Kr, ⁹⁸Sr, ¹⁰⁰Zr, ¹⁰⁴Ru; calculated energy surface contours in (β, γ) plane, low-lying levels, J, π, energies and B(E2) of first 2+ states, reduced diagonal E2 matrix elements, transition quadrupole moments as function of angular momentum, staggering of the γ band using 3DCH prolate and oblate, and 5DCH triaxial configurations. Relativistic mean-field plus BCS wave functions generated with a constraint on triaxial deformations and solving a five-dimensional collective Hamiltonian (5DCH). Comparison with experimental values.

doi: 10.1103/PhysRevC.93.054324
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2015WA11      J.Phys.(London) G42, 045108 (2015)

Z.H.Wang, J.Xiang, W.H.Long, Z.P.Li

Covariant density functional analysis of shape evolution in N = 40 isotones

NUCLEAR STRUCTURE ⁶²Ti, ⁶⁴Cr, ⁶⁶Fe, ⁶⁸Ni, ⁷⁰Zn, ⁷²Ge, ⁷⁴Se, ⁷⁶Kr, ⁷⁸Sr, ⁸⁰Zr; calculated potential energy surfaces, two-proton separation energies, B(E2), J, π; deduced shape coexistence. Comparison with experimental data, relativistic mean-field plus BCS method with the PC-PK1 functional in the particle-hole channel and a separable pairing force in the particle-particle channel.

doi: 10.1088/0954-3899/42/4/045108
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2014WA43      Eur.Phys.J. A 50, 164 (2014)

Q.Wang, J.X.Zou, Z.H.Wang, D.D.Liu, K.H.Fang

Fission cross section for the ²³²Th(n, f)¹³⁸Cs reaction induced by neutrons around 14 MeV

NUCLEAR REACTIONS ²³²Th(n, F), E≈14 MeV; measured ¹³⁸Cs activation Eγ, Iγ; deduced fission σ.

doi: 10.1140/epja/i2014-14164-0
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset32745.