NSR Query Results

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NSR database version of April 26, 2024.

Search: Author = W.Z.Xu

Found 14 matches.

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2024GU06      Phys.Rev.Lett. 132, 092501 (2024)

R.J.Guo, S.Y.Wang, C.Liu, R.A.Bark, J.Meng, S.Q.Zhang, B.Qi, A.Rohilla, Z.H.Li, H.Hua, Q.B.Chen, H.Jia, X.Lu, S.Wang, D.P.Sun, X.C.Han, W.Z.Xu, E.H.Wang, H.F.Bai, M.Li, P.Jones, J.F.Sharpey-Schafer, M.Wiedeking, O.Shirinda, C.P.Brits, K.L.Malatji, T.Dinoko, J.Ndayishimye, S.Mthembu, S.Jongile, K.Sowazi, S.Kutlwano, T.D.Bucher, D.G.Roux, A.A.Netshiya, L.Mdletshe, S.Noncolela, W.Mtshali

Evidence for Chiral Wobbler in Nuclei

NUCLEAR REACTIONS ⁵⁸Ni(¹⁹F, n2p)⁷⁴Br, E=62 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies, the angular distribution from oriented state (ADO) ratios and linear polarization values for the representative linking transitions between bands, level T_1/2, partial level scheme, J, π, B(E2), bands, one-phonon wobbling excitation built on the yrast band. Doppler-shift-attenuation method, the detector array AFRODITE.

doi: 10.1103/PhysRevLett.132.092501
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2023XU01      Phys.Lett. B 839, 137789 (2023)

W.Z.Xu, S.Y.Wang, X.G.Wu, H.Jia, C.Liu, H.F.Bai, Y.J.Li, B.Qi, H.Y.Zhang, G.S.Li, Y.Zheng, C.B.Li, L.Mu, A.Rohilla, S.Wang, D.P.Sun, Z.Q.Li, N.B.Zhang, R.J.Guo, X.C.Han, X.Xiao

First observation of high-spin states in ¹¹⁶In and possible new region of chirality

NUCLEAR REACTIONS ¹¹⁶Cd(⁷Li, X)¹¹⁶In, E=42 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and relative intensities, partial level scheme, J, π, angular distributions from the oriented states (ADO) ratios, high-spin states, negative-parity band, positive-parity doublet bands. Comparison with the adiabatic and configuration-fixed constrained triaxial relativistic-mean-field and multiparticle plus rotor model calculations. The HI-13 Tandem Accelerator at the China Institute of Atomic Energy in Beijing (CIAE).

doi: 10.1016/j.physletb.2023.137789
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022BA32      Int.J.Mod.Phys. E31, 2250065 (2022)

H.F.Bai, S.Y.Wang, W.Z.Xu, L.H.Zhu, X.G.Wu, D.P.Sun, C.Liu, Z.Q.Li, H.Jia, B.Qi, G.S.Li, S.Wang, R.J.Guo, X.C.Han, X.Xiao, L.Mu, C.Y.He, Y.Zheng, X.D.Wang, L.Zhu, Y.J.Li, L.Liu

Shape coexistence and possible isomers in ¹¹⁷Sn

NUCLEAR REACTIONS ¹¹⁴Cd(⁷Li, 3np)¹¹⁷Sn, E=48 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies, partial level scheme, J, π, DCO ratios, isomeric states. Comparison with systematics, the configuration-fixed constrained triaxial relativistic mean-field (RMF) calculations. The HI-13 tandem accelerator at China Institute of Atomic Energy in Beijing.

doi: 10.1142/S0218301322500653
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022GU15      Phys.Lett. B 833, 137344 (2022)

R.J.Guo, S.Y.Wang, R.Schwengner, W.Z.Xu, B.Qi, C.Liu, A.Rohilla, F.Donau, T.Servene, H.Schnare, J.Reif, G.Winter, L.Kaubler, H.Prade, S.Skoda, J.Eberth, H.G.Thomas, F.Becker, B.Fiedler, S.Freund, S.Kasemann, T.Steinhardt, O.Thelen, T.Hartlein, C.Ender, F.Kock, P.Reiter, D.Schwalm

Lifetime measurements in ⁸⁰Br and a new region for observation of chiral electromagnetic selection rules

NUCLEAR REACTIONS ⁷⁶Ge(⁷Li, 3n), E=35 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, oriented states (DCO) ratios, lifetimes, B(E2), B(M1), branching ratios, partial level scheme. Comparison with TPRM calculations and previous results. Doppler-shift-attenuation method (DSAM), EUROBALL CLUSTER detectors, MP tandem accelerator of the Max-Planck-Institut fur Kernphysik Heidelberg.

doi: 10.1016/j.physletb.2022.137344
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2022LU01      Phys.Rev. C 105, 024305 (2022)

D.W.Luo, C.Xu, Y.K.Wang, Z.H.Li, R.A.Bark, S.Q.Zhang, H.Hua, S.Y.Wang, J.Peng, X.Q.Li, H.Y.Wu, X.Wang, C.G.Wu, Q.T.Li, J.Lin, Y.Jin, W.Z.Xu, L.Mu, J.Meng, F.R.Xu, Y.L.Ye, D.X.Jiang, P.Jones, E.A.Lawrie, P.Papka, M.F.Nkalanga, T.D.Bucher, M.V.Chisapi, L.Msebi, S.Jongile, S.Ntshangase, B.R.Zikhali, S.H.Mthembu, T.Seakamela, M.A.Sithole, O.Shirihda, A.A.Aava, L.Mdletshe, K.L.Malatji, S.Mhlongo, L.Makhathini

Collective structures in ⁶²Cu

NUCLEAR REACTIONS ⁵⁴Cr(¹²C, 3np), E=67 MeV; measured Eγ, Iγ, γ(θ), γγ-coin. ⁶²Cu; deduced levels, J, π, high-spin levels, B(M1)/B(E2), configurations, γγ(linear polarization). Comparison with calculations using the self-consistent tilted axis cranking covariant density functional theory (TAC-C DFT). Comparison with level structures in ^60,64Ca. AFRODITE array at the iThemba LABS accelerator facility.

doi: 10.1103/PhysRevC.105.024305
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2022MU09      Phys.Lett. B 827, 137006 (2022)

L.Mu, S.Y.Wang, C.Liu, B.Qi, R.A.Bark, J.Meng, S.Q.Zhang, P.Jones, S.M.Wyngaardt, H.Jia, Q.B.Chen, Z.Q.Li, S.Wang, D.P.Sun, R.J.Guo, X.C.Han, W.Z.Xu, X.Xiao, P.Y.Zhu, H.W.Li, H.Hua, X.Q.Li, C.G.Li, R.Han, B.H.Sun, L.H.Zhu, T.D.Bucher, B.V.Kheswa, N.Khumalo, E.A.Lawrie, J.J.Lawrie, K.L.Malatji, L.Msebi, J.Ndayishimye, J.F.Sharpey-Schafer, O.Shirinda, M.Wiedeking, T.Dinoko, S.S.Ntshangase

First observation of the coexistence of multiple chiral doublet bands and pseudospin doublet bands in the A ≈ 80 mass region

NUCLEAR REACTIONS ⁸²Se(α, X)⁸¹Kr, E=65, 68 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, two nearly degenerate positive-parity bands. Comparison with the constrained covariant density functional theory and the multiparticle plus rotor model calculations.

doi: 10.1016/j.physletb.2022.137006
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022SU22      Chin.Phys.C 46, 094002 (2022)

D.-P.Sun, H.-F.Bai, W.-Z.Xu, S.-Y.Wang, X.-G.Wu, H.Jia, C.Liu, B.Qi, G.-S.Li, Y.Zheng, C.-B.Li, Z.-Q.Li, S.Wang, L.Mu, N.-B.Zhang, R.-J.Guo, A.Rohilla

Possible collective band in neutron-rich ¹¹⁹Sn

NUCLEAR REACTIONS ¹¹⁶Cd(⁷li, X)¹¹⁹Sn, E=42 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies, J, π, partial level scheme, ADO ratios. Comparison with configuration-fixed constrained triaxial relativistic mean-field calculations and systematics. The HI-13 Tandem Accelerator at the China Institute of Atomic Energy in Beijing (CIAE).

doi: 10.1088/1674-1137/ac6f4f
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2022XI09      Phys.Rev. C 106, 064302 (2022)

X.Xiao, S.Y.Wang, C.Liu, R.A.Bark, J.Meng, S.Q.Zhang, B.Qi, H.Hua, P.Jones, S.M.Wyngaardt, S.Wang, D.P.Sun, Z.Q.Li, N.B.Zhang, H.Jia, R.J.Guo, X.C.Han, L.Mu, X.Lu, W.Z.Xu, C.Y.Niu, C.G.Wang, E.A.Lawrie, J.J.Lawrie, J.F.Sharpey-Schafer, M.Wiedeking, S.N.T.Majola, T.D.Bucher, T.Dinoko, B.Maqabuka, L.Makhathini, L.Mdletshe, N.A.Khumalo, O.Shirinda, K.Sowazi

Chirality and octupole correlations in ⁷⁴As

NUCLEAR REACTIONS ⁷⁴Ge(α, 3np), E=58.6, 62.6 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). ⁷⁴As; deduced levels, J, π, angular distributions from the oriented states (ADO) ratio, polarization asymmetry, bands structure, high-spin states, configurations, energy staggering parameter, B(M1)/B(E2) and B(E2)/B(E1) ratios, energy displacement between bands. Systematics of the excitation energies for the yrast states above I=7 in ^70,72,74As. Positive-parity bands are interpreted as chiral doublet bands. Found experimental evidence of octupole correlations existence in ⁷⁴As, similar to ⁷³Br. Comparison to triaxial particle rotor model (TPRM) calculations. AFRODITE array consisting of 8 Compton suppressed clover detectors and 2 low-energy photon spectrometer (LEPS) detectors at separated Sector Cyclotron of iThemba LABS.

doi: 10.1103/PhysRevC.106.064302
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022XU06      Phys.Lett. B 833, 137287 (2022), Priv.Comm.

W.Z.Xu, S.Y.Wang, C.Liu, X.G.Wu, R.J.Guo, B.Qi, J.Zhao, A.Rohilla, H.Jia, G.S.Li, Y.Zheng, C.B.Li, X.C.Han, L.Mu, X.Xiao, S.Wang, D.P.Sun, Z.Q.Li, Y.M.Zhang, C.L.Wang, Y.Li

Interplay between nuclear chiral and reflection symmetry breakings revealed by the lifetime measurements in ⁷⁶Br

NUCLEAR REACTIONS ⁶⁸Zn(¹²C, 3np)⁷⁶Br, E=66 MeV; measured reaction products, Eγ, Iγ, γγ-coin, γγ(θ)(ADO). ⁷⁶Br; deduced γ-ray energies and relative intensities, high-spin levels, J, π, multipolarities, B(M1), B(E2), bands, chirality, level T_1/2. Comparison with triaxial particle rotor model (TPRM), and multidimensional-constrained covariant density function (MDC-CDFT) calculations. The Doppler-shift attenuation method (DSAM), one LEPS detector and nine Compton-suppressed HPGe detectors. HI-13 Tandem Accelerator of the China Institute of Atomic Energy (CIAE).

doi: 10.1016/j.physletb.2022.137287
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022ZH45      Phys.Rev. C 106, 024305 (2022)

M.M.Zhang, Y.L.Tian, Y.S.Wang, Z.Y.Zhang, Z.G.Gan, H.B.Yang, M.H.Huang, L.Ma, C.L.Yang, J.G.Wang, C.X.Yuan, C.Qi, A.N.Andreyev, X.Y.Huang, S.Y.Xu, Z.Zhao, L.X.Chen, J.Y.Wang, M.L.Liu, Y.H.Qiang, G.S.Li, W.Q.Yang, R.F.Chen, H.B.Zhang, Z.W.Lu, X.X.Xu, L.M.Duan, H.R.Yang, W.X.Huang, Z.Liu, X.H.Zhou, Y.H.Zhang, H.S.Xu, N.Wang, H.B.Zhou, X.J.Wen, S.Huang, W.Hua, L.Zhu, X.Wang, Y.C.Mao, X.T.He, S.Y.Wang, W.Z.Xu, H.W.Li, Y.F.Niu, L.Guo, Z.Z.Ren, S.G.Zhou

Fine structure in the α decay of the 8⁺ isomer in ^{216, 218}U

RADIOACTIVITY ^{216,216m,218,218m}U(α)[²¹⁸U from ¹⁸²W(⁴⁰Ar, 4n), E=190 MeV, ¹⁸⁴W(⁴⁰Ca, 2nα), E=206 MeV, ²¹⁶U from ¹⁸⁰W(⁴⁰Ar, 4n), E=191 MeV]; measured evaporation residues (EVRs), Eα, Iα, (EVR)α₁-α₂-correlations, T_1/2 using position-sensitive strip detectors (PSSDs) for α detection, and SHANS separator at HIRFL-Lanzhou. ^{216,216m,218,218m}U; deduced T_1/2, Q-values, α-branching ratio, α-decay hindrance factors. ²⁰⁴Rn, ^208,210Ra, ^212,214Th(α)[from ^216,218U α-decay chains]; measured Eα, T_1/2. ²¹²Th; deduced level, J, π, identification of the first 2+ state. ²¹⁵Ra, ^212,213,216Ac, ^{211,212,213,214,216,216m,217}Th, ^{216,217,217m,218}Pa, ^217,218,219U; observed Eα from their decays from (EVR)α-correlations. Comparison with previous experimental data.

doi: 10.1103/PhysRevC.106.024305
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Data from this article have been entered in the XUNDL database. For more information, click here.

2021HA29      Phys.Rev. C 104, 014327 (2021)

X.C.Han, S.Y.Wang, B.Qi, C.Liu, S.Wang, D.P.Sun, Z.Q.Li, H.Jia, R.J.Guo, X.Xiao, L.Mu, X.Lu, Q.Wang, W.Z.Xu, H.W.Li, X.G.Wu, Y.Zheng, C.B.Li, T.X.Li, Z.Y.Huang, H.Y.Wu, D.W.Luo

First observation of candidate chiral doublet bands in Z=37 Rb isotopes

NUCLEAR REACTIONS ⁷⁶Ge(¹¹B, 3n)⁸⁴Rb, E=36 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO ratios) using an array of six Compton-suppressed HPGe detectors and one clover detector at the HI-13 tandem accelerator of CIAE-Beijing. ⁸⁴Rb; deduced high-spin levels, J, π, B(M1)/B(E2) ratios, chiral doublet bands, configurations, staggering parameters. Comparison with triaxial relativistic mean-field theory and triaxial particle-rotor model calculations. Systematics of positive-parity yrast states in ^{76,78,80,82,84}Rb.

doi: 10.1103/PhysRevC.104.014327
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Data from this article have been entered in the XUNDL database. For more information, click here.

2021ZH22      Phys.Rev.Lett. 126, 152502 (2021)

Z.Y.Zhang, H.B.Yang, M.H.Huang, Z.G.Gan, C.X.Yuan, C.Qi, A.N.Andreyev, M.L.Liu, L.Ma, M.M.Zhang, Y.L.Tian, Y.S.Wang, J.G.Wang, C.L.Yang, G.S.Li, Y.H.Qiang, W.Q.Yang, R.F.Chen, H.B.Zhang, Z.W.Lu, X.X.Xu, L.M.Duan, H.R.Yang, W.X.Huang, Z.Liu, X.H.Zhou, Y.H.Zhang, H.S.Xu, N.Wang, H.B.Zhou, X.J.Wen, S.Huang, W.Hua, L.Zhu, X.Wang, Y.C.Mao, X.T.He, S.Y.Wang, W.Z.Xu, H.W.Li, Z.Z.Ren, S.G.Zhou

New α-Emitting Isotope ²¹⁴U and Abnormal Enhancement of α-Particle Clustering in Lightest Uranium Isotopes

RADIOACTIVITY ^214,216,218U(α) [from ^180,182W(³⁶Ar, 4n), ¹⁸⁴W(⁴⁰Ca, 2nα), E<200 MeV]; measured decay products, Eα, Iα; deduced α-decay Q-values and reduced widths, T_1/2, abnormal enhancement by the strong monopole interaction between the valence protons and neutrons. Comparison withavailable data, calculations.

doi: 10.1103/PhysRevLett.126.152502
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetS0279. Data from this article have been entered in the XUNDL database. For more information, click here.

2020ZH01      Phys.Lett. B 800, 135102 (2020)

M.M.Zhang, H.B.Yang, Z.G.Gan, Z.Y.Zhang, M.H.Huang, L.Ma, C.L.Yang, C.X.Yuan, Y.S.Wang, Y.L.Tian, H.B.Zhou, S.Huang, X.T.He, S.Y.Wang, W.Z.Xu, H.W.Li, X.X.Xu, J.G.Wang, H.R.Yang, L.M.Duan, W.Q.Yang, S.G.Zhou, Z.Z.Ren, X.H.Zhou, H.S.Xu, A.A.Voinov, Yu.S.Tsyganov, A.N.Polyakov, M.V.Shumeiko

A new isomeric state in ²¹⁸Pa

RADIOACTIVITY ²¹⁸Pa(α) [from ¹⁸²W(⁴⁰Ar, 3np)²¹⁸Pa, E=190 MeV]; measured decay products, Eα, Iα, Eγ, Iγ; deduced ground and isomeric states T_1/2, α and γ-ray energies and intensities, J, π.

doi: 10.1016/j.physletb.2019.135102
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2019ZH54      Phys.Rev. C 100, 064317 (2019)

M.M.Zhang, Y.L.Tian, Y.S.Wang, X.H.Zhou, Z.Y.Zhang, H.B.Yang, M.H.Huang, L.Ma, C.L.Yang, Z.G.Gan, J.G.Wang, H.B.Zhou, S.Huang, X.T.He, S.Y.Wang, W.Z.Xu, H.W.Li, X.X.Xu, L.M.Duan, Z.Z.Ren, S.G.Zhou, H.S.Xu

Fine structure in the α decay of ²¹⁹U

RADIOACTIVITY ²¹⁹U(α)[from ¹⁸³W(⁴⁰Ar, 4n), E=190 MeV]; measured Eα, Iα, αα-coin, (recoils)ααα-correlations, half-life of ²¹⁹U decay, production σ of ²¹⁹U using position-sensitive strip detectors (PSSDs) for α detection, and the SHANS separator at the Heavy Ion Research Facility (HIRFL) in Lanzhou. ²¹⁵Th; deduced levels, J, π, α-branching ratios, α-decay reduced widths. ^{216,216m,217,219}Th, ²²⁰Pa(α)[from ¹⁸³W(⁴⁰Ar, X), E=190 MeV]; ²¹⁵Th, ²¹¹Ra[from ²¹⁹U α decay]; measured Eα, half-lives of decays of the isotopes. Discussed α-decay systematics in neighboring nuclides. Comparison with previous experimental data.

doi: 10.1103/PhysRevC.100.064317
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Data from this article have been entered in the XUNDL database. For more information, click here.