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NSR database version of April 27, 2024.

Search: Author = W.Q.Yang

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2024YA04      Phys.Rev.Lett. 132, 072502 (2024)

H.B.Yang, Z.G.Gan, Y.J.Li, M.L.Liu, S.Y.Xu, C.Liu, M.M.Zhang, Z.Y.Zhang, M.H.Huang, C.X.Yuan, S.Y.Wang, L.Ma, J.G.Wang, X.C.Han, A.Rohilla, S.Q.Zuo, X.Xiao, X.B.Zhang, L.Zhu, Z.F.Yue, Y.L.Tian, Y.S.Wang, C.L.Yang, Z.Zhao, X.Y.Huang, Z.C.Li, L.C.Sun, J.Y.Wang, H.R.Yang, Z.W.Lu, W.Q.Yang, X.H.Zhou, W.X.Huang, N.Wang, S.G.Zhou, Z.Z.Ren, H.S.Xu

Discovery of New Isotopes ¹⁶⁰Os and ¹⁵⁶W: Revealing Enhanced Stability of the N=82 Shell Closure on the Neutron-Deficient Side

NUCLEAR REACTIONS ¹⁰⁶Cd(⁵⁸Ni, 4n)¹⁶⁰Os, E=335 MeV; measured reaction products; deduced new isotopes, σ. The Spectrometer for Heavy Atoms and Nuclear Structure (SHANS), the Sector Focusing Cyclotron of the Heavy Ion Research Facility in Lanzhou (HIRFL), China.

RADIOACTIVITY ¹⁶⁰Os(α), ¹⁵⁶W(β⁺); measured decay products, Eα, Iα; deduced α-particles energies, Q-values, T_1/2, α-decay reduced widths, N=82 shell closure toward the proton drip line. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.132.072502
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022HU12      Phys.Lett. B 834, 137484 (2022)

M.H.Huang, Z.G.Gan, Z.Y.Zhang, L.Ma, J.G.Wang, M.M.Zhang, H.B.Yang, C.L.Yang, X.Y.Huang, Z.Zhao, S.Y.Xu, L.X.Chen, X.J.Wen, Y.F.Niu, C.X.Yuan, Y.L.Tian, Y.S.Wang, J.Y.Wang, M.L.Liu, Y.H.Qiang, W.Q.Yang, H.B.Zhang, Z.W.Lu, S.Guo, W.X.Huang, Y.He, Z.Z.Ren, S.G.Zhou, X.H.Zhou, H.S.Xu, V.K.Utyonkov, A.A.Voinov, Yu.S.Tsyganov, A.N.Polyakov

α decay of the new isotope ²⁰⁴Ac

RADIOACTIVITY ^204,205Ac(α) [from ¹⁶⁹Tm(⁴⁰Ca, xn), E=202, 210, 212, 214 MeV using SHANS2 separator at CAFE2 and SHANS separator at HRIFL, Lanzhou accelerator facility]; ²⁰⁰Fr, ¹⁹⁶At(α) [from ²⁰⁴Ac α-decay chain]; measured evaporation residues (ERs), Eα, (ER)α-α-α correlated events, production cross sections, T_1/2 of decays using two multiwire proportional counters for implanted events, double-sided silicon strip detectors (DSSSDs) for α particles, and a segmented clover Ge detector for γ radiation. ^204,205Ac, ²⁰⁰Fr, ¹⁹⁶At; deduced T_1/2 of decays of ground-state decays, and Eα values, reduced α-width in Rasmussen formalism, favored α decay for ²⁰⁴Ac decay. ²⁰⁴Ac(p); no proton decay events observed. ^{201,201m,202,202m,203,204,205}Fr, ^204,205,206Ra(α); observed α spectra, (ERs)-α-α-correlated events. Comparison with previous available experimental results. Systematics of experimental and theoretical T_1/2 and Q(α) values for ^{196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211}At, ^{198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213}Fr, ^{203,204,205,206,207,208,209,210,211,212,213,214,215}Ac, ^{211,212,213,214,215,216,217}Pa, using Hartree-Fock-BCS (HFBSC) method, and macroscopic-microscopic (MM) mass formula for theory.

doi: 10.1016/j.physletb.2022.137484
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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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2021SH23      Phys.Rev. C 103, L061301 (2021)

G.Z.Shi, J.J.Liu, Z.Y.Lin, H.F.Zhu, X.X.Xu, L.J.Sun, P.F.Liang, C.J.Lin, J.Lee, C.X.Yuan, S.M.Wang, Z.H.Li, H.S.Xu, Z.G.Hu, Y.Y.Yang, R.F.Chen, J.S.Wang, D.X.Wang, H.Y.Wu, K.Wang, F.F.Duan, Y.H.Lam, P.Ma, Z.H.Gao, Q.Hu, Z.Bai, J.B.Ma, J.G.Wang, F.P.Zhong, C.G.Wu, D.W.Luo, Y.Jiang, Y.Liu, D.S.Hou, R.Li, N.R.Ma, W.H.Ma, G.M.Yu, D.Patel, S.Y.Jin, Y.F.Wang, Y.C.Yu, Q.W.Zhou, P.Wang, L.Y.Hu, X.Wang, H.L.Zang, P.J.Li, Q.R.Gao, H.Jian, S.X.Zha, F.C.Dai, R.Fan, Q.Q.Zhao, L.Yang, P.W.Wen, F.Yang, H.M.Jia, G.L.Zhang, M.Pan, X.Y.Wang, H.H.Sun, X.H.Zhou, Y.H.Zhang, M.Wang, M.L.Liu, H.J.Ong, W.Q.Yang

β-delayed two-proton decay of ²⁷S at the proton-drip line

RADIOACTIVITY ²⁷S(β⁺2p)[from ⁹Be(³²S, X), E=80.6 MeV/nucleon, followed by separation and purification of fragments using RIBLL1 at HIRFL-Lanzhou facility, and implanted into three W1-type double-sided silicon strip detectors (DSSDs)]; measured reaction products, E(p), I(p), pp-coin, p(θ), half-life of ²⁷S decay using Si detectors surrounded by HPGe detectors; deduced branching ratio of β⁺2p decay, identified as a two-proton transition, dominantly sequential, via the isobaric-analog state (IAS) in ²⁷P to the ground state of ²⁵Al.

doi: 10.1103/PhysRevC.103.L061301
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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.

2020LI06      Phys.Rev. C 101, 024305 (2020)

P.F.Liang, L.J.Sun, J.Lee, S.Q.Hou, X.X.Xu, C.J.Lin, C.X.Yuan, J.J.He, Z.H.Li, J.S.Wang, D.X.Wang, H.Y.Wu, Y.Y.Yang, Y.H.Lam, P.Ma, F.F.Duan, Z.H.Gao, Q.Hu, Z.Bai, J.B.Ma, J.G.Wang, F.P.Zhong, C.G.Wu, D.W.Luo, Y.Jiang, Y.Liu, D.S.Hou, R.Li, N.R.Ma, W.H.Ma, G.Z.Shi, G.M.Yu, D.Patel, S.Y.Jin, Y.F.Wang, Y.C.Yu, Q.W.Zhou, P.Wang, L.Y.Hu, X.Wang, H.L.Zang, P.J.Li, Q.Q.Zhao, H.M.Jia, L.Yang, P.W.Wen, F.Yang, G.L.Zhang, M.Pan, X.Y.Wang, H.H.Sun, Z.G.Hu, R.F.Chen, M.L.Liu, W.Q.Yang, Y.M.Zhao

Simultaneous measurement of β-delayed proton and γ emission of ²⁶P for the ²⁵Al(p, γ)²⁶Si reaction rate

RADIOACTIVITY ²⁶P(β⁺), (β⁺p)[from ⁹Be(³²S, X), E=806 MeV/nucleon, followed by in-flight separation by the RIBLL1 fragment separator at HIRFL-Lanzhou]; measured E(p), I(p), Eγ, Iγ, βp- and βγ-coin, half-life of the decay of ²⁶P from correlated events of ²⁶P implants and successive decays using three double-sided silicon strip detectors (DSSDs), five Clover-type HPGe detectors, and five quadrant silicon detectors (Q SDs). ²⁶Si; deduced levels, J, π, Γ_p and Γ_γ of 5929, 3+ state. Comparison with previous experimental data, and with shell-model calculations.

NUCLEAR REACTIONS ⁹Be(³²S, X)²²Na/²³Mg/²⁴Al/²⁵Si/²⁶P, E=806 MeV/nucleon; measured reaction products and TOF-ΔE spectrum using in-flight separation by the RIBLL1 fragment separator at HIRFL-Lanzhou. ²⁵Al(p, γ)²⁶Si, T=0.03-1.1 GK; deduced energies and strengths of resonances, corresponding astrophysical reaction rates, and compared with data in JINA REACLIB database.

doi: 10.1103/PhysRevC.101.024305
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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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