NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = Q.M.Chen Found 18 matches. 2022ZH23 J.Phys.(London) G49, 055103 (2022) Y.Zheng, C.B.Li, X.G.Wu, H.L.Ma, L.H.Zhu, T.X.Li, Z.Y.Huang, H.Chen, C.Y.He, Q.W.Fan, G.S.Li, Q.M.Chen, J.Zhong, S.P.Hu, H.W.Li, J.L.Wang, J.J.Liu, Y.H.Wu, P.W.Luo Fast-timing lifetime measurements of the 33/2+ and 25/2- states in 189Hg: oblate excitations NUCLEAR REACTIONS 175Lu(19F, 5n), E=100 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies, partial level scheme, J, π, level T1/2, B(E2), B(E1). Comparison with systematics, Nilsson-Strutinsky Bogoliubov (CNSB) model calculations. The fast-timing techniques with the HPGe and LaBr3:Ce array at the HI-13 tandem accelerator at the China Institute of Atomic Energy.
doi: 10.1088/1361-6471/ac58b0
2021ZH44 Chin.Phys.C 48, 084001 (2021) J.Zhong, L.-T.Deng, S.-P.Hu, X.-G.Wu, P.C.Srivastava, A.Saxena, G.-S.Li, Y.Zheng, C.-B.Li, Q.-M.Chen, C.-Y.He, W.-K.Zhou, B.-J.Zhu, Q.-W.Fang, H.Hua, J.-J.Sun, H.-B.Sun, L.Gan, H.-G.Zhao, Q.Luo, Z.-X.Wu High spin states in 71Ga NUCLEAR REACTIONS 70Zn(7Li, 2nα)71Ga, E=30, 35 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, level scheme, positive and negative parity bands. Comparison with calculations in the framework of nuclear shell models with JUN45 and jj44b interactions.
doi: 10.1088/1674-1137/ac0098
2020ZH26 Chin.Phys.C 44, 094001 (2020) J.Zhong, Y.-J.Ma, X.-G.Wu, B.-J.Zhu, C.-B.Li, G.-S.Li, Y.Zheng, Q.-M.Chen, C.-Y.He, L.-T.Deng, W.-K.Zhou, K.-Y.Ma, D.Yang, H.Guo, J.-Q.Wang, X.Guang, J.Sun, H.-B.Sun, S.-P.Hu, L.Gan, H.-G.Zhao, Q.Luo, Z.-X.Wu Lifetime measurement for the 21+ state in 106Cd NUCLEAR REACTIONS 94Zr(16O, 4n)106Cd, E=87 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, lifetime, B(E2). The Recoil Distance Doppler Shift technique in combination with the Differential Decay Curve Method.
doi: 10.1088/1674-1137/44/9/094001
2019ZH34 Phys.Rev. C 100, 014325 (2019) Y.Zheng, Y.H.Wu, X.G.Wu, C.B.Li, L.H.Zhu, T.X.Li, P.W.Luo, G.S.Li, C.Y.He, H.W.Li, S.P.Hu, J.J.Liu, J.L.Wang, S.H.Yao, Q.M.Chen, J.Zhong, J.B.Lu, K.Y.Ma, D.Yang Reinvestigation of the high-spin level structure of 92Nb: Excitations across the Z=38 and N=50 closed shells NUCLEAR REACTIONS 82Se(14N, 4n), E=54 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO) using Compton-suppressed HPGe array for γ detection at the HI-13 tandem accelerator of the CIAE-Beijing. 92Nb; deduced high-spin levels, J, π. Comparison with shell model calculations. NUCLEAR STRUCTURE 92Nb; calculated high-spin levels, J, π, partition of the wave functions, and seniority using shell model with NUSHELLX code, GWB model space and GWBXG interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.100.014325
2018NI04 Phys.Rev. C 97, 034322 (2018) C.Y.Niu, A.C.Dai, C.Xu, H.Hua, S.Q.Zhang, S.Y.Wang, R.A.Bark, J.Meng, C.G.Wang, X.G.Wu, X.Q.Li, Z.H.Li, S.M.Wyngaardt, H.L.Zang, Z.Q.Chen, H.Y.Wu, F.R.Xu, Y.L.Ye, D.X.Jiang, R.Han, C.G.Li, X.C.Chen, Q.Liu, J.Feng, B.Yang, Z.H.Li, S.Wang, D.P.Sun, C.Liu, Z.Q.Li, N.B.Zhang, R.J.Guo, G.S.Li, C.Y.He, Y.Zheng, C.B.Li, Q.M.Chen, J.Zhong, W.K.Zhou, B.J.Zhu, L.T.Deng, M.L.Liu, J.G.Wang, P.Jones, E.A.Lawrie, J.J.Lawrie, J.F.Sharpey-Schafer, M.Wiedeking, S.N.T.Majola, T.D.Bucher, T.Dinoko, B.Magabuka, L.Makhathini, L.Mdletshe, N.A.Khumalo, O.Shirinda, K.Sowazi Spectroscopic study of the possibly triaxial transitional nucleus 75Ge NUCLEAR REACTIONS 74Ge(α, n2p), E=58.6, 62.6 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO ratios) using AFRODITE array at the Separated Sector Cyclotron of iThemba LABS, South Africa. 75Ge; deduced high-spin levels, J, π, collective bands, configurations. Systematics of level structures in N=43 isotones 75Ge, 77Se and 79Kr; calculated configuration-constrained potential energy surfaces (PES). Comparison of levels with triaxial particle rotor model calculations.
doi: 10.1103/PhysRevC.97.034322
2018XU08 Eur.Phys.J. A 54, 83 (2018) Q.Xu, Z.G.Xiao, S.J.Zhu, C.Qi, H.Jia, B.Qi, R.S.Wang, W.J.Cheng, Y.Zhang, H.Yi, L.M.Lu, Y.J.Wang, H.J.Li, Y.Huang, Z.Zhang, X.G.Wu, C.B.Li, Y.Zheng, Q.M.Chen, W.K.Zhou, G.S.Li Investigation of high spin states in 133Cs NUCLEAR REACTIONS 130Te(7Li, 4n), E=38 MeV; measured in-beam Eγ, Iγ(θ), γγ-coin using 12 Compton-suppressed Ge detectors at HI-13 Tandem at CIAE (China Institute of Atomic Energy). 133Cs; deduced level scheme, levels, J, π up to high spin of 31/2, rotational bands, γ transition intensities; updated systematics of 2+ states in N=78 even-even isotopes of A=130-134. 133Cs, 132Xe; calculated levels, J, π, B(M1)/B(E2), moments of inertia using large-scale shell model; compared to experimental data.
doi: 10.1140/epja/i2018-12520-8
2017LI02 Phys.Lett. B 766, 107 (2017) C.G.Li, Q.B.Chen, S.Q.Zhang, C.Xu, H.Hua, X.Q.Li, X.G.Wu, S.P.Hu, J.Meng, F.R.Xu, W.Y.Liang, Z.H.Li, Y.L.Ye, D.X.Jiang, J.J.Sun, R.Han, C.Y.Niu, X.C.Chen, P.J.Li, C.G.Wang, H.Y.Wu, G.S.Li, C.Y.He, Y.Zheng, C.B.Li, Q.M.Chen, J.Zhong, W.K.Zhou Observation of a novel stapler band in 75As NUCLEAR REACTIONS 70Zn(9Be, 3np)75As, E=42 MeV; measured reaction products, Eγ, Iγ; deduced dipole band, deformation parameters, composition of the proton and neutron angular momenta, energy spectrum. Comparison with self-consistent tilted axis cranking covariant density functional theory.
doi: 10.1016/j.physletb.2016.12.059
2017ZH02 Phys.Rev. C 95, 014308 (2017) B.J.Zhu, C.B.Li, X.G.Wu, J.Zhong, Q.M.Chen, Y.Zheng, C.Y.He, W.K.Zhou, L.T.Deng, G.S.Li Investigation of the anomalously low B (E2;4+1 → 2+1) /B (E2;2+1 → 0+1) ratio in 134Ce through lifetime measurements NUCLEAR REACTIONS 122Sn(16O, 4n), E=76 MeV; measured Eγ, γγ-coin, level half-lives by recoil-distance Doppler-shift (RDDS) method using a plunger device and ten Compton-suppressed HPGe detectors at the HI-13 tandem accelerator of CIAE-Beijing facility. 134Ce; deduced B(E2) values for the first 2+ and 4+ states, and second 10+ and 12+ states. Comparison with interacting boson model calculations. Systematics of B(E2) for first 2+ states, E(first 4+)/E(first 2+), and B(E2)(first 4+)/B(E2)(first 2+) for 126,128,130,132,134,136,138Ce, and comparison with predictions of IBM-1 calculations.
doi: 10.1103/PhysRevC.95.014308
2016CH13 Phys.Rev. C 93, 044310 (2016) Q.M.Chen, X.G.Wu, Y.S.Chen, C.B.Li, Z.C.Gao, G.S.Li, F.Q.Chen, C.Y.He, Y.Zheng, S.P.Hu, J.Zhong, Y.H.Wu, H.W.Li, P.W.Luo Lifetime measurements in 180Pt NUCLEAR REACTIONS 156Gd(28Si, 4n), E=144 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by recoil-distance Doppler shift method using a plunger and differential decay curve analysis at HI-13 tandem accelerator of CIAE-Beijing. 180Pt; deduced levels, J, π, B(E2), transition quadrupole moments for levels in the yrast band. Systematics of B(E2), E(4+)/E(2+) ratios, yrast and γ bands in 176,178,180,182,184,186Pt. Comparison with triaxial projected shell model (TPSM) calculations.
doi: 10.1103/PhysRevC.93.044310
2016HU01 Phys.Rev. C 93, 014621 (2016) S.P.Hu, G.L.Zhang, J.C.Yang, H.Q.Zhang, P.R.S.Gomes, J.Lubian, J.L.Ferreira, X.G.Wu, J.Zhong, C.Y.He, Y.Zheng, C.B.Li, G.S.Li, W.W.Qu, F.Wang, L.Zheng, L.Yu, Q.M.Chen, P.W.Luo, H.W.Li, Y.H.Wu, W.K.Zhou, B.J.Zhu, H.B.Sun One-neutron stripping processes to excited states of the 6Li + 96Zr reaction at near-barrier energies NUCLEAR REACTIONS 96Zr(6Li, X)97Zr, E=14-28 MeV; measured particle spectra of α, protons and deuterons from break-up process, Eγ, Iγ, γγ-coin, fusion σ(E) for one-neutron stripping reaction at HI-13 Tandem Accelerator of CIAE-Beijing. Breakup of 6Li. 97Zr; deduced levels, J, π. No evidence of two-neutron transfer. Comparison of fusion σ(E) with coupled reaction channel (CRC) calculations for the one-neutron stripping of 6Li. NUCLEAR STRUCTURE 96,97Zr; calculated levels, J, π, spectroscopic amplitudes using shell-model with NUSHELLX code; deduced coupling scheme between 96Zr target and 97Zr final nucleus. Comparison with experimental data.
doi: 10.1103/PhysRevC.93.014621
2016HU09 Phys.Rev. C 93, 064315 (2016) Y.Huang, Z.G.Xiao, S.J.Zhu, C.Qi, Q.Xu, W.J.Cheng, H.J.Li, L.M.Lyu, R.S.Wang, W.H.Yan, H.Yi, Y.Zhang, Q.M.Chen, C.Y.He, S.P.Hu, C.B.Li, H.W.Li, P.W.Luo, X.G.Wu, Y.H.Wu, Y.Zheng, J.Zhong High-spin structures in the 129Xe nucleus NUCLEAR REACTIONS 124Sn(9Be, 4n), E=36 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) at HI-13 tandem accelerator facility of the CIAE-Beijing. 129Xe; deduced high-spin levels, J, π, band structures, configurations, multipolarities, B(M1)/B(E2), staggering parameter, moments of inertia plots. Systematics of level energies and bands in 125,127,129,131,133Xe. Comparisons with total Routhian surface and quasiparticle triaxial rotor model calculations.
doi: 10.1103/PhysRevC.93.064315
2016LI49 Phys.Rev. C 94, 044307 (2016) C.B.Li, H.L.Ma, X.G.Wu, Q.M.Chen, C.Y.He, Y.Zheng, G.S.Li, Y.H.Wu, S.P.Hu, H.W.Li, L.P.Luo, J.Zhong, B.J.Zhu Deformation and shape changes in 167W NUCLEAR REACTIONS 142Nd(28Si, 3n), E=144 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by recoil-distance Doppler shift (RDDS) method, and analyzed by differential decay-curve method (DDCM) at HI-13 tandem accelerator facility of CIAE-Beijing. 167W; deduced levels, B(E2), transition quadrupole moments, energy staggering of negative parity bands; calculated potential energy surface (PES) plots in (ϵ2, γ) plane. Comparison with cranked Nilsson-Strutinsky-Bogoliubov calculations.
doi: 10.1103/PhysRevC.94.044307
2016ZH61 Chin.Phys.C 40, 086002 (2016) Y.Zheng, X.-G.Wu, G.-S.Li, C.-B.Li, C.-Y.He, Q.-M.Chen, J.Zhong, W.-K.Zhou, L.-T.Deng, B.-J.Zhu Mini-orange spectrometer at CIAE NUCLEAR REACTIONS 90Zr(α, n)93Mo, E=30 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin., Eβ, Iβ; deduced K/L ratio corresponds to the E4 character. Comparison with theoretical calculations.
doi: 10.1088/1674-1137/40/8/086002
2015GU16 Phys.Rev. C 92, 014615 (2015) C.L.Guo, G.L.Zhang, S.P.Hu, J.C.Yang, H.Q.Zhang, P.R.S.Gomes, J.Lubian, X.G.Wu, J.Zhong, C.Y.He, Y.Zheng, C.B.Li, G.S.Li, W.W.Qu, F.Wang, L.Zheng, L.Yu, Q.M.Chen, P.W.Luo, H.W.Li, Y.H.Wu, W.K.Zhou, B.J.Zhu, H.B.Sun Coupling effects on the fusion of 6Li + 154Sm at energies slightly above the Coulomb barrier NUCLEAR REACTIONS 154Sm(6Li, X)154Eu/156Gd/156Tb/157Tb, E=26-36 MeV; measured Eγ, Iγ from different evaporation residues formed via complete and incomplete fusion, complete and incomplete fusion σ(E), σ(E) for 3n+4n channels using on-line γ method at HI-13 Tandem Accelerator of CIAE-Beijing; deduced complete fusion suppression factor as a function of energy. Comparison with theoretical estimates using PACE2.
doi: 10.1103/PhysRevC.92.014615
2015HU03 Phys.Rev. C 91, 044619 (2015) S.P.Hu, G.L.Zhang, J.C.Yang, H.Q.Zhang, P.R.S.Gomes, J.Lubian, X.G.Wu, J.Zhong, C.Y.He, Y.Zheng, C.B.Li, G.S.Li, W.W.Qu, F.Wang, L.Zheng, L.Yu, Q.M.Chen, P.W.Luo, H.W.Li, Y.H.Wu, W.K.Zhou, B.J.Zhu, H.B.Sun Small suppression of the complete fusion of the 6Li+96Zr system at near-barrier energies NUCLEAR REACTIONS 96Zr(6Li, 2n), (6Li, 3n), (6Li, 4n), E=16-28 MeV; 96Zr(6Li, X)96Nb/98Mo/99Mo/100Mo, E=16-28 MeV; measured Eγ, Iγ, σ(E) for evaporation residues of 98,99,100Tc, complete, incomplete, and total fusion σ(E) for 96Nb and Mo isotopes using γ-activation method at Tandem Accelerator facility of CIAE-Beijing. Comparison with theoretical calculations using PACE2 code.
doi: 10.1103/PhysRevC.91.044619
2015ZH25 Phys.Rev. C 92, 024308 (2015) J.Zhong, H.L.Ma, S.P.Hu, X.G.Wu, H.B.Sun, G.S.Li, C.Y.He, Y.Zheng, C.B.Li, Q.M.Chen, H.W.Li, Y.H.Wu, P.W.Luo Positive-parity rotational band in 158Tb NUCLEAR REACTIONS 154Sm(7Li, 3n), E=27 MeV; measured Eγ, Iγ, γγ-coin, angular distribution (ADO) ratios at HI-13 tandem accelerator facility of CIAE-Beijing. 158Tb; deduced high-spin levels, J, π, multipolarity, bands, configuration, experimental Routhians, signature inversion, staggering. Comparison with structures of 154,156,157Tb and 157Gd.
doi: 10.1103/PhysRevC.92.024308
2014LI45 Phys.Rev. C 90, 047302 (2014) C.B.Li, F.Q.Chen, X.G.Wu, C.Y.He, Y.Zheng, G.S.Li, Q.M.Chen, Z.C.Gao, Q.L.Xia, W.P.Zhou, S.P.Hu, H.W.Li, J.L.Wang, J.J.Liu, Y.H.Wu, P.W.Luo Lifetime measurement of the first 2+ state in 178Pt NUCLEAR REACTIONS 154Gd(28Si, 4n), E=146 MeV; measured Eγ, γγ-coin, γγγ(t), half-life of the first 2+ state by fast-timing technique using Ge-LaBr3-LaBr3 detectors. 178Pt; deduced levels, B(E2). Potential energy surface (PES) calculations. Systematics of B(E2) for first 2+ states in 176,178,180,182,184Pt isotopes and comparison with calculations using generator coordinate method.
doi: 10.1103/PhysRevC.90.047302
2014WU02 Chin.Phys.Lett. 31, 042102 (2014) Y.-H.Wu, J.-B.Lu, P.-W.Luo, G.-S.Li, H.-W.Li, X.-G.Wu, C.-Y.He, Y.Zheng, K.-Y.Ma, D.Yang, C.-B.Li, S.-P.Hu, J.-J.Liu, J.-L.Wang, S.-H.Yao, Q.-M.Chen, J.Zhong High-Spin States in the Odd-Odd Nucleus 92Nb NUCLEAR REACTIONS 82Se(14N, 4n), E=54 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced level scheme, J, π, high-spin states. Comparison with systematics.
doi: 10.1088/0256-307X/31/4/042102
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