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NSR database version of April 11, 2024.

Search: Author = K.Ma

Found 53 matches.

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2024GA07      Phys.Rev. C 109, 024307 (2024)

T.J.Gao, J.-B.Lu, Y.Ma, Y.Zhang, S.Q.Zhang, H.D.Wang, J.-Q.Liu, P.-Y.Yang, Zh.Ren, Ch.-Q.Li, Q.B.Chen, Z.C.Gao, J.Li, K.Y.Ma, G.Dong

Evidence for possible multiple chiral doublet bands with identical configuration in the odd-odd nucleus 126Cs

doi: 10.1103/PhysRevC.109.024307
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2024TE03      Phys.Rev. C 109, 034308 (2024)

J.X.Teng, K.Y.Ma, J.B.Lu, H.C.Zhang, H.Wang, S.Y.Liu, D.Zhao, H.Y.Ye, J.Y.Li, X.J.Zhao, Z.H.Zhao, Y.C.Hao, Z.Qiao, Y.J.Ma, D.Yang, X.G.Wu, Y.Zheng, C.B.Li

Possible multiple chiral doublet bands in odd-odd 128La

doi: 10.1103/PhysRevC.109.034308
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2023HA40      Commun. Phys. 6, 220 (2023)

J.Han, Y.Ye, J.Lou, X.Yang, Q.Li, Z.Yang, Y.Yang, J.Wang, J.Xu, Y.Ge, H.Hua, Z.Li, B.Yang, Y.Liu, S.Bai, K.Ma, J.Chen, G.Li, Z.Hu, H.Yu, Z.Tan, L.Yang, S.Wang, L.Tao, W.Liu, Y.Jiang, J.Li, D.Wang, S.Huang, Y.Chen, W.L.Pu, K.Wei, J.Ma, H.Yang, P.Ma, S.Xu, Z.Bai, S.Jin, F.Duan, Y.Song, L.Hu, Y.Li, J.Li, S.Zhang, M.Huang, D.Wang, Z.Li

Nuclear linear-chain structure arises in carbon-14

RADIOACTIVITY 14C(α) [from 1H(14C, 14C'), E=23 MeV/nucleon]; measured decay products, Eα, Iα. 14C; deduced Q-value, excitation energy spectra, resonant states in 14C, J, π, widths, σ(θ). Comparison with the antisymmetrized molecular dynamics (AMD) calculations. The Radioactive Ion Beam Line at the Heavy Ion Research Facility in Lanzhou (HIRFL-RIBLL1).

doi: 10.1038/s42005-023-01342-6
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2023MA57      Chin.Phys.C 47, 114001 (2023)

K.Ma, Y.-L.Ye, Ch.-J.Lin, J.-H.Chen, D.-X.Wang, J.-X.Han, H.-M.Jia, L.Yang, L.-Sh.Yang, Z.-Y.Hu, Y.Chen, W.-L.Pu, G.Li, Zh.-W.Tan, D.-H.Huang, T.-P.Luo, Sh.-H.Zhong, J.-L.Lou, X.-F.Yang, Zh.-H.Li, Q.-T.Li, J.-Y.Xu, Z.-H.Yang, K.Wei

New measurement of 4He and proton decays from resonant states in 19Ne

RADIOACTIVITY 19N(p), (α) [from 6Li(16O, X)19Ne, E=96 MeV]; measured decay products, Ep, Ip, Eα, Iα; deduced excitation-energy spectra, level energies, resonance parameters for astrophysical applications. The HI-13 tandem accelerator facility at the China Institute of Atomic Energy, Beijing.

doi: 10.1088/1674-1137/acc16f
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2023RE11      Phys.Rev. C 108, 044301 (2023)

Z.Ren, J.-B.Lu, G.-X.Dong, Y.Zheng, Y.-H.Wu, T.-J.Gao, P.-Y.Yang, Y.Hao, K.-Y.Ma, X.-G.Wu, C.-B.Li, Z.Huang, G.-X.Zhang, S.-P.Hu, H.-B.Sun, H.-Q.Zhang, D.Testov, J.J.Valiente-Dobon, A.Goasduff, M.Siciliano, F.Galtarossa, D.Mengoni, D.Bazzacco, G.-L.Zhang

Level scheme of 92Nb and observation of an oblate collective rotational band

doi: 10.1103/PhysRevC.108.044301
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2023WA01      Chin.Phys.C 47, 014001 (2023)

D.-X.Wang, Y.-L.Ye, C.-J.Lin, J.-H.Chen, K.Ma, J.-X.Han, H.-M.Jia, L.Yang, L.-S.Yang, Z.-Y.Hu, Y.Chen, W.-L.Pu, G.Li, Z.-W.Tan, H.-Y.Zhu, T.-P.Luo, S.-H.Zhong, D.-H.Huang, J.-L.Lou, X.-F.Yang, Q.-T.Li, J.-Y.Xu, Z.-H.Yang, K.Wei

α-cluster decay from 24Mg resonances produced in the 12C(16O, 24Mg)α reaction

RADIOACTIVITY 24Mg(α) [from 12C(16O, 24Mg), E=96 MeV]; measured decay products, Eα, Iα; deduced resonant states, the energy-momentum of a 20Ne fragment, resonance parameters. Comparison with available data, theoretical calculations. The HI-13 tandem accelerator at the China Institute of Atomic Energy (CIAE) in Beijing.

doi: 10.1088/1674-1137/ac9e9a
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2023XI11      Phys.Rev. C 108, 064605 (2023)

B.L.Xia, J.L.Lou, Y.L.Ye, Z.H.Li, Q.T.Li, H.Hua, X.F.Yang, J.Y.Xu, W.Liu, H.J.Ong, D.T.Tran, N.Aoi, E.Ideguchi, D.Y.Pang, C.X.Yuan, Y.Jiang, B.Yang, Y.Liu, J.G.Li, Z.Q.Chen, J.X.Han, S.W.Bai, G.Li, K.Ma, Z.W.Tan, H.Y.Zhu, H.Y.Ge, W.W.Wan

Search for the missing d-wave neutron excitation states in 13B

doi: 10.1103/PhysRevC.108.064605
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2023ZH14      Phys.Rev. C 107, 044310 (2023)

Z.H.Zhao, C.B.Li, K.Y.Ma, X.G.Wu, Y.Zheng, Y.K.Pan, J.L.Wang, H.C.Zhang, Y.C.Hao, X.F.Li, G.S.Li, S.H.Yao, C.Y.He, B.B.Yu, X.P.Cao, S.P.Hu, J.B.Lu, Y.J.Ma, D.Yang, H.D.Wang, G.Y.Liu, L.Li, C.Xu, Y.Y.Cheng

Possible antimagnetic rotational band in 114In

NUCLEAR REACTIONS 110Pd(7Li, 3n)114In, E=26 MeV; analyzed Eγ, Iγ, γγ-coin, γγ(θ)(DCO) data from an experiment reported by 2011Li43 in Eur. Phys. Jour. A 47, 191 (2011) at the HI-13 tandem accelerator of CIAE, Beijing. 114In; deduced high-spin levels, Jπ, multipolarities, bands, possible anti-magnetic rotational band, spherical configurations; predicted B(E2) and I2/B(E2) from classical particle-rotor model calculations. Systematics of yrast states in 102,104,106,108,110Ag and 104,106,108,110,112,114In.

doi: 10.1103/PhysRevC.107.044310
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2023ZH38      Phys.Rev. C 108, 024314 (2023)

H.C.Zhang, K.Y.Ma, J.X.Teng, Z.H.Zhao, H.Wang, S.Y.Liu, Y.C.Hao, J.B.Lu, Y.J.Ma, D.Yang, X.G.Wu, Y.Zheng, C.B.Li

New positive-parity bands in 110Ag and systematic studies in silver isotopes

NUCLEAR REACTIONS 110Pd(7Li, X)110Ag, E=65 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 110Ag; deduced levels, J, π, high-spin states, δ, DCO ratios, positive-parity rotational bands structure, B(M1)/B(E2) ratios for inside band transitions, configurations. Systematics of alignment for the bands, B(M1)/B(E2) ratios and energy staggering parameters in 105Ag, 106Ag, 107Ag, 108Ag, 109Ag, 110Ag. Comparison to particle-rotor model and geometrical model based calculations. Investigated signature inversion in odd-odd and odd-A silver isotopes. Array consisting of 9 Compton-suppressed HPGe detectors, 2 planar-type HPGe detectors, and 1 clover detector at HI-13 tandem accelerator of China Institute of Atomic Energy (CIAE).

doi: 10.1103/PhysRevC.108.024314
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Data from this article have been entered in the XUNDL database. For more information, click here.


2022HA10      Phys.Rev. C 105, 044302 (2022)

J.X.Han, Y.Liu, Y.L.Ye, J.L.Lou, X.F.Yang, T.Baba, M.Kimura, B.Yang, Z.H.Li, Q.T.Li, J.Y.Xu, Y.C.Ge, H.Hua, Z.H.Yang, J.S.Wang, Y.Y.Yang, P.Ma, Z.Bai, Q.Hu, W.Liu, K.Ma, L.C.Tao, Y.Jiang, L.Y.Hu, H.L.Zang, J.Feng, H.Y.Wu, S.W.Bai, G.Li, H.Z.Yu, S.W.Huang, Z.Q.Chen, X.H.Sun, J.J.Li, Z.W.Tan, Z.H.Gao, F.F.Duan, J.H.Tan, S.Q.Sun, Y.S.Song

Observation of the π2σ2-bond linear-chain molecular structure in 16C

NUCLEAR REACTIONS 2H(16C, X)16C/2H/1H/2H/3H/3He/4He/5He/6He/6Li/7Li/8Li/9Li/7Be/8Be/9Be/10Be/11Be/12Be, E=23.5 MeV/nucleon; measured reaction products, recoil 2H, 8Be and other outgoing particles; deduced Q-value spectra for breakup of excited states of 16C into 4He+12Be and 6He+10Be channels, angular correlation between 4He and 12Be decay fragments from the 16.5 MeV resonance in 16C, and 6He and 10Be fragments from the 19.4 MeV resonance in 16C. 16C; deduced excitation energy spectra reconstructed from 4He+12Be+2 H and 6He+10Be+2H channels, levels, resonances, total width. Comparison with previous experimental data, and with antisymmetrized molecular dynamics (AMD) theoretical calculations. Secondary 16C beam produced in 9Be(18O, X), E=59.6 MeV/nucleon primary reaction at the HIRFL-RIBLL facility in Lanzhou.

doi: 10.1103/PhysRevC.105.044302
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2022LI15      Phys.Rev. C 105, 034613 (2022)

W.Liu, J.L.Lou, Y.L.Ye, S.M.Wang, Z.W.Tan, Z.H.Li, Q.T.Li, H.Hua, X.F.Yang, J.Y.Xu, H.J.Ong, D.T.Tran, N.Aoi, E.Ideguchi, D.Y.Pang, C.X.Yuan, Y.Jiang, B.Yang, Y.Liu, J.G.Li, Z.Q.Chen, J.X.Han, S.W.Bai, G.Li, K.Ma, H.Y.Zhu, B.L.Xia

New investigation of low-lying states in 12Be via a 2H(13B, 3He) reaction

NUCLEAR REACTIONS 2H(13B, d), (13B, 3He), E=23 MeV/nucleon; measured reaction products, deuteron spectra, 3He spectra, angular distributions; deduced σ(θ), optical potential parameters. 12Be; deduced levels, J, π, spectroscopic factors, resonance widths. DWBA analysis. Comparison to various calculations in particular to one using the shell model with the YSOX interaction and Gamow coupled-channel (GCC) approach (for the resonance widths). Secondary beam from 18O(9Be, X), E=60 MeV/nucleon (RCNP, Osaka).

doi: 10.1103/PhysRevC.105.034613
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Data from this article have been entered in the XUNDL database. For more information, click here.


2022PA27      Chin.Phys.C 46, 094001 (2022)

Y.-K.Pan, K.-Y.Ma, J.-B.Lu

Possible multiple antimagnetic rotational bands in odd-A 103, 105Pd and 109Cd nuclei

NUCLEAR STRUCTURE 103,105Pd, 109Cd; calculated bands, B(E2), angular momenta using the classical particle-rotor model. Comparison with available data.

doi: 10.1088/1674-1137/ac6dab
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2022RE11      Phys.Rev. C 106, 024323 (2022), Erratum Phys.Rev. C 107, 049902 (2023)

Z.Ren, J.-B.Lu, G.-L.Zhang, Y.-H.Wu, T.-J.Gao, K.-Y.Ma, Z.Huang, G.-X.Zhang, M.-L.Wang, S.-P.Hu, H.-B.Sun, H.-Q.Zhang, D.Testov, P.R.John, J.J.Valiente-Dobon, A.Goasduff, M.Siciliano, F.Galtarossa, D.Mengoni, D.Bazzacco

Reinvestigation of the level structures of the N=49 isotones 89Zr and 91Mo

NUCLEAR REACTIONS 89Y(6Li, 4n2p)89Zr, (6Li, 4n)91Mo, E=34 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO), (particle)γ-coin using GALILEO array with 25 BGO-Compton-suppressed HPGe detectors for γ rays, and EUCLIDES 4π Si-ball array for charged particles at the Tandem-XTU accelerator of INFN-LNL, Legnaro. 89Zr, 91Mo; deduced high-spin levels, J, π, ADO ratios, multipolarities, configurations. 91Nb, 92Mo; deduced ADO ratios for certain γ-transitions. Comparison with spherical-basis shell-model calculations.

NUCLEAR STRUCTURE 89Zr, 91Mo; calculated levels, J, π, components of the wave functions and their partitions for spherical configurations for protons and neutrons. Comparison with experimental data. Systematics of energies in N=49 isotones: 9/2+, 13/2+, 17/2+, 21/2+, 23/2+ and 25/2+ states in 89Zr, 91Mo, 93Ru, 95Pd, and those of 8+, 9+, 10+, 12+, 13+ and 14+ in 88Y, 90Nb, 92Tc, 94Rh.

doi: 10.1103/PhysRevC.106.024323
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2022TA09      Chin.Phys.C 46, 054001 (2022)

Z.W.Tan, J.L.Lou, Y.L.Ye, Y.Liu, D.Y.Pang, C.X.Yuan, J.G.Li, W.Liu, Y.Jiang, B.Yang, L.C.Tao, K.Ma, Z.H.Li, Q.T.Li, X.F.Yang, J.Y.Xu, H.Z.Yu, J.X.Han, S.W.Bai, S.W.Huang, G.Li, H.Y.Wu, H.L.Zang, J.Feng, J.S.Wang, Y.Y.Yang, P.Ma, Q.Hu, Z.Bai, Z.H.Gao, F.F.Duan, L.Y.Hu, J.H.Tan, S.Q.Sun, Y.S.Song, H.J.Ong, D.T.Tran, H.Y.Zhu, B.L.Xia

Investigation of negative-parity states in 16C via deuteron inelastic scattering

NUCLEAR REACTIONS 16C(d, d'), E=59.6 MeV/nucleon; measured reaction products; deduced σ(θ), optical model potentials, deformation lengths, energy levels, J, π. Comparison with the distorted-wave Born approximation (DWBA) and shell model calculations. The Radioactive Ion Beam Line in Lanzhou (RIBLL), Institute of Modern Physics (IMP), China.

doi: 10.1088/1674-1137/ac488b
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2022WU08      Phys.Rev. C 105, 034344 (2022)

Y.-H.Wu, J.-B.Lu, Z.Ren, G.-J.Fu, J.Li, K.-Y.Ma, Y.-J.Ma, X.-G.Wu, Y.Zheng, C.g-B.Li, J.Wen

Level structure of the 93Nb nucleus and systematics of features in neighboring nuclei

NUCLEAR REACTIONS 82Se(14N, 3n), E=54 MeV; 82Se(16O, 4np), E not given; measured Eγ, Iγ, γγ-coin. 93Nb; deduced levels, J, π, ADO ratios, high-spin states, configurations. Comparison to shell-model calculations performed with NUSHELLX code with the GWBXG effective interaction. Systematics of low-lying states in the odd-A Nb and Tc isotopes, the even-even Zr isotopes, and the N=52 isotones. HI-13 tandem accelerator at the China Institute of Atomic Energy.

doi: 10.1103/PhysRevC.105.034344
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2022WU17      Phys.Rev. C 106, 054326 (2022)

Y.-H.Wu, J.-B.Lu, Z.Ren, T.-J.Gao, P.-Y.Yang, Y.Hao, G.n-J.Fu, J.Li, K.-Y.Ma, X.-G.Wu, Y.Zheng, C.-B.Li

Investigation of level structure in the semimagic nucleus 91Nb and systematics of nuclear structure characteristics near A = 90

NUCLEAR REACTIONS 82Se(14N, 5n), E=54 MeV;76Ge(19F, 4n), E not given; measured Eγ, Iγ, γγ(θ). 91Nb; deduced levels, J, π, high-spin states, bands structure, angular distribution from oriented nuclei (ADO), configurations, δ. Comparison to shell-model calculations with the GWBXG effective interaction. Systematics of the first 2+ states for N=46–60 - Zr, Mo, Ru, Pd and Cd isotopes. Investigated evolution of positive parity states in even-even N=50 isotones 90Zr, 92Mo, 94Ru, 96Pd, 98Cd and positive parity states in odd-A N=50 isotones 91Nb, 93Tc, 95Rh, 97Ag. Beams provided by HI-13 tandem accelerator at the China Institute of Atomic Energy.

doi: 10.1103/PhysRevC.106.054326
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2021LI64      Phys.Rev. C 104, 064605 (2021)

W.Liu, J.L.Lou, Y.L.Ye, Z.H.Li, Q.T.Li, H.Hua, X.F.Yang, J.Y.Xu, H.J.Ong, D.T.Tran, N.Aoi, E.Ideguchi, D.Y.Pang, C.X.Yuan, S.M.Wang, Y.Jiang, B.Yang, Y.Liu, J.G.Li, Z.Q.Chen, J.X.Han, S.W.Bai, G.Li, K.Ma, Z.W.Tan, H.Y.Zhu, B.L.Xia

s- and d-wave intruder strengths in 13Bg.s. via the 1H(13B, d)12B reaction

NUCLEAR REACTIONS 1H(13B, p), (13B, d)12B, E=23 MeV/nucleon, [13B secondary beam from 9Be(18O, X), E=58 MeV/nucleon]; measured reaction products, E(d), I(d), E(p), I(p), σ(θ), (particle)(particle)-coin using four sets of charged-particle telescopes of double-sided silicon strip (DSSD) detectors at RCNP-Osaka accelerator facility. 12,13B; analyzed optical potential parameters for low energy elastic scattering and single-neutron transfer reaction. 13B; deduced levels, J, π, L-transfers from σ(θ) distributions relative spectroscopic factors, s- and d-wave intruder strengths in the ground state; calculated p-, s-, and d-wave intensities from the shell model with the YSOX interaction and Gamow coupled-channel (GCC) approach. Comparison with systematics of p-, s-, and d-wave intensities in the ground state of 12Be, 13B and 14C.

doi: 10.1103/PhysRevC.104.064605
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2021MA15      Phys.Rev. C 103, 024302 (2021)

K.Y.Ma, H.Wang, H.N.Pan, J.B.Lu, Y.J.Ma, D.Yang, Q.Y.Yang, X.Guan, J.Q.Wang, S.Y.Liu, H.C.Zhang, X.G.Wu, Y.Zheng, C.B.Li

High-spin states and possible chirality in odd-odd 110Ag

NUCLEAR REACTIONS 110Pd(7Li, 3nα)110Ag, E=46 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using Compton-suppressed HPGe detectors, two planar-type HPGe detectors, and one clover HPGe detector at the HI-13 tandem accelerator of CIAE-Beijing. 110Ag; deduced high-spin levels, J, π, bands, multipolarities, alignments, configurations, moment of inertia plots, staggering parameters, B(M1)/B(E2), chiral doublet bands. Comparison with Cranked shell model calculations.

doi: 10.1103/PhysRevC.103.024302
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2021WA17      Chin.Phys.C 45, 014001 (2021)

H.Wang, K.-Y.Ma, Y.-H.Wu, Y.-F.Lv, H.-N.Pan, J.-B.Lu

Multi-quasiparticle excitations and the impact of the high-j intruder orbital in the N = 51 93Mo nucleus

NUCLEAR STRUCTURE 93Mo; calculated levels energies J, π, occupation numbers using Large Scale Shell Model. Comparison with experimental data.

doi: 10.1088/1674-1137/abc0cb
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2021WA44      Chin.Phys.C 45, 094106 (2021)

H.Wang, K.-Y.Ma, S.-Y.Liu, J.-B.Lu

Core breaking and possible magnetic rotation in the semimagic nucleus 90Zr

NUCLEAR STRUCTURE 90Zr; calculated wave functions, J, π, level energies, angular momenta, B(M1) in terms of large scale shell model. Comparison with available data.

doi: 10.1088/1674-1137/ac0fd2
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2021YU04      Chin.Phys.C 45, 084002 (2021)

H.-z.Yu, J.Li, Y.-L.Ye, B.Yang, C.-J.Lin, H.-M.Jia, J.-L.Lou, X.-F.Yang, T.Baba, Q.-T.Li, Y.-C.Ge, Z.-H.Li, H.Hua, J.-Y.Xu, Z.-H.Yang, J.Feng, H.-L.Zang, Q.Liu, W.Jiang, Y.Liu, J.-J.Li, W.Liu, S.-W.Bai, J.Chen, J.-X.Han, J.-H.Chen, K.Ma, D.-X.Wang, L.Yang, N.-R.Ma, L.-J.Sun

Novel evidence for the σ-bond linear-chain molecular structure in 14C

NUCLEAR REACTIONS 7Li(11B, α)14C, E=55 MeV; measured reaction products, Eα, Iα. 4He, 10Be; deduced Q-values, energy levels, J, π. Comparison with theoretically predicted band head of the positive-parity σ-bond linear-chain molecular band.

doi: 10.1088/1674-1137/ac04a0
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2021ZH66      Nucl. Sci. Tech. 32, 107 (2021)

J.Zhong, X.-G.Wu, S.-P.Hu, Y.-J.Ma, Y.Zheng, C.-B.Li, G.-S.Li, B.-J.Zhu, T.-X.Li, Y.-J.Jin, Y.-X.Gao, Q.-W.Fan, K.-Y.Ma, D.Yang, H.-B.Sun, H.-G.Zhao, L.Gan, Q.Luo, Z.X.Wu

Lifetime measurements in 138Nd

NUCLEAR REACTIONS 123Sb(19F, 4n), E=87 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, J, π, partial level scheme, level T1/2, B(E2). Comparison with Grodzins systematics and available data. The recoil distance Doppler shift technique in combination with the differential decay curve method. The HI-13 tandem accelerator of the China Institute of Atomic Energy (CIAE) in Beijing.

doi: 10.1007/s41365-021-00953-4
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2020LI14      Phys.Rev.Lett. 124, 192501 (2020)

Y.Liu, Y.L.Ye, J.L.Lou, X.F.Yang, T.Baba, M.Kimura, B.Yang, Z.H.Li, Q.T.Li, J.Y.Xu, Y.C.Ge, H.Hua, J.S.Wang, Y.Y.Yang, P.Ma, Z.Bai, Q.Hu, W.Liu, K.Ma, L.C.Tao, Y.Jiang, L.Y.Hu, H.L.Zang, J.Feng, H.Y.Wu, J.X.Han, S.W.Bai, G.Li, H.Z.Yu, S.W.Huang, Z.Q.Chen, X.H.Sun, J.J.Li, Z.W.Tan, Z.H.Gao, F.F.Duan, J.H.Tan, S.Q.Sun, Y.S.Song

Positive-Parity Linear-Chain Molecular Band in 16C

NUCLEAR REACTIONS 2H(16C, X)2H, E=23.5 MeV/nucleon; measured reaction products, Eα, Iα. 16C; deduced excitation energies, spin parities, total decay widths of the resonances in 16C. Comparison with AMD calculations.

doi: 10.1103/PhysRevLett.124.192501
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020MA41      Eur.Phys.J. A 56, 209 (2020)

K.Y.Ma, J.B.Lu, J.Li, Y.J.Ma, D.Yang, W.J.Sun, Q.Y.Yang, X.Guan, J.Q.Wang, H.N.Pan, H.Wang, T.F.Cui, D.M.Zhang, L.H.Zhu, X.G.Wu, Y.Zheng, C.B.Li

Candidate magnetic rotational band in 109Ag

NUCLEAR REACTIONS 110Pd(7Li, 4nα)109Ag, E=46 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and intensities, J, π, level scheme, bands, momenta, B(M1)/B(E2) ratios.

doi: 10.1140/epja/s10050-020-00213-w
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2020MA47      J.Phys.(London) G47, 085106 (2020)

K.Y.Ma, J.B.Lu, J.Li, D.Yang, Y.J.Ma, W.J.Sun, J.Q.Wang, Q.Y.Yang, H.Wang, H.N.Pan, D.M.Zhang, L.H.Zhu, X.G.Wu, Y.Zheng, C.B.Li

Possible 'stapler' band in 109Ag nucleus

NUCLEAR REACTIONS 110Pd(7Li, X)109Ag, E=46 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, multipolarities, J, π, negative-parity band. Comparison with theoretical calculations.

doi: 10.1088/1361-6471/ab920c
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2020WU03      Pramana 94, 53 (2020)

Y.H.Wu, K.Y.Ma, F.Cheng, X.Y.Cai

Shell model description of the core excited level structure of 89Sr nucleus and systematic features of the N=51 odd-A isotones

NUCLEAR STRUCTURE 89Sr; calculated energy levels, J, π using NuShellX code.

doi: 10.1007/s12043-020-1917-x
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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
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2019LV02      Chin.Phys.C 43, 104102 (2019)

Y.-F.Lv, J.-B.Lu, G.-L.Zhang, Y.-H.Wu, C.-X.Yuan, G.-J.Fu, G.-X.Zhang, Z.Huang, M.-L.Wang, S.-P.Hu, H.-B.Sun, H.-Q.Zhang, C.-Q.Li, K.-Y.Ma, Y.-J.Ma, Yu.-Z.Liu, D.Testov, P.R.John, J.J.Valiente-Dobon, A.Goasduff, M.Siciliano, F.Galtarossa, F.Recchia, D.Mengoni, D.Bazzacco

Low-lying states of 92, 93Nb excited in the reactions induced by the weakly-bound nucleus 6Li near the Coulomb barrier

NUCLEAR REACTIONS 89Y(6Li, X)92Nb/93Nb, E=34 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, level schemes.

doi: 10.1088/1674-1137/43/10/104102
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2019MA48      Phys.Rev. C 100, 014326 (2019)

K.Y.Ma, J.B.Lu, J.Li, D.Yang, Y.J.Ma, W.J.Sun, X.Guan, D.M.Zhang, L.H.Zhu, X.G.Wu, Y.Zheng, C.B.Li, Y.Z.Liu

Possible antimagnetic rotational band and neutron alignment in 113In

NUCLEAR REACTIONS 110Pd(7Li, 4n), E=38, 50 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using HPGe detector array at CIAE-Beijing. 113In; deduced levels, J, π, multipolarities, configurations, alignments, magnetic dipole rotational (shears) bands, antimagnetic rotational bands. Comparison with self-consistent tilted axis cranking relativistic mean-field calculations, with the structure of 111In, and with previous experimental results; predicted B(E2), deformation parameters β2 and γ, and J2/B(E2).

doi: 10.1103/PhysRevC.100.014326
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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
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2018MA06      Phys.Rev. C 97, 014305 (2018)

K.Y.Ma, J.B.Lu, Z.Zhang, J.Q.Liu, D.Yang, Y.M.Liu, X.Xu, X.Y.Li, Y.Z.Liu, X.G.Wu, Y.Zheng, C.B.Li

Candidate chiral doublet bands in 138Pm

NUCLEAR REACTIONS 124Te(19F, 5n), E=105 MeV from HI-13 tandem accelerator at CIAE, Beijing; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using an array of ten Compton-suppressed HPGe, one HPGe planar and one clover Ge detectors. 138Pm; deduced high-spin levels, J, π, chiral doublet band, energy staggering, alignments, configuration, B(M1)/B(E2) ratio. Cranked shell model calculations for quasiproton and quasineutron Routhians, and total Routhian surface (TRS) in (β, γ) plane. Systematics of energy staggering in chiral doublet bands in 120,122,124,126,128,130,132Cs, 124,126,128,130,132,134La, 126,128,130,132,134,136Pr, 134,136,138Pm.

doi: 10.1103/PhysRevC.97.014305
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2017CH01      At.Data Nucl.Data Tables 113, 258 (2017)

Z.-B.Chen, K.Ma, H.-J.Wang, K.Wang, X.-B.Liu, J.-L.Zeng

Energy levels, oscillator strengths, line strengths, and transition probabilities in Si-like ions of La XLIII, Er LIV, Tm LV, and Yb LVI

ATOMIC PHYSICS La, Er, Tm, Yb; calculated energy levels and E1 transition rates of Si-like ions; deduced Breit interaction and Quantum Electrodynamics effects.

doi: 10.1016/j.adt.2016.03.002
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2017MA04      Eur.Phys.J. A 53, 10 (2017)

K.Y.Ma, J.B.Lu, X.Xu, Y.M.Liu, Z.Zhang, X.Y.Li, D.Yang, Y.Z.Liu, X.G.Wu, C.Y.He, Y.Zheng, C.B.Li

Structure of a positive-parity band in 130Pr

NUCLEAR REACTIONS 99Ru(35Cl, 2n2p), E=151 MeV; measured Eγ, Iγ, γγ-coin using nine Compton-suppressed HPGe, two planar HPGe and one clover detector; deduced γ transitions, levels, J, π, rotational bands, high-spin states, transition multipolarity, possible interpretation of the side band.

doi: 10.1140/epja/i2017-12204-y
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2016SU17      Chin.Phys.C 40, 084101 (2016)

W.-J.Sun, H.-D.Xu, J.Li, Y.-H.Liu, K.-Y.Ma, D.Yang, J.-B.Lu, Y.-J.Ma

Antimagnetic rotation in 108, 110In with tilted axis cranking relativistic mean-field approach

NUCLEAR STRUCTURE 108,110In; calculated energy levels, J, π, B(E2), rotational bands. Tilted axis cranking relativistic mean-field theory, comparison with available data.

doi: 10.1088/1674-1137/40/8/084101
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2014JI05      Chin.Phys.C 38, 084103 (2014)

Z.-J.Jiang, K.Ma, H.-L.Zhang, L.-M.Cai

Pseudorapidity distributions of the produced charged particles in nucleus-nucleus collisions at low energies at the BNL relativistic heavy ion collider

doi: 10.1088/1674-1137/38/8/084103
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2014LI28      Chin.Phys.C 38, 074004 (2014)

H.-W.Li, J.-B.Lu, G.-S.Li, Y.Zhen, S.-H.Yao, X.-G.Wu, C.-Y.He, Q.-L.Xia, J.-J.Liu, C.-B.Li, S.-P.Hu, J.-L.Wang, Y.-H.Wu, P.-W.Luo, K.-Y.Ma, C.Xu, J.-J.Sun

New high spin level scheme of 87Sr

NUCLEAR REACTIONS 82Se(9Be, 4n), E=46 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced energy levels, intensities, partial level scheme, high-spin states. Comparison with available data.

doi: 10.1088/1674-1137/38/7/074004
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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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2013LI27      Chin.Phys.Lett. 30, 062301 (2013)

L.Li, J.Sun, J.Li, D-Y.Yu, G.-Y.Liu, W.-T.Zhang, K.-Y.Ma, D.Yang, Y.-J.Ma, X.-G.Wu, L.-H.Zhu, C.-Y.He, Y.Zheng, S.-H.Yao, C.-B.Li, S.P.Hu, X.-P.Cao, J.-L.Wang, B.-B.Yu

High-Spin Level Scheme of 120I

NUCLEAR REACTIONS 114Cd(11B, 5n), E=70 MeV; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, bands at high spin, isomeric state correction. Comparison with available data.

doi: 10.1088/0256-307X/30/6/062301
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2013LI33      Phys.Rev. C 88, 014317 (2013)

J.Li, C.Y.He, Y.Zheng, C.B.Li, K.Y.Ma, J.B.Lu

Signature splitting and magnetic rotation in 86Y

NUCLEAR STRUCTURE 84,86Y, 84Rb; analyzed signature splitting and magnetic rotation for bands, configurations; calculated B(E2), B(M1). Self-consistent tilted axis cranking calculations based on relativistic mean-field (TAC-RMF) theory.

doi: 10.1103/PhysRevC.88.014317
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2013MA30      Chin.Phys.C 37, 044001 (2013)

K.-Y.Ma, J.-B.Lu, D.Yang, H.-D.Wang, Y.-Z.Liu, J.Li, G.-Y.Liu, L.Li, Y.-J.Ma, X.-G.Wu, G.-S.Li, G.-S.Li, Y.Zheng, C.-Y.He

Doublet bands in 128La and systematic features of energy separation of doublet bands observed in the A ∼ 130 mass region

NUCLEAR REACTIONS 118Sn(14N, 4n)128La, E=69 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced energy transitions, J, π, positive parity side and yrast bands. Comparison with available data.

doi: 10.1088/1674-1137/37/4/044001
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2013MA84      Phys.Rev. C 88, 057302 (2013)

K.Y.Ma, J.B.Lu, S.P.Ruan, D.Yang, J.Li, Y.Z.Liu, Y.J.Ma, X.G.Wu, Y.Zheng, C.Y.He

Observation of a second πh11/2 (X) ν11/2 band in 126La

NUCLEAR REACTIONS 116Sn(14N, 4n), E=77 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) at CIAE facility. 126La; deduced high-spin levels, J, π, multipolarity, bands, configurations, alignment plot, B(M1)/B(E2), energy staggering parameter. Systematics of band structures and energy staggering parameters in 124,126,128,130,132,134La. Comparison with cranked shell model (CSM) calculations.

doi: 10.1103/PhysRevC.88.057302
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2012LI51      Phys.Rev. C 86, 057305 (2012)

X.W.Li, J.Li, J.B.Lu, K.Y.Ma, Y.H.Wu, L.H.Zhu, C.Y.He, X.Q.Li, Y.Zheng, G.S.Li, X.G.Wu, Y.J.Ma, Y.Z.Liu

Candidate antimagnetic rotational band in 112In

NUCLEAR REACTIONS 110Pd(7Li, 5n)112In, E=50 MeV; measured Eγ, Iγ, γγ-coin, DCO ratios. 112In; deduced levels, J, π, multipolarity, bands, configurations. Comparison with Self-consistent tilted axis cranking relativistic mean-field (TAC-RMF) calculations.

NUCLEAR STRUCTURE 112In; calculated B(E2), deformation. TAC-RMF calculations.

doi: 10.1103/PhysRevC.86.057305
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2012MA09      Phys.Rev. C 85, 037301 (2012)

K.Y.Ma, J.B.Lu, D.Yang, H.D.Wang, Y.Z.Liu, X.G.Wu, Y.Zheng, C.Y.He

Candidate chiral doublet bands in 128La

NUCLEAR REACTIONS 118Sn(14N, 4n)128La, E=69 MeV; measured Eγ, Iγ, DCO, γγ-coin. 128La; deduced levels, J, π, multipolarity, bands, B(M1)/B(E2) ratio, configuration, chiral doublet. Systematics of yrast bands for 128,130,132,134La nuclides.

doi: 10.1103/PhysRevC.85.037301
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2012MA18      Chin.Phys.Lett. 29, 062102 (2012)

K.-Y.Ma, J.-B.Lu, D.Yang, J.Li, H.-D.Wang, Y.-Z.Liu, X.-G.Wu, L.-H.Zhu, Y.Zheng, C.-Y.He

High Spin States of 113In

NUCLEAR REACTIONS 110Pd(7Li, 4n)113In, E=50 MeV; measured reaction products, Eγ, Iγ; deduced nuclear level energies, J, π, high-spin bands, negative parity yrast backbending. Comparison with available data, self-consistent tilted axis cranking relativistic mean field calculations.

doi: 10.1088/0256-307X/29/6/062102
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2012MA27      Eur.Phys.J. A 48, 82 (2012)

K.Y.Ma, J.B.Lu, D.Yang, H.D.Wang, Y.Z.Liu, J.Li, L.H.Zhu, X.G.Wu, Y.Zheng, C.Y.He

Level structures of 113In

NUCLEAR REACTIONS 110Pd(7Li, 4n), E=50 MeV; measured Eγ, Iγ(θ), γγ-coin; deduced γ-transitions, levels, J, π, rotational bands, bands, deformation evolution, angular momentum vs rotational frequency.

doi: 10.1140/epja/i2012-12082-9
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2012MA36      Phys.Rev. C 86, 027301 (2012)

K.Y.Ma, J.B.Lu, D.Yang, H.D.Wang, Y.Z.Liu, X.G.Wu, Y.Zheng, C.Y.He

Spin assignments of rotational bands in 128La

NUCLEAR REACTIONS 118Sn(14N, 4n)128La, E=69 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO). 128La; deduced high-spin levels, J, π, bands, multipolarity, alignments, B(M1)/B(E2) ratios, configurations. Systematics of alignments of bands in 127,128,131La and 127Ba.

doi: 10.1103/PhysRevC.86.027301
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2012WA17      Chin.Phys.Lett. 29, 062103 (2012)

L.-L.Wang, J.-B.Lu, D.Yang, K.-Y.Ma, Y.-H.Zhou, L.-I.Yin, X.-G.Wu, S.-X.Wen, G.-S.Li, c.-X.Yang

High-Spin Structure in Odd-Odd 160Lu Nucleus

NUCLEAR REACTIONS 144Sm(19F, 3n)160Lu, E=90, 106 MeV; measured reaction products, Eγ, Iγ; deduced nuclear level energies, J, π, positive parity high-spin bands, isomeric state. Comparison with available data.

doi: 10.1088/0256-307X/29/6/062103
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2011LE23      Nucl.Instrum.Methods Phys.Res. A654, 157 (2011)

J.I.Lee, H.C.Bhang, J.H.Choi, E.J.Jeon, W.G.Kang, H.J.Kim, S.C.Kim, S.K.Kim, Y.D.Kim, J.H.Lee, M.J.Lee, S.J.Lee, K.J.Ma, S.S.Myung, S.Ryu, J.H.So

Experimental study on neutrinoless double beta decay of 92Mo

RADIOACTIVITY 92Mo(β+EC); measured decay products, Eβ, Iβ; deduced T1/2 limit. CaMoO4 scintillator.

doi: 10.1016/j.nima.2011.05.083
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2011LI43      Eur.Phys.J. A 47, 141 (2011)

C.B.Li, Y.Zheng, X.G.Wu, X.F.Li, C.Y.He, G.S.Li, S.H.Yao, B.B.Yu, X.P.Cao, S.P.Hu, J.L.Wang, J.B.Lu, Y.J.Ma, D.Yang, H.D.Wang, K.Y.Ma, G.Y.Liu, L.Li, C.Xu, Y.Y.Cheng

Level structures in the 114In nucleus

NUCLEAR REACTIONS 110Pd(7Li, 3n), (7Li, X), E=22, 24, 26, 28, 32 MeV; measured Eγ, Iγ(θ); deduced discrete γ transitions σ; calculated σ to different residual nuclei. 114In deduced levels, J, π, γ transitions, γ multipolarities, high-spin states, bands, backbending. PACED code; comparison with data on different In isotopes.

doi: 10.1140/epja/i2011-11141-1
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2010ZH32      Nucl.Phys. A834, 291c (2010)

D.C.Zhou, Y.X.Mao, R.Z.Wan, Y.Schutz, Z.-B.Yin, Y.P.Wang, K.Ma, G.Conesa, Y.Kharlov, M.L.Wang, X.R.Zhu, X.Yin, X.Cai, and the ALICE Collaboration

Potential physics measurement with ALICE electromagnetic calorimeters

doi: 10.1016/j.nuclphysa.2010.01.001
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2009YA10      Chin.Phys.Lett. 26, 082101 (2009)

D.Yang, J.-B.Lu, Y.-Z.Liu, L.-L.Wang, K.-Y.Ma, C.-D.Yang, D.-K.Han, Y.-X.Zhao, Y.-J.Ma, L.-H.Zhu, X.-G.Wu, G.-S.Li

Clarification of Confusion in Level Scheme of 124Cs

NUCLEAR REACTIONS 116Sn(11B, 3n), E=45 MeV; measured Eγ, Iγ, γγ-coin.; deduced level scheme, energies, E1 transition for alternate parity bands, octupole correlations.

doi: 10.1088/0256-307X/26/8/082101
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2008LU17      Int.J.Mod.Phys. E17, Supplement 1, 21 (2008)

J.B.Lu, D.Yang, L.Sun, L.L.Wang, H.D.Wang, K.Y.Ma, Y.Z.Liu, L.H.Zhu, X.G.Wu, G.S.Li

Observation of four-quasiparticle band and signature splitting features in 160Tm

NUCLEAR REACTIONS 146Nd(19F, 5n), E=102 MeV; measured Eγ, Iγ, γγ-coin.; deduced J, π, high-spin states, level scheme.

doi: 10.1142/S0218301308011720
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2006ZH13      Astrophys.J. 642, 1075 (2006)

B.Zhang, K.Ma, G.Zhou

Neutron-capture elements in the s- and r-process-rich stars: Constraints on neutron-capture nucleosynthesis processes

doi: 10.1086/501421
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Note: The following list of authors and aliases matches the search parameter K.Ma: , K.C.MA, K.J.MA, K.Y.MA