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NSR database version of April 27, 2024.

Search: Author = D.M.Zhang

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2024LU07      Chin.Phys.C 48, 044105 (2024)

S.Luo, D.-M.Zhang, L.-J.Qi, X.Chen, P.-Ch.Chu, X.-H.Li

α-particle preformation factors in heavy and superheavy nuclei

RADIOACTIVITY ^{220,222,224,226,228,230,232}Th, ^{222,224,226,228,230,232,234,236,238}U, ^{230,232,234,236,238,240,242,244}Pu, ^{234,236,238,240,242,244,246,248}Cm, ^{238,240,242,244,246,248,250,252,254}Cf, ^{244,246,248,250,252,254,256}Fm, ^252,254,256No, ^256,258Rf, ²⁶⁰Sg, ^266,268,270Hs, ²⁷⁰Ds, ²⁸²Ds, ²⁸⁶Cn, ^286,288Fl, ^290,292Lv, ²⁹⁴Og(α); calculated T_1/2 using the Two-Potential Approach (TPA); deduced preformation factors. Comparison with available data.

doi: 10.1088/1674-1137/ad21e9
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2024ZH20      Chin.Phys.C 48, 044102 (2024)

D.-M.Zhang, X.-Y.Hu, L.-J.Qi, H.-M.Liu, M.Li, X.-H.Li

Theoretical calculations of proton emission half-lives based on a deformed Gamow-like model

RADIOACTIVITY ^108,109I, ^112,113Cs, ¹¹⁷La, ¹²¹Pr, ¹³⁵Tb, ¹⁴¹Ho(p); calculated proton emission T_1/2 with deformed Gamow-like model, where the deformation effect was included in the Coulomb potential. Comparison with available data.

doi: 10.1088/1674-1137/ad243d
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2023LU06      Eur.Phys.J. A 59, 125 (2023)

S.Luo, L.-J.Qi, D.-M.Zhang, B.He, P.-C.Chu, X.-H.Li

An improved empirical formula of α decay half-lives for superheavy nuclei

RADIOACTIVITY ^234,236,238Cm, ²⁴²Cm, ²⁴⁶Cm, ²³⁸Cf, ²⁴²Cf, ²⁴⁶Cf, ²⁵⁰Cf, ²⁵⁴Cf, ²⁴⁶Fm, ²⁵⁰Fm, ²⁵⁴Fm, ²⁵²No, ²⁵⁶No, ²⁵⁸Rf, ²⁶⁶Hs, ²⁷⁰Hs, ²⁸²Ds, ²⁸⁶Fl, ²⁹⁰Lv, ²⁹⁴Og(α); calculated T_1/2; deduced formula. Comparison with available data.

doi: 10.1140/epja/s10050-023-01040-5
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2023QI01      Chin.Phys.C 47, 014101 (2023)

L.-J.Qi, D.-M.Zhang, S.Luo, X.-H.Li, X.-J.Wu, C.-T.Liang

Systematic calculations of cluster radioactivity half-lives in trans-lead nuclei

RADIOACTIVITY ²²¹Fr, ^{221,222,223,224}Ra, ²²⁶Ra, ²²³Ac(¹⁴C), ²²⁸Th(²⁰O), ²³¹Pa(²³F), ²³⁰Th, ²³¹Pa, ^232,233,234U(²⁴Ne), ²³³U(²⁵Ne), ²³⁴U(²⁶Ne), (²⁸Mg), ^236,238Pu(²⁸Mg), ²³⁸Pu(³⁰Mg), (³²Si), ²⁴²Cm(³⁴Si), ^219,220Rn(¹⁴C), ²²¹Fr(¹⁵N), ²²³Ra(¹⁸O), ²²⁵Ra(¹⁴C), ^225,226Ra(²⁰O), ²²³Ac(¹⁵N), ²²⁷Ac(²⁰O), ²²⁹Ac(²³F), ²²⁶Th(¹⁸O), (¹⁴C), ²²⁷Th(¹⁸O), ²²⁸Th(²²Ne), (²⁴Ne), ²²⁹Th(²⁰O), ²³¹Th(²⁴Ne), (²⁵Ne), ²³²Th(²⁶Ne), ²²⁷Pa(¹⁸O), ²²⁹Pa(²²Ne), ²³⁰U(²²Ne), (²⁴Ne), ^232,233U(²⁸Mg), ²³⁵U(²⁴Ne), (²⁵Ne), (²⁸Mg), (²⁹Mg), ²³⁶U(²⁴Ne), (²⁵Ne), (²⁸Mg), (³⁰Mg), ²³⁸U(³⁰Mg), ²³¹Np(²²Ne), ²³³Np(²⁴Ne), ²³⁵Np(²⁸Mg), ²³⁷Np(³⁰Mg), ²³⁷Pu(²⁸Mg), ²³⁹Pu(²⁹Mg), (³⁴Si), (³²Si), (³⁰Mg), ²³⁷Am(²⁸Mg), ²³⁹Am(³²Si), ²⁴¹Am(³⁴Si), ^240,241Cm(³²Si), ^243,244Cm(³⁴Si); calculated T_1/2. Comparison with available data.

doi: 10.1088/1674-1137/ac94bd
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2023QI05      Chin.Phys.C 47, 064107 (2023)

L.-J.Qi, D.-M.Zhang, S.Luo, B.He, X.-J.Wu, X.Chen, X.-H.Li

New Geiger-Nuttall law for cluster radioactivity half-lives

RADIOACTIVITY ²²¹Fr, ^{221,222,223,224}Ra, ²²⁶Ra, ^223,225Ac(¹⁴C), ²²⁸Th(²⁰O), ²³¹Pa(²³F), ²³⁰Th, ²³¹Pa, ^{232,233,234,235}U(²⁴Ne), ²³³U(²⁵Ne), ²³⁴U(²⁶Ne), ^234,236U, ^236,238Pu(²⁸Mg), ²³⁶U(³⁰Mg), ²³⁸Pu(³⁰Mg), (³²Si), ²⁴²Cm(³⁴Si); calculated T_1/2 from Balasubramaniam's formula and further considering the effect of the parent nucleus mass, blocking effect, and effect of reduced mass on cluster radioactivity half-lives; deduced a new Geiger-Nuttall law that is model-independent. Comparison with available data.

doi: 10.1088/1674-1137/accc78
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2023QI06      Phys.Rev. C 108, 014325 (2023)

L.-J.Qi, D.-M.Zhang, S.Luo, G.-Q.Zhang, P.-C.Chu, X.-J.Wu, X.-H.Li

Cluster radioactivity preformation probability of trans-lead nuclei in the N_pN_n scheme

RADIOACTIVITY ²²¹Fr, ^{221,222,223,224,226}Ra, ²²³Ac(¹⁴C);²²⁸Th(²⁰O);²³¹Pa(²³F);²³⁰Th, ²³¹Pa, ^232,233,234U(²⁴Ne);²³³U(²⁵Ne);²³⁴U(²⁶Ne);²³⁴U, ^236,238Pu(²⁸Mg), ²³⁸Pu(³⁰Mg);²³⁸Pu(³²Si);²⁴²Cm(³⁴Si); calculated cluster preformation probability. Comparison of results obtained with unified fission model (model dependent approach), cluster formation model (microscopic approach) and Wei model (analytical formula).

doi: 10.1103/PhysRevC.108.014325
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2023QI07      Eur.Phys.J. A 59, 255 (2023)

L.-J.Qi, D.-M.Zhang, S.Luo, X.-H.Li, B.He, P.C.Chu

Cluster radioactivity half-lives of trans-lead nuclei with a statistical physical preformation factor

RADIOACTIVITY ²²¹Fr, ^221,222,223Ra, ²²³Ac, ^224,226Ra(¹⁴C), ²²⁸Th(²⁰O), ²³⁰Th(²⁴Ne), ²³¹Pa(²³F), ²³¹Pa, ^232,233U(²⁴Ne), ²³³U(²⁵Ne), ²³⁴U(²⁴Ne), ²³⁶Pu(²⁶Ne), ²³⁸Pu(²⁸Mg); calculated T_1/2 using the cluster preformation probability in statistical physical way and Wentzel-Kramers-Brillouin (WKB) theory. Comparison with available data.

doi: 10.1140/epja/s10050-023-01162-w
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2023ZH40      Phys.Rev. C 108, 024318 (2023)

D.-M.Zhang, L.-J.Qi, H.-F.Gui, S.Luo, B.He, X.-J.Wu, X.-H.Li

Analytic formula for the proton radioactivity spectroscopic factor

RADIOACTIVITY ^108,109I, ^111,112,113Cs, ^116,117La, ¹²¹Pr, ^130,131Eu, ¹³⁵Tb, ^140,141mHo, ^{144,145,146m,147m}Tm, ^{150,150m,151,151m}Lu, ^{155,156,156m,157}Ta, ^{159,159m,160,161,161m}Re, ^{164,165,165m,166,166m,167,167m,169m}Ir, ^{169,170,170m,171,171m,172}Au, ^176,177,177mTl, ^184,185,185mBi, ¹⁰³Sb, ¹²⁷Pm, ^159,162Re(p); calculated T_1/2, spectrosocopic factors of proton radioactivity. Deformed two-potential approach (D-TPA). Established link between the quadrupole deformation parameter of proton emitter and spectroscopic factor of proton radioactivity. Comparison to available experimental data and theoretical results obtained with universal decay law for proton radioactivity (UDLP) and the new Geiger-Nuttall law (NG-N).

doi: 10.1103/PhysRevC.108.024318
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2023ZH52      Chin.Phys.C 47, 114103 (2023)

X.-Y.Zhu, S.Luo, L.-J.Qi, D.-M.Zhang, X.-H.Li, W.-B.Lin

Simple model for cluster radioactivity half-lives in trans-lead nuclei

RADIOACTIVITY ^212,214Po, ²³⁸Pu(α), ^222,224,226Ra(¹⁴C), ²²⁸Th(²⁰O), ²³⁰U(²²Ne), ²³⁰Th, ^232,234U(²⁴Ne), ²³⁴U(²⁶Ne), ^234,236U, ^236,238Pu(²⁸Mg), ²³⁶U, ²³⁸Pu(³⁰Mg), ²³⁸Pu(³²Si), ²⁴²Cm(³⁴Si), ²¹³Po, ²¹⁵At(α), ²²¹Fr, ^221,223Ra, ²²⁵Ac(¹⁴C), ²³¹Pa(²³F), ²³¹Pa, ^233,235U(²⁴Ne), ^233,235U(²⁵Ne), ²³⁵U(²⁶Ne); calculated T_1/2. Comparison with available data.

doi: 10.1088/1674-1137/acf48a
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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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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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