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NSR database version of April 26, 2024.

Search: Author = Y.Qian

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2024WA09      Phys.Lett. B 849, 138449 (2024)

H.-K.Wang, H.Yang, M.L.Liu, Y.B.Wang, B.Jiang, Y.B.Qian

Ground-state inversion: The monopole-force governance in neutron mid-shell region

NUCLEAR STRUCTURE ^{117,119,121,123,125,127,129,131,133}Sb; analyzed available data; deduced the evolution of single-proton states, the monopole force interaction, the ground-state inversion, the monopole force can sufficiently extend the present Hamiltonian to include the mid-shell region.

doi: 10.1016/j.physletb.2024.138449
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2024WA13      Chin.Phys.C 48, 034103 (2024)

T.Wan, Sh.-L.Tang, Y.-B.Qian

α-decay properties of superheavy nuclei with 117≤Z≤120 from the systematics of decay chains and isotopic chains

RADIOACTIVITY ^{279,280,281,282,283}Rg, ^{281,282,283,284,285}Cn, ^{283,284,285,286,287}Nh, ^{285,286,287,288,289}Fl, ^{287,288,289,290,291}Mc, ^{289,290,291,292,293}Lv, ^{291,292,293,294,295}Ts, ^{293,294,295,296,297}Og, ^{295,296,297,298,299}119, ^{298,299,300,301}120(α); calculated T_1/2 with a slightly modified Woods-Saxon (W.S.) potential as the nuclear potential. Comparison with available data.

doi: 10.1088/1674-1137/ad1582
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2023TA24      Phys.Rev. C 108, 064303 (2023)

Sh.Tang, Y.Qian, Zh.Ren

Model-independent analysis on the regular behavior of α preformation probability in heavy nuclei

doi: 10.1103/PhysRevC.108.064303
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2023WA13      Phys.Rev. C 107, 064305 (2023)

H.K.Wang, Y.J.Li, Y.B.Wang, A.Jalili, Y.B.Qian

Spectroscopic factors and level spectra in neutron-rich Sn isotopes

NUCLEAR STRUCTURE ^{131,133,134,135,136,137}Sn; calculated levels, J, π, spectroscopic factors, configurations. Shell-model calculations with Hamiltonian including core excitations and the intruder orbit i_13/2 using codes NUSHELLX and KSHELL. Comparison to available experimental data.

doi: 10.1103/PhysRevC.107.064305
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2023YE03      Phys.Rev. C 107, 044302 (2023)

W.Ye, Y.Qian, H.Wang

Multiple constraints on nuclear mass formulas for reliable extrapolations

ATOMIC MASSES ¹⁶⁰Nd, ¹⁶⁴Sm; calculated binding energies. Multiobjective optimization of the Bethe-Weizsacker–type and the Duflo-Zucker (DZ) mass models usingα-decay energy and the Garvey-Kelson relations. Comparison to experimental data.

doi: 10.1103/PhysRevC.107.044302
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2022CA06      Phys.Rev. C 105, 034304 (2022)

Y.Cao, D.Lu, Y.Qian, Z.Ren

Uncertainty analysis for the nuclear liquid drop model and implications for the symmetry energy coefficients

ATOMIC MASSES ^{200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,311,312,313,314,315}U; calculated binding energies using liquid drop model (LD), including Wigner energy term, and associated statistical uncertainties using Monte Carlo bootstrap approach based on nonparametric sampling. Comparison with available experimental evaluated masses from AME2020.

doi: 10.1103/PhysRevC.105.034304
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2022LI28      Few-Body Systems 63, 43 (2022)

W.P.Liu, Z.H.Li, J.J.He, X.D.Tang, G.Lian, J.Su, Y.P.Shen, Z.An, F.Q.Chao, J.J.Chang, L.H.Chen, H.Chen, X.J.Chen, Y.H.Chen, Z.J.Chen, B.Q.Cui, X.C.Du, X.Fang, C.B.Fu, L.Gan, B.Guo, Z.Y.Han, X.Y.Guo, G.Z.He, J.R.He, A.Heger, S.Q.Hou, H.X.Huang, N.Huang, B.L.Jia, L.Y.Jiang, S.Kubono, J.M.Li, M.C.Li, K.A.Li, E.T.Li, T.Li, Y.J.Li, M.Lugaro, X.B.Luo, H.Y.Ma, S.B.Ma, D.M.Mei, W.Nan, W.K.Nan, N.C.Qi, Y.Z.Qian, J.C.Qin, J.Ren, C.S.Shang, L.T.Sun, W.L.Sun, W.P.Tan, I.Tanihata, S.Wang, P.Wang, Y.B.Wang, Q.Wu, S.W.Xu, S.Q.Yan, L.T.Yang, Y.Yang, X.Q.Yu, Q.Yue, S.Zeng, L.Zhang, H.Zhang, H.Y.Zhang, L.Y.Zhang, N.T.Zhang, P.Zhang, Q.W.Zhang, T.Zhang, X.P.Zhang, X.Z.Zhang, W.Zhao, J.F.Zhou, Y.Zho

Progress of Underground Nuclear Astrophysics Experiment JUNA in China

NUCLEAR REACTIONS ¹²C(α, γ), ¹³C(α, n), ²⁵Mg(p, γ), ¹⁹F(p, α), E(cm)<600 keV; measured reaction products; deduced yields near the Gamow window. Comparison with available data.

doi: 10.1007/s00601-022-01735-3
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2022MA07      Chin.Phys.C 46, 014106 (2022)

W.i-Q.Ma, Y.-B.Qian

Shell evolution in neutron-rich nuclei: the single particle perspective

NUCLEAR STRUCTURE N=14, 16, 20, 32, 34, 28, 50, 82; calculated single particle energy (SPE); deduced Woods-Saxon (WS) potential parameters.

doi: 10.1088/1674-1137/ac3072
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2022SC17      J.Phys.(London) G49, 110502 (2022)

H.Schatz, A.D.Becerril Reyes, A.Best, E.F.Brown, K.Chatziioannou, K.A.Chipps, C.M.Deibel, R.Ezzeddine, D.K.Galloway, C.J.Hansen, F.Herwig, A.P.Ji, M.Lugaro, Z.Meisel, D.Norman, J.S.Read, L.F.Roberts, A.Spyrou, I.Tews, F.X.Timmes, C.Travaglio, N.Vassh, C.Abia, P.Adsley, S.Agarwal, M.Aliotta, W.Aoki, A.Arcones, A.Aryan, A.Bandyopadhyay, A.Banu, D.W.Bardayan, J.Barnes, A.Bauswein, T.C.Beers, J.Bishop, T.Boztepe, B.Cote, M.E.Caplan, A.E.Champagne, J.A.Clark, M.Couder, A.Couture, S.E.de Mink, S.Debnath, R.J.deBoer, J.den Hartogh, P.Denissenkov, V.Dexheimer, I.Dillmann, J.E.Escher, M.A.Famiano, R.Farmer, R.Fisher, C.Frohlich, A.Frebel, C.Fryer, G.Fuller, A.K.Ganguly, S.Ghosh, B.K.Gibson, T.Gorda, K.N.Gourgouliatos, V.Graber, M.Gupta, W.C.Haxton, A.Heger, W.R.Hix, W.C.G.Ho, E.M.Holmbeck, A.A.Hood, S.Huth, G.Imbriani, R.G.Izzard, R.Jain, H.Jayatissa, Z.Johnston, T.Kajino, A.Kankainen, G.G.Kiss, A.Kwiatkowski, M.La Cognata, A.M.Laird, L.Lamia, P.Landry, E.Laplace, K.D.Launey, D.Leahy, G.Leckenby, A.Lennarz, B.Longfellow, A.E.Lovell, W.G.Lynch, S.M.Lyons, K.Maeda, E.Masha, C.Matei, J.Merc, B.Messer, F.Montes, A.Mukherjee, M.R.Mumpower, D.Neto, B.Nevins, W.G.Newton, L.Q.Nguyen, K.Nishikawa, N.Nishimura, F.M.Nunes, E.O'Connor, B.W.O'Shea, W.-J.Ong, S.D.Pain, M.A.Pajkos, M.Pignatari, R.G.Pizzone, V.M.Placco, T.Plewa, B.Pritychenko, A.Psaltis, D.Puentes, Y.-Z.Qian, D.Radice, D.Rapagnani, B.M.Rebeiro, R.Reifarth, A.L.Richard, N.Rijal, I.U.Roederer, J.S.Rojo, J.S K, Y.Saito, A.Schwenk, M.L.Sergi, R.S.Sidhu, A.Simon, T.Sivarani, A.Skuladottir, M.S.Smith, A.Spiridon, T.M.Sprouse, S.Starrfield, A.W.Steiner, F.Strieder, I.Sultana, R.Surman, T.Szucs, A.Tawfik, F.Thielemann, L.Trache, R.Trappitsch, M.B.Tsang, A.Tumino, S.Upadhyayula, J.O.Valle Martinez, M.Van der Swaelmen, C.Viscasillas Vazquez, A.Watts, B.Wehmeyer, M.Wiescher, C.Wrede, J.Yoon, R.G.T.Zegers, M.A.Zermane, M.Zingale, the Horizon 2020 Collaborations

Horizons: nuclear astrophysics in the 2020s and beyond

doi: https://dx.doi.org/10.1088/1361-6471/ac8890
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2022WA36      Chin.Phys.C 46, 104001 (2022)

X.Y.Wang, N.T.Zhang, Z.C.Zhang, C.G.Lu, T.L.Pu, J.L.Zhang, L.M.Duan, B.S.Gao, K.A.Li, Y.T.Li, Y.Qian, L.H.Ru, B.Wang, X.D.Xu, H.Y.Zhao, W.P.Lin, Z.W.Cai, B.F.Ji, Q.T.Li, J.Y.Xu, X.D.Tang

Studies of the 2α and 3α channels of the ¹²C+¹²C reaction in the range of E_c.m.=8.9 MeV to 21 MeV using the active target Time Projection Chamber

NUCLEAR REACTIONS ¹²C(¹²C, 2α), (¹²C, ⁸Be), (¹²C, 3α), (¹²C, X), E(cm)=8.9-21 MeV; measured reaction products, Eα, Iα; deduced fusion σ. Comparison with available data. 1024-channel TPC named pMATE (prototype Multi-purpose time projection chamber for nuclear Astrophysical and Exotic beam experiments), the Heavy Ion Research Facility in Lanzhou (HIRFL), China.

doi: 10.1088/1674-1137/ac7a1d
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2022WA41      Phys.Rev. C 106, 054316 (2022)

H.K.Wang, G.X.Li, B.Jiang, Y.B.Qian

Monopole effects and spin-trap structures in neutron-rich Te isotopes

NUCLEAR STRUCTURE ^{134,135,137,136,138,139}Te; calculated levels, J, π, configurations. ^{134,135,136,138}Te; calculated B(E2). Shell-model calculation using code NUSHELL with new Hamiltonian constructed with the intruder orbit νi_13/2. Comparison to experimental data.

doi: 10.1103/PhysRevC.106.054316
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2022YE02      Phys.Rev. C 106, 024318 (2022)

W.Ye, Y.Qian, Z.Ren

Accuracy versus predictive power in nuclear mass tabulations

ATOMIC MASSES Z=8-120, N=8-256; calculated masses, S(2n) of even-even by the multi-objective optimization (MOO)-constrained Dulfo-Zuker model (DZ10) formulas with possible Pareto front (PF) solutions, and compared with AME2020 evaluation. ²⁰⁸Pb; calculated slope parameter and the neutron skin thickness using the symmetry energy coefficient of the DZ10 mass formula after the multi-objective optimization.

doi: 10.1103/PhysRevC.106.024318
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2021JI04      Phys.Rev. C 103, 024314 (2021)

J.Jia, Y.Qian, Z.Ren

Systematics of α-decay energies in the valence correlation scheme

RADIOACTIVITY ^{248,249,250,251,252,253,254,255,256}No, ^{251,252,253,254,255,256,257,258,259}Lr, ^{253,254,255,256,257,258}Rf, ^277,285Cn, ^284,285,286Nh, ^{284,285,286,287,288,289}Fl, ^{287,288,289,290}Mc, ^{290,291,292,293}Lv, ^293,294Ts, ²⁹⁴Og(α); calculated Q(α) from analysis of evaluated Q(α) data for Z=52-118 nuclei in AME2016 using a simple valence correlation scheme (VCS), and compared with available experimental data.

doi: 10.1103/PhysRevC.103.024314
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2021JI12      Phys.Rev. C 104, L031301 (2021)

J.Jia, Y.Qian, Z.Ren

Possible cluster states in heavy and superheavy nuclei

NUCLEAR STRUCTURE ²⁰Ne, ⁴⁴Ti, ⁹⁴Mo, ¹⁰⁴Te, ²¹²Po; calculated level energies of positive-parity yrast levels and B(E2) up to 8+ in ²⁰Ne, 12+ in ⁴⁴Ti, ⁹⁴Mo and ¹⁰⁴Te, and 10+ in ²¹²Po. ²²²Ra, ²³⁶Pu; calculated level energies of positive-parity yrast levels up to 12+. Calculations used binary (α+core) cluster model (BCM) and improved version of this model (IBCM). Comparison with available experimental data. ²⁸²Cn; discussed recently observed first 2+ state in ²⁸²Cn in terms of IBCM calculations.

doi: 10.1103/PhysRevC.104.L031301
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2021QI03      Chin.Phys.C 45, 021002 (2021)

Y.-B.Qian, Z.-Z.Ren

New look at Geiger-Nuttall law and α clustering of heavy nuclei

RADIOACTIVITY Hf, W, Os, Pt, Hg, Pb, Po, Rn, Ra, Th(α); calculated T_1/2 using Geiger-Nuttall (GN) law. Comparison with available data.

doi: 10.1088/1674-1137/abce14
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2021YE01      Phys.Rev. C 104, 064308 (2021)

W.Ye, Y.Qian, Zh.Ren

Refining the nuclear mass model via the α decay energy

ATOMIC MASSES A=100-275; analyzed difference between experimental values and theoretical evaluations obtained from the Duflo-Zuker DZ10 mass model for three different kinds of parameters, corresponding correspond to Q(α) and the binding energies for heavy nuclei above A=100. ²⁰⁸Pb; deduced symmetry energy coefficient in the equation of state (EOS), and neutron skin thickness.

doi: 10.1103/PhysRevC.104.064308
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2021ZH49      Nucl.Instrum.Methods Phys.Res. A1016, 165740 (2021)

Z.C.Zhang, X.Y.Wang, T.L.Pu, C.G.Lu, N.T.Zhang, J.L.Zhang, L.M.Duan, B.S.Gao, J.Gao, R.J.Hu, E.Q.Liu, K.A.Li, Q.T.Li, Y.T.Li, B.F.Lv, H.Y.Ma, J.B.Ma, H.J.Ong, Y.Qian, L.H.Ru, L.T.Sun, X.D.Tang, J.Y.Xu, X.D.Xu, Y.Yang, Y.H.Zhai, H.Y.Zhao, H.W.Zhao

Studying the heavy-ion fusion reactions at stellar energies using Time Projection Chamber

NUCLEAR REACTIONS ¹²C(¹²C, α)²⁰Ne, E(cm)=3 MeV; measured reaction products, Eα, Iα; deduced preliminary σ, yields.

doi: 10.1016/j.nima.2021.165740
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2020FI02      Phys.Rev. C 101, 025804 (2020)

T.Fischer, G.Guo, A.A.Dzhioev, G.Martinez-Pinedo, M.-R.Wu, A.Lohs, Y.-Z.Qian

Neutrino signal from proto-neutron star evolution: Effects of opacities from charged-current-neutrino interactions and inverse neutron decay

NUCLEAR REACTIONS ¹H(ν-bar, e⁺)n, ¹n(ν, e^-)p, E<100 MeV; derived expressions for medium-dependent charged-current reactions in fully inelastic kinematics, including contribution from weak magnetism; implemented weak reaction rates in the supernova model; simulated core-collapse supernova explosions and proto-neutron star (PNS) deleptonization; analyzed subsequent neutrino signal depending on the treatment of weak interactions; investigated nuclear medium dependence at the mean-field level, with the inverse neutron decay as new opacity source; calculated complete nucleosynthesis outcome from core-collapse supernova explosion simulation.

doi: 10.1103/PhysRevC.101.025804
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2019AK02      Nucl.Phys. A983, 310 (2019)

D.T.Akrawy, H.Hassanabadi, Y.Qian, K.P.Santhosh

Influence of nuclear isospin and angular momentum on α-decay half-lives

RADIOACTIVITY ^{246,252,248,254,250,256,255,253}Fm, ^252,256No, ^255,257Lr, ^258,256,263Rf, ^{257,259,263,256}Db, ^{260,262,259,271,261,269}Sg, ^{267,264,272,266,274,270}Bh, ^{264,266,270,273,265,267}Hs, ^{275,274,276,268,278}Mt, ^{270,271,281,267,273,277}Ds, ^{279,272,280,278}Rg, ²⁸¹Cn, ^{283,285,284,278,282}Nh, ^286,288Fl, ²⁹⁰Mc, ^290,292Lv, ^293,294Ts, ²⁹⁴Og(α); analyzed available data; calculated T_1/2; deduced influence of isospin and angular momentum on α-decay half-lives. Comparison with available data.

doi: 10.1016/j.nuclphysa.2018.10.091
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2019QI05      Phys.Rev. C 100, 061302 (2019)

Y.Qian, Z.Ren

Robustness of heavy and superheavy nuclei against α decay: Progress toward identifying the possible location of the "island of stability"

RADIOACTIVITY Z=84-104, A=212-256(α); Z=116-120, N=164-204(α); ²⁶⁰Sg, ^264,268,270Hs, ²⁷⁰Ds, ^286,288Fl, ^290,292Lv, ²⁹⁴Og(α); calculated α-decay energies, T_1/2 using the cluster model with an effective alpha-core potential. Comparison with available experimental data, and decay energies from FRDM, WS and HFB models.

doi: 10.1103/PhysRevC.100.061302
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2018QI01      Phys.Lett. B 777, 298 (2018)

Y.Qian, Z.Ren

New insight into α clustering of heavy nuclei via their α decay

NUCLEAR STRUCTURE N>126; calculated α preformation factors using the two-parameter Fermi (2pF) form of nucleon density distributions in heavy nuclei.

doi: 10.1016/j.physletb.2017.12.046
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2018QI03      J.Phys.(London) G45, 035103 (2018)

Y.Qian, Z.Ren

Landscape of α preformation probability for even-even nuclei in medium mass region

NUCLEAR STRUCTURE N=80-130; analyzed available NUBASE2016 data; deduced α preformation factors.

doi: 10.1088/1361-6471/aaa90b
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2018QI07      J.Phys.(London) G45, 085103 (2018)

Y.Qian, Z.Ren

Improved evaluation of nuclear charge radii for superheavy nuclei

NUCLEAR STRUCTURE Z=98-116; calculated rms charge radii. Comparison with experimental data.

RADIOACTIVITY ³⁰²Og, ²¹²Po(α); calculated T_1/2. Comparison with experimental data.

doi: 10.1088/1361-6471/aacef7
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2018QI08      Phys.Rev. C 98, 061303 (2018)

Y.Qian, C.Qi

Partial seniority conservation and solvability of single-j systems

doi: 10.1103/PhysRevC.98.061303
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2018WU04      Phys.Rev. C 97, 054316 (2018)

S.Wu, Y.Qian, Z.Ren

Half-lives of α-decaying nuclei in the medium-mass region within the transfer matrix method

RADIOACTIVITY ¹⁴⁶Sm, ^148,150,152Gd, ^150,152,154Dy, ^152,154,156Er, ^154,156,158Yb, ^{156,158,160,162}Hf, ^{158,160,162,164,166,168}W, ^{162,164,166,168,170,172,174,186}Os, ^{166,168,170,172,174,176,178,180,182,184,186,188,190}Pt, ^{172,174,176,178,180,182,184,186,188}Hg, ^{178,180,182,184,186,188,190,192,194}Pb, ^{190,192,194,196,198,200,202,204,206,208}Po, ^{194,196,198,200,202,204,206,208,210}Rn, ^{202,204,206,208,210,212}Ra, ^212,214Th(α); calculated α preformation factor, Q value, and α-decay T_1/2 by transfer matrix method using both constant treatment and microscopic correction of nuclear mass. Comparison with experimental values.

doi: 10.1103/PhysRevC.97.054316
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2017WA17      Chin.Phys.C 41, 064103 (2017)

R.Wang, R.-Y.Wang, Y.-B.Qian, Z.-Z.Ren

Signatures of shell evolution in alpha decay across the N = 126 shell closure

RADIOACTIVITY ^{208,210,212,214}Po, ^{209,211,213,215}At, ^{210,212,214,216}Rn, ^{211,213,215,217}Fr, ^{212,214,216,218}Ra, ^{213,215,217,219}Ac, ^{214,216,218,220}Th, ^{215,217,219,221}Pa, ^216,218,222U(α); calculated T_1/2. Comparison with experimental data.

doi: 10.1088/1674-1137/41/6/064103
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2016QI01      Nucl.Phys. A945, 134 (2016)

Y.Qian, Z.Ren

Tentative study of nuclear charge radii for neutron-deficient nuclei around the Z = 82 shell from experimental α decay data

RADIOACTIVITY ^{183,185,185m,186m,187m,189m,191,191m}Tl(α);^{187,187m,189,189m}Pb(α);^{187m,188m,189m,191m,192,193,193m,194,195,196,196m,197,198,198m,199,200,201,202m}Bi(α);^{193,193m,195,195m,197,197m,199,199m,203}Po(α); calculated α-decay T_1/2 using density-dependent cluster model; deduced charge radii from the fit to AME2012 table and NNDC database.

doi: 10.1016/j.nuclphysa.2015.10.002
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2016QI02      Eur.Phys.J. A 52, 68 (2016)

Y.Qian, Z.-z.Ren

Calculations on decay rates of various proton emissions

RADIOACTIVITY ¹⁰⁵Sb, ¹⁰⁹I, ^112,113Cs, ¹¹⁷La, ¹²¹Pr, ^130,131Eu, ¹³⁵Tb, ^140,141,141mHo, ^{145,146,146m,147,147m,150,150m,151,151m}Lu, ^{155,156,156m,157}Ta, ^{159,160,161,161m}Re, ^{164,165,165m,166,166m,167,167m}Ir, ^171,171mAu, ^177,177mTl, ¹⁸⁵Bi(p); calculated T_1/2. Compared with data and other calculations. ¹¹⁶La, ¹³²Eu, ¹³⁶Tb, ^162,163Re, ^169,170Au, ^176,178Tl, ¹⁸⁴Bi(p); calculated proton decay candidates T_1/2. Deformed density-dependent model with spectroscopic factors from RMF combined with BCS.

doi: 10.1140/epja/i2016-16068-3
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2016QI03      J.Phys.(London) G43, 065102 (2016)

Y.Qian, Z.Ren

Further study of α-decay in heavy isotopic chains considering the isospin effect

RADIOACTIVITY ^{212,214,216,218}Po, ^{214,216,218,220,222}Rn, ^{216,218,220,222,224,226}Ra, ^{218,220,224,226,228,230,232}Th, ^{224,226,228,230,232,234,236,238}U(α); calculated T_1/2. Comparison with experimental data.

doi: 10.1088/0954-3899/43/6/065102
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2016QI07      Phys.Rev. C 94, 024315 (2016)

Y.Qian, Z.Ren, D.Ni

Reexamining cluster radioactivity in trans-lead nuclei with consideration of specific density distributions in daughter nuclei and clusters

RADIOACTIVITY ²²¹Fr, ^{221,222,223,224,226}Ra(¹⁴C); ²²⁸Th(²⁰O); ²³⁰U(²²Ne); ²³¹Pa(²³F); ²³⁰Th, ²³¹Pa, ^232,233,234U(²⁴Ne); ²³³U(²⁵Ne); ²³⁴U(²⁶Ne); ²³⁴U, ^236,238Pu(²⁸Mg); ²³⁸Pu(³⁰Mg); calculated effect of density distributions of daughter nuclei and clusters on cluster decays, ratio of the calculated half-life to that in the spherical case. Preformed cluster model, and double-folding integral of the density distributions of daughter nucleus and the emitted cluster. Comparison with available experimental data.

doi: 10.1103/PhysRevC.94.024315
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2016QI10      Phys.Rev. C 94, 064321 (2016)

Y.Qian, Z.Ren

Toward a comprehensive description of decay properties for uranium isotopes

RADIOACTIVITY ^{215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,232,233,234,235,236,238,239,240,241,242,243}U(α); ²¹⁷U(²⁰Ne); ^{218,219,220,221,222,223,224,225,226,227,228,229,230}U(²²Ne); ^{231,232,233,234}U(²⁴Ne); ²³³U(²⁵Ne); ^{234,235,236,237,238,239,240,241,242,243}U(²⁶Ne); ^217,218U(²⁴Mg); ^{219,220,221,222,223,224,225}U(²⁶Mg); ^{226,227,228,229,231,234,235}U(²⁸Mg); ²³⁵U(²⁹Mg); ^{236,237,238,239,240,241}U(³⁰Mg); ^242,243U(³²Mg); ^{218,221,222,224,226,227,229,231}U(β⁺), (EC); ^{237,239,240,242}U(β^-); calculated half-lives and compared with available experimental values; deduced proton and neutron density distributions in related nuclei. Enhanced density dependent cluster model.

doi: 10.1103/PhysRevC.94.064321
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2015DE17      J.Phys.(London) G42, 075106 (2015)

D.Deng, Z.Ren, D.Ni, Y.Qian

Realistic α preformation factors of odd-A and odd-odd nuclei within the cluster-formation model

NUCLEAR STRUCTURE N=116-142; analyzed available data; deduced cluster-formation model extension, α preformation factors. Comparison with available data.

doi: 10.1088/0954-3899/42/7/075106
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2015QI04      Nucl.Phys. A940, 227 (2015)

Y.Qian, I.Zahed

P-odd pion azimuthal charge correlations in heavy ion collisions

doi: 10.1016/j.nuclphysa.2015.04.009
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2014QI02      J.Phys.(London) G41, 044002 (2014)

Y.-Z.Qian

Diverse, massive-star-associated sources for elements heavier than Fe and the roles of neutrinos

doi: 10.1088/0954-3899/41/4/044002
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2014QI03      Phys.Rev. C 89, 024318 (2014)

Y.Qian, Z.Ren, D.Ni

Tentative probe into the nuclear charge radii of superheavy odd-mass and odd-odd nuclei

NUCLEAR STRUCTURE ¹⁸⁷Hg, ¹⁹¹Tl, ^{189,191,193,195,197,201,203,209,211}Pb, ^203,205,209Bi, ²¹³Fr, ^{147,148,149,150}Tb, ¹⁵¹Ho, ¹⁵³Tm; analyzed experimental α-decay half-life data; deduced rms nuclear charge radii using density-dependent cluster model (DDCM) combined with the two-potential approach, and the double-folding model. ²⁵⁷No, ²⁵⁵Lr, ²⁶⁷Rf, ^{262,266,268,270}Db, ^259,261,269Sg, ^{266,271,272,274}Bh, ^{263,265,269,275}Hs, ^{268,274,275,276,278}Mt, ^277,279,281Ds, ^{278,279,280,281,282}Rg, ²⁸⁵Cn, ^{283,284,285,286}Nh, ^289,290Mc; deduced rms charge radii based on above formulation. Comparison with a previously proposed formula based on experimental Eα and α-decay half-life data.

doi: 10.1103/PhysRevC.89.024318
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2014QI05      Phys.Rev. C 90, 064308 (2014)

Y.Qian, Z.Ren

Predictions on properties of α decay and spontaneous fission in superheavy odd-Z nuclei

RADIOACTIVITY ^{246,248,250,252,254,256}Fm(α); ²⁷⁴Bh, ²⁷⁸Mt, ^281,282Rg, ^285,286Nh, ^289,290Mc, ^293,294Ts, ^{290,291,292,293,294,295,296,297,298,299}119(α), (SF); Z=99, A=239-271(α), (SF); Z=101, A=243-275(α), (SF); Z=103, A=247-279(α), (SF); Z=105, A=251-283(α), (SF); Z=107, A=255-287(α), (SF); Z=109, A=259-291(α), (SF); Z=111, A=263-295(α), (SF); Z=113, A=267-299(α), (SF); Z=115, A=272-303(α), (SF); Z=117, A=267-299(α), (SF); Z=119, A=284-311(α), (SF); Z=121, A=289-315(α), (SF); calculated half-lives, Q-values using density-dependent cluster model, including nuclear deformation effect and improved two-potential approach and for masses from FRDM and KTUY05. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.064308
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2013NI02      Phys.Rev. C 87, 024310 (2013)

D.Ni, Z.Ren, T.Dong, Y.Qian

Nuclear charge radii of heavy and superheavy nuclei from the experimental α-decay energies and half-lives

NUCLEAR STRUCTURE ¹⁴⁰Ce, ^142,144Nd, ^144,146,148Sm, ¹⁴⁶Gd, ^148,150,152Dy, ^150,152,154Er, ^{152,154,156,158}Yb, ¹⁸²W, ^184,186Os, ^{178,180,182,184}Pt, ^{182,184,186,188,190,206}Hg, ^{190,192,194,196,198,200,202,204,206,208,210,212,214}Pb, ^{200,202,204,206,208,210}Po, ^{202,204,206,208,210,212,218,220,222}Rn, ^{208,210,212,214,220,222,224,226,228}Ra, ^228,230,232Th, ^234,236,238U, ^{238,240,242,244}Pu, ^{242,244,246,248}Cm, ^{242,244,246,248,250,252}Cf, ^248,250,252Fm, ^252,254No, ²⁵⁶Rf, ^{260,262,264,266}Sg, ²⁶⁶Hs, ^282,284Cn, ^286,288Fl, ²⁹⁰Lv; calculated rms charge radii, charge distribution using the generalized density dependent cluster model (GDDCM). A formula derived from Wentzel-Kramers-Brillouin (WKB) barrier penetration probability is proposed to calculate nuclear charge radii from the experimental α-decay energies and half-lives. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.024310
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2013QI02      Eur.Phys.J. A 49, 5 (2013)

Y.Qian, Z.Ren

Possible α decay chains from isotopes of superheavy element 120

RADIOACTIVITY ^{287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307}120(α), (SF); calculated α-decay T_1/2, α-chain nuclei T_1/2. Compared with other calculations and with available data.

doi: 10.1140/epja/i2013-13005-0
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2013QI04      Phys.Rev. C 87, 054323 (2013)

Y.Qian, Z.Ren, D.Ni

Attempt to probe nuclear charge radii by cluster and proton emissions

RADIOACTIVITY ^222,224,226Ra(¹⁴C); ²²⁸Th(²⁰O); ²³⁰U(²²Ne); ²³¹Pa(²³F); ²³⁰Th, ^232,234U(²⁴Ne); ²³³U(²⁵Ne); ²³⁴U(²⁶Ne); ²³⁴U, ^236,238Pu(²⁸Mg); ²³⁸Pu(³⁰Mg), (³²Si); ^144,146Er, ^149,150Yb, ^155,156Hf, ^159,160W, ^163,165,166Os, ¹⁷⁰Pt, ¹⁷⁶Hg, ¹⁸⁴Pb(p); calculated rms nuclear charge radii of parent nuclei from cluster and proton decay half-lives. Density-dependent cluster model. Comparison with experimental data.

NUCLEAR STRUCTURE ^144,146Er, ^149,150Yb, ^155,156Hf, ^159,160W, ^163,165,166Os, ¹⁷⁰Pt, ¹⁷⁶Hg, ¹⁸⁴Pb, ^222,224,226Ra, ^228,230Th, ^{230,232,233,234}U, ²³¹Pa, ²³⁸Pu; calculated rms nuclear charge radii from half-lives of cluster and proton decay of nuclei. Density-dependent cluster model. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.054323
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2013QI06      Phys.Rev. C 88, 044329 (2013)

Y.Qian, Z.Ren

Systematic calculations of α decay properties based on results from recent experiments

RADIOACTIVITY ^161,161mTa, ¹⁶⁵Re, ¹⁷¹Ir, ^173,173m,175Au, ^178,179Hg, ¹⁷⁹Tl, ^189mBi, ^193mAt, ^{197m,198m,199,199m,203m}Fr, ^261mRf, ^{270,271,272,274}Bh, ²⁷⁰Hs, ^{274,275,276,278}Mt, ^{278,279,280,282}Rg, ²⁸⁵Cn, ^{282,283,284,285,286}Nh, ^288,289Fl, ^{287,288,289,290}Mc, ^293,294Ts(α); calculated half-lives for α decay. Modified two-potential approach for deformed nuclei combined with a cluster model. Comparison with previous calculations and experimental data.

doi: 10.1103/PhysRevC.88.044329
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2013XU02      Phys.Rev. C 87, 015805 (2013)

X.D.Xu, B.Sun, Z.M.Niu, Z.Li, Y.-Z.Qian, J.Meng

Reexamining the temperature and neutron density conditions for r-process nucleosynthesis with augmented nuclear mass models

ATOMIC MASSES A=80, 130, 195; calculated T₉-neutron density conditions required for waiting-point nuclei with RMF, HFB-17, FRDM, and WS* nuclear mass models. Effects of uncertainty in S(n) for ⁷⁸Ni, ⁸²Zn, ¹⁹¹Tb, and ¹⁹⁷Tm on the required T₉-nn conditions. Precise mass measurements required for ⁷⁶Ni, ⁷⁸Ni, ⁸²Zn, ^131,132Cd. Relevance to r-process nucleosynthesis.

doi: 10.1103/PhysRevC.87.015805
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2012QI01      J.Phys.(London) G39, 015103 (2012)

Y.Qian, Z.Ren

Unified description of α-decay and cluster radioactivity in the trans-tin region

RADIOACTIVITY ²²¹Fr, ²²¹Ra, ^{222,223,224,226}Ra(¹⁴C), ²²⁸Th(²⁰O), ²³⁰Th, ^232,233,234U(²⁴Ne), ²³³U(²⁵Ne), ²³¹Pa(²³F), ²³⁰U(²²Ne), ²³⁴U(²⁶Ne), ²³⁴U, ^236,238Pu(²⁸Mg), ²³⁸Pu(³⁰Mg), ²³⁸Pu, ²⁴²Cm(³⁴Si), ^113,115,117Cs, ^{114,115,116,117,118,119,120}Ba(¹²C), ^{114,115,116,117,118,119}Ba, ^117,119La(¹⁶O), ^117,119,121La(¹²C), ^119,120Ce(¹⁶O), ¹²⁰Ce(¹²C), ^{121,122,123,124}Ce(¹⁶O), ^121,123,125Pr, ^124,125,126Nd(¹⁶O), ¹²⁷Pm(²⁴Mg), ^128,129Sm, ^134,135Gd, ¹³⁷Tb(²⁸Si), ¹³⁸Dy, ¹⁴¹Ho(³²S), ¹⁴³Er(³⁶Ar); calculated T_1/2. Comparison with experimental data.

doi: 10.1088/0954-3899/39/1/015103
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2012QI04      Phys.Rev. C 85, 027306 (2012)

Y.Qian, Z.Ren

Unfavored α decay from ground state to ground state in the range 53≤Z≤91

RADIOACTIVITY ¹¹²I, ¹⁵¹Eu, ^149,151Tb, ¹⁶²Ta, ¹⁶³W, ¹⁷¹Os, ¹⁷⁵Ir, ^173,175Pt, ¹⁷⁵Hg, ¹⁸¹Au, ¹⁸⁵Pb, ²⁰³Po, ^210,220,221Fr, ^219,221Rn, ^219,221Ra, ^221,223Th, ^212,225Pa, ^223,225,226Ac, ²³⁵U(α); calculated α decay half-lives, α-preformation factor for unfavored α decay from g.s. to g.s. in odd-A and odd-odd nuclei. Phenomenological expressions, and modified two-potential approach. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.027306
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2012QI15      J.Phys.(London) G39, 115106 (2012)

Y.Qian, Z.Ren

Shape probe of Hg and Pt isotopes by α decay

RADIOACTIVITY ^{180,182,184,186,188,190,192}Pb, ^{172,174,176,178,180,182,184,186,188}Hg, ¹⁹⁰Po(α); calculated deformation parameter values, T_1/2. Comparison with available data.

doi: 10.1088/0954-3899/39/11/115106
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2011BA20      Phys.Rev.Lett. 106, 201104 (2011)

P.Banerjee, W.C.Haxton, Y.-Z.Qian

Long, Cold, Early r Process? Neutrino-Induced Nucleosynthesis in He Shells Revisited

NUCLEAR REACTIONS ⁴He(ν, nν), ³He(n, p), ³H(t, 2n), ⁴He(ν, νp), E ∼ 30 keV; calculated r-process yields; deduced ν-driven r-process mechanism.

doi: 10.1103/PhysRevLett.106.201104
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2011QI01      J.Phys.(London) G38, 015102 (2011)

Y.Qian, Z.Ren, D.Ni

α-decay half-lives in medium mass nuclei

RADIOACTIVITY ¹⁴⁴Nd, ^146,148Sm, ^148,150,152Gd, ^150,152,154Dy, ^152,154,156Er, ^154,156,158Yb, ^{156,158,160,162}Hf, ^{158,160,162,164,166,168}W, ^{162,164,166,168,170,172,174,186}Os, ^{166,168,170,172,174,176,178,180,182,184,186,188,190}Pt(α); calculated T_1/2. Comparison with experimental data.

doi: 10.1088/0954-3899/38/1/015102
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2011QI03      Nucl.Phys. A852, 82 (2011)

Y.Qian, Z.Ren

Systematic calculations on exotic α-decay half-lives of nuclei with N = 125, 126, 127

RADIOACTIVITY ²⁰⁹Bi(α), ^209,210,211Po(α), ^210,211,212At(α), ^211,212,213Rn(α), ^212,213,214Fr(α), ^213,214,215Ra(α), ^214,215,216Ac(α), ^215,216,217Th(α), ^216,217,218Pa(α), ^217,218,219U(α); calculated T_1/2 using a microscopic two-level model. Comparison with experimental data.

doi: 10.1016/j.nuclphysa.2011.01.007
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2011QI06      Phys.Rev. C 83, 044317 (2011)

Y.Qian, Z.Ren, D.Ni

Calculations of α-decay half-lives for heavy and superheavy nuclei

RADIOACTIVITY ²¹⁰Pb, ^{212,214,216,218}Po, ^{214,216,218,220,222}Rn, ^{216,218,220,222,224,226}Ra, ^{218,220,222,224,226,228,230,232}Th, ^{222,224,226,228,230,232,234,236,238}U, ^{232,234,236,238,240,242,244}Pu, ^{240,242,244,246,248}Cm, ^{240,242,244,246,248,250,252,254}Cf, ^{246,248,250,252,254,256}Fm, ^252,254,256No, ^256,258Rf, ^260,266Sg, ²⁷⁴Bh, ^264,266,270Hs, ²⁷⁸Mt, ^270,281Ds, ^{278,279,280,282}Rg, ^284,285Cn, ^{282,283,284,285,286}Nh, ^286,288,289Fl, ^{287,288,289,290}Mc, ^290,292,293Lv, ^293,294Ts, ²⁹⁴Og(α); calculated half-lives using deformed version of the cluster model with modified two-potential approach and Woods-Saxon potential. Comparison with experimental data.

doi: 10.1103/PhysRevC.83.044317
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2011QI10      Nucl.Phys. A866, 1 (2011)

Y.Qian, Z.Ren, D.Ni

α-Decay near the shell closure from ground and isomeric states

RADIOACTIVITY ^151,153Dy, ^{151,152,153,154}Ho, ^153,155Er, ^{153,154,155,156}Tm, ^155,157Yb, ^{155,156,157,158}Lu, ^157,159Hf, ^{157,158,159,160}Ta, ^159,161W, ^160,162Re, ¹⁶³Os, ^{177,179,181,183}Tl, ^{179,180,181,183,185,187,191}Pb, ^{186,187,188,189,190,191,192,193,194,195,196,209,210,211,213}Bi, ^{187,188,191,192,193,195,197,199,201,203,205,207,213,215}Po, ^{191,192,193,194,195,197,197,198,199,200,201,202,203,204,205,206,207,208,209,213,214,215,216}At, ^{195,197,199,201,203,205,207,215,217}Rn, ^{199,200,201,202,203,204,205,206,207,208,215,216,217,218}Fr, ^217,219Ra, ^217,218,219Ac, ^219,221Th, ^219,221Pa(α); calculated T_1/2, isomeric states T_1/2 using two-potential approach with deformed cluster model. Comparison with data.

doi: 10.1016/j.nuclphysa.2011.07.002
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2011QI12      Phys.Rev. C 84, 064307 (2011)

Y.Qian, Z.Ren

Systematic study of new data for extreme α decays

RADIOACTIVITY ¹⁰⁹I, ^112,113Cs, ¹⁴²Ce, ^{146,147,148,149}Sm, ¹⁵¹Eu, ¹⁵²Gd, ¹⁵⁶Dy, ^162,164Er, ¹⁶⁸Yb, ^174,176Hf, ¹⁸⁰W, ¹⁵⁹Re, ^161,184,188Os, ^167,169Ir, ^172,190,192Pt, ^172,175,177Au, ^176,196Hg, ^179,181Tl, ^{179,180,181,204}Pb, ¹⁸⁷Bi, ¹⁸⁷Po, ²³⁸U, ²⁴⁴Pu, ^233,236Cm, ²³⁷Cf, ²⁴⁹Md, ²⁵³Lr, ²⁵⁷Db, ^{260,265,267,282}Sg, ^261,262,274Bh, ^263,265Hs, ²⁷⁸Mt, ²⁸¹Ds, ²⁸⁵Cn, ^285,286Nh, ^288,289Fl, ^289,290Mc, ^293,294Ts(α); calculated half-lives using Modified two-potential approach (MTPA) for deformed nuclei associated with the density-dependent cluster model. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.064307
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2010QI03      Chin.Phys.Lett. 27, 072301 (2010)

Y.-B.Qian, Z.-Z.Ren, D.-D.Ni

Theoretical Calculation for Half-Lives of Spherical Proton Emitters

RADIOACTIVITY ¹⁰⁵Sb, ^145,147Tm, ^150,151Lu, ^155,156,157Ta, ^159,160,161Re, ^{164,165,166,167}Ir, ¹⁷¹Au, ¹⁷⁷Tl, ¹⁸⁵Bi(p); calculated proton radioactivity T_1/2 for spherical emitters. Comparison with experimental data.

doi: 10.1088/0256-307X/27/7/072301
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2010QI07      Nucl.Phys. A834, 627c (2010)

Y.-Z.Qian

Inferring stellar sources for the elements from astrophysical observations

doi: 10.1016/j.nuclphysa.2010.01.108
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2010QI09      Chin.Phys.Lett. 27, 112301 (2010)

Y.-B.Qian, Z.-Z.Ren, D.-D.Ni, Z.-Q.Sheng

Half-Lives of Proton Emitters With a Deformed Density-Dependent Model

RADIOACTIVITY ¹⁰⁵Sb, ^145,146,147Tm, ^150,151Lu, ^155,156,157Ta, ^159,160,161Re, ^{164,165,166,167}Ir, ¹⁷¹Au, ¹⁷⁷Tl, ¹⁸⁵Bi, ¹⁰⁹I, ^112,113Cs, ¹¹⁷La, ¹²¹Pr, ^130,131Eu, ¹³⁵Tb, ^140,141Ho(p); calculated T_1/2 for semi-spherical and well-deformed proton emitters.

doi: 10.1088/0256-307X/27/11/112301
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2007NI12      667, L159 (2007)

H.Ning, Y.-Z.Qian, B.S.Meyer

r-Process Nucleosynthesis in Shocked Surface Layers of O-Ne-Mg Cores

doi: 10.1086/522372
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2005QI01      Nucl.Phys. A752, 550c (2005)

Y.-Z.Qian

Nuclear physics and astrophysics of the r-process

doi: 10.1016/j.nuclphysa.2005.02.118
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2004OL02      Phys.Rev. D 69, 027701 (2004)

K.A.Olive, M.Pospelov, Y.-Z.Qian, G.Manhes, E.Vangioni-Flam, A.Coc, M.Casse

Reexamination of the ¹⁸⁷Re bound on the variation of fundamental couplings

RADIOACTIVITY ¹⁸⁷Re(β^-); analyzed T_1/2 data; deduced bound on variability of fine-structure constant.

doi: 10.1103/PhysRevD.69.027701
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2004QI02      Nucl.Phys. A746, 335c (2004)

Y.-Z.Qian

The r-process: recent progress and needs for nuclear data

doi: 10.1016/j.nuclphysa.2004.09.041
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2003QI05      Prog.Part.Nucl.Phys. 50, 153 (2003)

Y.-Z.Qian

The Origin of the Heavy Elements: Recent Progress in the Understanding of the r-Process

doi: 10.1016/S0146-6410(02)00178-3
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2002QI06      Astrophys.J. 569, L103 (2002)

Y.-Z.Qian

Neutrino-Induced Fission and r-Process Nucleosynthesis

doi: 10.1086/340643
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2000QI01      Phys.Rep. 333-334, 77 (2000)

Y.-Z.Qian, G.J.Wasserburg

Stellar Abundances in the Early Galaxy and Two r-Process Components

doi: 10.1016/S0370-1573(00)00017-X
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1999QI03      Astrophys.J. 524, 213 (1999)

Y.-Z.Qian, P.Vogel, G.J.Wasserburg

Probing r-Process Production of Nuclei Beyond ²⁰⁹Bi with Gamma Rays

doi: 10.1086/307805
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1997HA16      Phys.Rev.Lett. 78, 2694 (1997)

W.C.Haxton, K.Langanke, Y.-Z.Qian, P.Vogel

Neutrino-Induced Nucleosynthesis and the Site of the r Process

NUCLEAR STRUCTURE A=124-126; A=183-187; analyzed postprocessed abundance distributions. A ≈ 195; analyzed postprocessing neutron emission probabilities; deduced consistency with neutrino induced nucleosynthesis, strong argument for a supernova r-process site.

doi: 10.1103/PhysRevLett.78.2694
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1997HO10      Nucl.Phys. A621, 397c (1997)

R.D.Hoffman, S.E.Woosley, Y.-Z.Qian

Model Independent r-Process Nucleosynthesis - Constraints on the Key Parameters

doi: 10.1016/S0375-9474(97)00278-9
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1997QI01      Phys.Rev. C55, 1532 (1997)

Y.-Z.Qian, W.C.Haxton, K.Langanke, P.Vogel

Neutrino-Induced Neutron Spallation and Supernova r-Process Nucleosynthesis

NUCLEAR STRUCTURE A=76-195; calculated r-process associated ν(e) capture rates, average neutron number, multiple neutron probabilities.

doi: 10.1103/PhysRevC.55.1532
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1997QI02      Nucl.Phys. A621, 363c (1997)

Y.-Z.Qian

Neutrino-Nucleus Interaction and Supernova r-Process Nucleosynthesis

doi: 10.1016/S0375-9474(97)00272-8
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1996FU16      Nucl.Phys. A606, 167 (1996)

G.M.Fuller, Y.-Z.Qian

Neutrino Gravitational Redshift and the Electron Fraction above Nascent Neutron Stars

doi: 10.1016/0375-9474(96)00268-0
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Note: The following list of authors and aliases matches the search parameter Y.Qian: , Y.B.QIAN, Y.Z.QIAN