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NSR database version of May 22, 2024.

Search: Author = J.Guo

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2024GU07      Phys.Lett. B 850, 138532 (2024)


Prediction of novel effects in rotational nuclei at high speed

doi: 10.1016/j.physletb.2024.138532
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2024LU06      Chin.Phys.C 48, 044103 (2024)

Y.-X.Luo, Q.Liu, J.-Y.Guo

Exploration of the ground state properties of neutron-rich sodium isotopes using the deformed relativistic mean field theory in complex momentum representations with BCS pairings

NUCLEAR STRUCTURE 35,37,39,41,43Na; calculated two-neutron separation energies, quadrupole moments of proton and neutron distributions, rms proton and neutron radii with the deformed relativistic mean field theory in complex momentum representations with BCS pairings (DRMF-CMR-BCS).

doi: 10.1088/1674-1137/ad1fe3
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2024QI02      Phys.Rev. C 109, 044301 (2024)

Yu.-T.Qiu, J.-Y.Guo

Research on the static fission properties of 240Pu within the reflection asymmetric relativistic mean-field theory

doi: 10.1103/PhysRevC.109.044301
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2023LU09      Phys.Rev. C 108, 024320 (2023)

Y.-X.Luo, Q.Liu, J.-Y.Guo

Research on exotic nuclei in deformed relativistic mean-field theory plus BCS in complex momentum representation

NUCLEAR STRUCTURE 44Mg; calculated binding energies, resonant states, J, π single-neutron levels around Fermi surface, occupation probabilities, matter density distributions for neutron - total and contributions from deeply and weekly bound states, density distributions of neutron core and neutron halo, variation of binding energies with the cutoff in the tail of wave functions of resonant states. Deformed relativistic mean field theory in complex momentum representations with BCS pairings (DRMS-CMR-BCS).

doi: 10.1103/PhysRevC.108.024320
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2023ZH06      Phys.Lett. B 838, 137716 (2023)

Y.Zhang, Y.-X.Luo, Q.Liu, J.-Y.Guo

Pseudospin symmetry in resonant states in deformed nuclei

NUCLEAR STRUCTURE 170Yb; calculated pseudospin symmetry (PSS) in resonant states in deformed nuclei by solving the Dirac equation in the complex-momentum representation for a potential with quadrupole deformation at the first order obtained from relativistic mean-field (RMF) calculations.

doi: 10.1016/j.physletb.2023.137716
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2022GU03      Phys.Rev. C 105, 034322 (2022)

J.Guo, C.F.Chen, X.-R.Zhou, Q.B.Chen, H.-J.Schulze

ΛΛ pairing effects in spherical and deformed multi-Λ hyperisotopes

NUCLEAR STRUCTURE 6He, 10,11,12Be, 12,13B, 40Ca, 132Sn, 208Pb, 24Mg, 56Fe, 104Zr; calculated ΛΛ separation energies (S(2Λ)) double-Λ hypernuclei. 40,46Ca, 132,160Sn, 208,272Pb, 24Mg, 56Fe, 104Zr; calculated pairing gaps, pairing energies of hypernuclei. 130Zr; calculated deformation dependence of single-particle level energies, pairing gap and occupation probabilities of hypernuclei. 278Pb; calculated Λ hyperon potentil; single-particle levels. Skyrme-Hartree-Fock approach with Skyrme force SLy5 for the NN interaction, the Nijmegen interaction NSC97f for the ΛN interaction, and the empirical prescription EmpC for the ΛΛ interaction. Comparison to available experimental data.

doi: 10.1103/PhysRevC.105.034322
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2022GU11      Chin.Phys.C 46, 064106 (2022)

J.Guo, D.H.Chen, X.-R.Zhou, Q.B.Chen, H.-J.Schulze

Effects of a kaonic meson on the ground-state properties of nuclei

NUCLEAR STRUCTURE 5,6,7,8,9,10,11,12,13,14,15,16,17,18Be, 11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28O, 15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34Ne; calculated energies of the highest-occupied nucleon s.p. levels, partial neutron and proton s.p. levels within an axially-deformed Skyrme-Hartree-Fock approach combined with a Skyrme-type kaon-nucleon interaction.

doi: 10.1088/1674-1137/ac5601
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2022HE11      Chin.Phys.C 46, 054102 (2022)

C.He, Z.-M.Niu, X.-J.Bao, J.-Y.Guo

Research on α-decay for the superheavy nuclei with Z = 118-120

RADIOACTIVITY 269,271Sg, 270,271,272,273,274Bh, 273,275Hs, 274,275,276Mt, 278Mt, 277,279,281Ds, 278,279,280,281,282Rg, 281,283,285Cn, 282,283,284,285,286Nh, 285,286,287,288,289Fl, 287,288,289,290Mc, 290,291,292,293Lv, 293,294Ts, 294Og, 281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304118, 284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306119, 287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308120(α); calculated T1/2. Comparison with available data.

doi: 10.1088/1674-1137/ac4c3a
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2022HE18      Phys.Rev. C 106, 064310 (2022)

C.He, J.-Y.Guo

Structure and α decay for the neutron-deficient nuclei with 89 ≤ Z ≤ 94 in the density-dependent cluster model combined with a relativistic mean-field approach

RADIOACTIVITY 201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,225Ac, 205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232Th, 209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,231Pa, 212,213,214,215,216,217,218,219,221,220,222,223,224,225,226,227,228,229,230,232,233,234,235,236,238U, 215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,237Np, 220,221,222,223,224,225,226,227,228,229,230,231,236,238,239,240,242,244Pu, 197,198,199,200,201,202,203,204,205,206,209Fr, 193,194,195,196,197,198,199,200,201,202,205At, 189,190,191,192Bi, 201,202,204,205,208,209,210,211,212,213,214,215Ra, 197,198,200,201,204,205,206,207,208,209,210,211Rn, 193,194,196,197,204Po(α); calculated T1/2, α-preformation factor. Density-dependent cluster model with RMF NN interactions, M3Y NN interactions and universal decay law (UDL) formula calculations. Comparison to available experimental data taken from NUBASE 2020.

doi: 10.1103/PhysRevC.106.064310
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2022HU05      Phys.Rev. C 105, 054313 (2022)

B.Huang, J.-Y.Guo, S.-W.Chen

Investigation of pseudospin and spin symmetries in relativistic mean field theory combined with a similarity renormalization group approach

NUCLEAR STRUCTURE 140,142,144,146,148,150,152,154,156,158,160Sn; calculated energy splitting of neutron pseudospin doublets and proton spin partners. 110,112,114,116,118,120,122,124,126,128,130,132,134,136,138,140,142,144,146,148,150,152,154,156,158,160Sn; calculated neutron and proton single-particle energies. Similarity renormalization group (SRG) combined with the relativistic mean-field theory and the Schrödinger-like Hamiltonian describing the motion of nucleon.

doi: 10.1103/PhysRevC.105.054313
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2022LI04      Phys.Lett. B 824, 136829 (2022)

Q.Liu, Y.Zhang, J.-Y.Guo

Pseudospin symmetry in resonant states and its dependence on the shape of potential

NUCLEAR STRUCTURE 132Sn; calculated single-particle levels for neutrons, single particle levels for the pseudospin doublets, wavefunctions of the pseudospin doublets, energies and widths as a function of every potential parameter for the single-particle states, pseudospin energy and width splittings. Dirac equation with a Woods-Saxon potential.

doi: 10.1016/j.physletb.2021.136829
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2022QI06      Phys.Rev. C 106, 034301 (2022)

Y.-T.Qiu, X.-W.Wang, J.-Y.Guo

Microscopic analysis of the ground state properties of the even-even Dy isotopes in the reflection-asymmetric relativistic mean-field theory

NUCLEAR STRUCTURE 146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208Dy; calculated binding energy per nucleon, β2 and β3 deformations as function of mass number, matter density distributions, and potential energy surfaces in (β2, β3) plane for the ground states of A=146-160 and A=188-202 even-even Dy nuclei. Reflection-asymmetric relativistic mean-field theory (RASRMF). Comparison with results from the finite-range droplet model (FRDM), and the deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc), and the available experimental data.

doi: 10.1103/PhysRevC.106.034301
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2022ZH24      J.Phys.(London) G49, 065101 (2022)

S.-Y.Zhai, X.-N.Cao, J.-Y.Guo

Research on the deformed halo in 29F with a complex momentum representation method

NUCLEAR STRUCTURE 29F; calculated occupation probabilities, wavefunctions, energy levels vs. deformation parameters. The complex momentum representation (CMR) method.

doi: 10.1088/1361-6471/ac5dfd
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2021GU28      Phys.Rev. C 104, L061307 (2021)

J.Guo, X.-R.Zhou, H.-J.Schulze

Skyrme force for all known Ξ- hypernuclei

NUCLEAR STRUCTURE 12Be, 13B, 15C; analyzed experimental results for Ξ- hypernuclei within a Skyrme-Hartree-Fock approach, with optimal Skyrme parameters determined for a consistent description of experimental data from KISO, IBUKI, KINKA, BNL-E885, BNL-E906, KEK-E224, and KEK-E176 facilities for these nuclei; calculated removal energies for the 1s and 1p states of 13B and 12Be Ξ- hypernuclei. Discussed role of deformation for 13B Ξ- hypernucleus.

doi: 10.1103/PhysRevC.104.L061307
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2021LU09      Phys.Rev. C 104, 014307 (2021)

Y.-X.Luo, K.Fossez, Q.Liu, J.-Y.Guo

Role of quadrupole deformation and continuum effects in the "island of inversion" nuclei 28, 29, 31F

NUCLEAR STRUCTURE 28,29,31F; calculated neutron Nilsson single-particle levels, single-particle energies and widths as a function of quadrupole deformation parameter β2, radial density distributions for the single-particle states using the relativistic mean-field approach in the complex-momentum representation (CMR) with the Green's function (GF) method. Discussed halo structures in 29,31F.

doi: 10.1103/PhysRevC.104.014307
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2021WA47      Phys.Rev. C 104, 044315 (2021)

X.-W.Wang, J.-Y.Guo

Research on deformed exotic nuclei by relativistic mean field theory in complex momentum representation

NUCLEAR STRUCTURE 75Cr; calculated binding energy per nucleon and energies of single-particle Nilsson levels as a function of quadrupole deformation β2, energies of single-particle bound and resonant states as a function of β2 with real and imaginary components (numerical values tabulated in the Supplemental Material of the paper), radial density distributions for single-particle states, occupation probabilities of Nilsson orbitals. Complex momentum representation (CMR) method for resonances with the relativistic mean field (RMF) theory.

doi: 10.1103/PhysRevC.104.044315
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2021YU05      Phys.Rev. C 104, 035201 (2021)

Z.Yu, M.Song, J.-Y.Guo, Y.Zhang, G.Li

Probing double hadron resonances by the complex scaling method

doi: 10.1103/PhysRevC.104.035201
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2020CA22      Phys.Rev. C 102, 044313 (2020)

X.-N.Cao, K.-M.Ding, M.Shi, Q.Liu, J.-Y.Guo

Exploration of the exotic structure in Ce isotopes by the relativistic point-coupling model combined with complex momentum representation

NUCLEAR STRUCTURE 178,180,182,184,186,188,190,192,194,196,198Ce; calculated neutron single-particle levels, energies of single-particle levels near the Fermi surface, occupation probabilities for even-even A=184-198 Ce isotopes, neutron density distributions, wave functions of single-particle states in 198Ce. Relativistic point-coupling model combined with complex momentum representation by considering resonances through BCS approximation (RMFPCCMR-BCS) theory.

doi: 10.1103/PhysRevC.102.044313
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2020SH02      Phys.Lett. B 801, 135174 (2020)

X.-X.Shi, Q.Liu, J.-Y.Guo, Z.-Z.Ren

Pseudospin and spin symmetries in single particle resonant states in Pb isotopes

NUCLEAR STRUCTURE 190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220Pb; calculated energies and widths, pseudospin and spin splittings. RMF-CMR theory.

doi: 10.1016/j.physletb.2019.135174
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2020SH10      Chin.Phys.C 44, 054103 (2020)

X.-X.Shi, Q.Liu, D.-D.Ni, J.-Y.Guo, Z.-Z.Ren

The first excited single-proton resonance in 15F by complex-scaled Green's function method

NUCLEAR STRUCTURE 15F; calculated eigenvalues of resonant states, resonance energies and widths, level densities, phase shifts, σ using the complex-scaled Green's function (CGF) method.

doi: 10.1088/1674-1137/44/5/054103
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2019CA02      Phys.Rev. C 99, 014309 (2019)

X.-N.Cao, Q.Liu, J.-Y.Guo

Prediction of halo structure in nuclei heavier than 37Mg with the complex momentum representation method

NUCLEAR STRUCTURE 53Ar, 75Cr, 77Fe; calculated neutron single particle levels, occupation probabilities of major configurations, and radial density distributions of single particle states as function of deformation parameter β2 using complex momentum representation (CMR) method. Discussed possible halo structures in heavier nuclei.

doi: 10.1103/PhysRevC.99.014309
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2019CA08      Phys.Rev. C 99, 024314 (2019)

X.-N.Cao, Q.Liu, Z.-M.Niu, J.-Y.Guo

Systematic studies of the influence of single-particle resonances on neutron halo and skin in the relativistic-mean-field and complex-momentum-representation methods

NUCLEAR STRUCTURE 40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72,74Ca, 50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84Ni, 114,116,118,120,122,124,126,128,130,132,134,136,138,140,142,144,146,148,150,152,154Sn, 200,202,204,206,208,210,212,214,216,218,220,222,224,226,228,230,232,234,236,238,240Pb; calculated neutron rms radii, S(2n), single-neutron energies, occupation probabilities of single-neutron levels, and density distributions of 74Ca, 84Ni, 160Sn, 240Pb using relativistic-mean-field and complex-momentum-representation (RMF-CMR) method. Comparison with relativistic Hartree-Bogoliubov calculations, and with experimental data.

doi: 10.1103/PhysRevC.99.024314
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2019GU13      Phys.Rev. C 99, 054901 (2019)

J.Guo, W.-s.Dai, M.Xie, Y.Liu

Heavy quarkonium dissociation in the finite space of heavy-ion collisions

doi: 10.1103/PhysRevC.99.054901
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2018CA15      J.Phys.(London) G45, 085105 (2018)

X.-N.Cao, Q.Liu, J.-Y.Guo

Inerpretation of halo in 19C with complex momentum representation method

NUCLEAR STRUCTURE 19C; calculated energy spectra in the complex momentum plane for the single-particle states, single-neutron energies as a function of quadrupole deformation parameter, occupation probabilities, radial density distributions, root mean square radius of single-particle levels occupied by the last valence neutron, single-particle energies as the function of potential parameters for the bound and resonant states. Comparison with available data.

doi: 10.1088/1361-6471/aad0bf
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2018DI08      Phys.Rev. C 98, 014316 (2018)

K.-M.Ding, M.Shi, J.-Y.Guo, Z.-M.Niu, H.Liang

Resonant-continuum relativistic mean-field plus BCS in complex momentum representation

NUCLEAR STRUCTURE 120,122,124,126,128,130,132,134,136,138,140Zr; calculated neutron single particle energies and widths, occupation probabilities of neutron single particle levels, and neutron single particle spectra and density distributions in 124Zr. 80,82,84,86,88,90,92,94,96,98,100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134,136,138,140Zr; calculated S(2n), rms neutron radii. Resonant-continuum relativistic mean-field plus BCS in complex momentum representation with the BCS approximation for pairing correlations. Comparison with available experimental values.

doi: 10.1103/PhysRevC.98.014316
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2017FA02      Phys.Rev. C 95, 024311 (2017)

Z.Fang, M.Shi, J.-Y.Guo, Z.-M.Niu, H.Liang, S.-S.Zhang

Probing resonances in the Dirac equation with quadrupole-deformed potentials with the complex momentum representation method

NUCLEAR STRUCTURE 37Mg; calculated levels, resonances, single-particle resonances, J, π, single-particle energies for deformation (Nilsson orbitals) for the bound and resonant states concerned, radial-momentum probability distributions for the bound and resonant deformed states by solving the Dirac equation in complex momentum representation, and a set of coupled differential equations by the coupled-channel method.

doi: 10.1103/PhysRevC.95.024311
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2017SH09      Eur.Phys.J. A 53, 40 (2017)

M.Shi, X.-X.Shi, Z.-M.Niu, T.-T.Sun, J.-Y.Guo

Relativistic extension of the complex scaled Green's function method for resonances in deformed nuclei

NUCLEAR STRUCTURE A=31; calculated continuum level density for the 9/2[404] state, density of continuum states with quadrupole deformation and selected rotation angles; deduced influence of potential and its parameters.

doi: 10.1140/epja/i2017-12241-6
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2017TI04      Chin.Phys.C 41, 044104 (2017)

Y.-J.Tian, T.-H.Heng, Z.-M.Niu, Q.Liu, J.-Y.Guo

Exploration of resonances by using complex momentum representation

NUCLEAR STRUCTURE 17O; calculated the bound states and resonant states using the complex momentum representation in comparison with those obtained in coordinate representation by the complex scaling method for resonances.

doi: 10.1088/1674-1137/41/4/044104
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2017TI05      Phys.Rev. C 95, 064329 (2017)

Y.-J.Tian, Q.Liu, T.-H.Heng, J.-Y.Guo

Research on the halo in 31Ne with the complex momentum representation method

NUCLEAR STRUCTURE 31Ne; calculated single-particle spectra for several different deformations, neutron single-particle levels and resonances as a function of quadrupole deformation β2, occupation probabilities, widths of resonant states. Scattering phase shift approach or complex scaling method to explore the physical mechanism of a deformed halo in 31Ne.

doi: 10.1103/PhysRevC.95.064329
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2016LI35      Phys.Rev.Lett. 117, 062502 (2016)

N.Li, M.Shi, J.-Y.Guo, Z.-M.Niu, H.Liang

Probing Resonances of the Dirac Equation with Complex Momentum Representation

NUCLEAR STRUCTURE 120Sn; calculated energies and widths of single neutron state resonances. Relativistic mean-field (RMF) theory.

doi: 10.1103/PhysRevLett.117.062502
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2016NI16      Phys.Rev. C 94, 054315 (2016)

Z.M.Niu, B.H.Sun, H.Z.Liang, Y.F.Niu, J.Y.Guo

Improved radial basis function approach with odd-even corrections

ATOMIC MASSES Z=8-100, N=8-160, A=16-260; calculated masses using relativistic mean-field (RMF) with radial basis function (RBF) approach, and RMF with RBF considering odd-even effects (RBFoe). Z=31, 32, N=31-53; calculated S(n) with RMF+RBF, and RMF+RBFoe approaches. Comparison with experimental data taken form AME-2012.

doi: 10.1103/PhysRevC.94.054315
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2016SH25      Phys.Rev. C 94, 024302 (2016)

X.-X.Shi, M.Shi, Z.-M.Niu, T.-H.Heng, J.-Y.Guo

Probing resonances in deformed nuclei by using the complex-scaled Green's function method

NUCLEAR STRUCTURE 45S; calculated level densities as a function of quadrupole deformation β2, widths of resonant states, neutron single-particle levels using complex-scaled Green's function (CGF) method with theory of deformed nuclei. Comparison with calculations using complex scaling, and coupled-channel methods.

doi: 10.1103/PhysRevC.94.024302
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2016TA11      Chin.Phys.C 40, 074102 (2016)

J.Tang, Z.-M.Niu, J.-Y.Guo

Influence of binding energies of electrons on nuclear mass predictions

ATOMIC MASSES Z<120; calculated impact of binding energies of electrons on nuclear mass predictions.

doi: 10.1088/1674-1137/40/7/074102
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2016WA06      J.Phys.(London) G43, 045108 (2016)

Z.Y.Wang, Y.F.Niu, Z.M.Niu, J.Y.Guo

Nuclear β-decay half-lives in the relativistic point-coupling model

RADIOACTIVITY O, Ne, Mg, Si, S, Ar, Ca, Ti, Cr, Ni, 62,64,66,68,70,72Fe, 78,80,82Zn(β-); calculated T1/2, Q-value. Nonlinear point-coupling effective interaction PC-PK1, comparison with experimental data.

doi: 10.1088/0954-3899/43/4/045108
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2015GU15      Phys.Rev. C 92, 014307 (2015)


General formalism of collective motion for any deformed system

doi: 10.1103/PhysRevC.92.014307
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2015LI04      Phys.Rev. C 91, 024311 (2015)

D.-P.Li, S.-W.Chen, Z.-M.Niu, Q.Liu, J.-Y.Guo

Further investigation of relativistic symmetry in deformed nuclei by similarity renormalization group

NUCLEAR STRUCTURE 154Dy; calculated single-particle energies, spin and pseudospin energy splittings as function of β2 deformation parameter, contributions by the nonrelativistic, dynamical, and spin-orbit coupling terms. Origin and breaking mechanism of relativistic symmetries for an axially deformed nucleus. Relativistic symmetry approach using the similarity renormalization group (SRG).

doi: 10.1103/PhysRevC.91.024311
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2015SH34      Phys.Rev. C 92, 054313 (2015)

M.Shi, J.-Y.Guo, Q.Liu, Z.-M.Niu, T.-H.Heng

Relativistic extension of the complex scaled Green function method

NUCLEAR STRUCTURE 120Sn; calculated energies and widths of single-neutron resonant states using RMF-CGF method, complex scaled Green function method extended to relativistic framework. Comparison with other theoretical calculations.

doi: 10.1103/PhysRevC.92.054313
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2015WA12      J.Phys.(London) G42, 055112 (2015)

Z.Y.Wang, Z.M.Niu, Q.Liu, J.Y.Guo

Systematic calculations of α-decay half-lives with an improved empirical formula

NUCLEAR STRUCTURE A<260; analyzed available data; calculated α-decay T1/2; deduced a new formula. Comparison with experimental data.

doi: 10.1088/0954-3899/42/5/055112
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2014GU05      Phys.Rev.Lett. 112, 062502 (2014)

J.-Y.Guo, S.-W.Chen, Z.-M.Niu, D.-P.Li, Q.Liu

Probing the Symmetries of the Dirac Hamiltonian with Axially Deformed Scalar and Vector Potentials by Similarity Renormalization Group

NUCLEAR STRUCTURE 154Dy; calculated single-particle levels, spin energy splitting and their correlation with the deformation parameters.

doi: 10.1103/PhysRevLett.112.062502
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2014SH27      Phys.Rev. C 90, 034318 (2014)

M.Shi, D.-P.Li, S.-W.Chen, J.-Y.Guo

Examination of the pseudospin symmetry for the relativistic harmonic oscillator with the similarity renormalization group

doi: 10.1103/PhysRevC.90.034318
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2014SH28      Phys.Rev. C 90, 034319 (2014)

M.Shi, Q.Liu, Z.-M.Niu, J.-Y.Guo

Relativistic extension of the complex scaling method for resonant states in deformed nuclei

NUCLEAR STRUCTURE A=31; calculated single-particle levels and resonance parameters for all the concerned resonant states in nuclei with A=31. Complex scaling method extended to relativistic framework for resonances in deformed nuclei.

doi: 10.1103/PhysRevC.90.034319
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2014ZH09      Phys.Rev. C 89, 034307 (2014)

Z.-L.Zhu, Z.-M.Niu, D.-P.Li, Q.Liu, J.-Y.Guo

Probing single-proton resonances in nuclei by the complex-scaling method

NUCLEAR STRUCTURE 114,116,118,120,122,124,132Sn, 126Ru, 128Pd, 130Cd, 134Te, 136Xe; calculated energies and width of single-proton resonant states. 40Ca, 56,78Ni, 100,132Sn, 208Pb; calculated difference of energies of single-proton resonant states for doubly magic nuclei with and without Coulomb exchange terms. Complex scaling method with relativistic mean-field theory (RMF-CMS). Comparison with other theoretical calculations.

doi: 10.1103/PhysRevC.89.034307
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2013LI18      Phys.Rev. C 87, 044311 (2013)

D.-P.Li, S.-W.Chen, J.-Y.Guo

Further investigation of relativistic symmetry with the similarity renormalization group

doi: 10.1103/PhysRevC.87.044311
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2013NI07      Phys.Rev. C 87, 037301 (2013)

Z.M.Niu, Q.Liu, Y.F.Niu, W.H.Long, J.Y.Guo

Nuclear effective charge factor originating from covariant density functional theory

NUCLEAR STRUCTURE Z=20, A=38-78; Z=28, A=60-100; Z=50, A=100-180; Z=82, A=180-270; calculated effective charge factors, Coulomb exchange energies, and relative deviations of Coulomb exchange energies as function of mass number for semi-magic nuclei. Relativistic Hartree-Fock-Bogoliubov (RHFB) approach with PKA1 effective interaction.

doi: 10.1103/PhysRevC.87.037301
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2013NI09      Phys.Rev. C 87, 051303 (2013)

Z.M.Niu, Y.F.Niu, Q.Liu, H.Z.Liang, J.Y.Guo

Nuclear β+/EC decays in covariant density functional theory and the impact of isoscalar proton-neutron pairing

RADIOACTIVITY 32,34Ar, 36,38Ca, 40,42Ti, 46,48,50Fe, 50,52,54Ni, 56,58Zn, 96,98,100Cd, 100,102,104Sn(β+), (EC); calculated half-lives, B(GT). Self-consistent proton-neutron QRPA with relativistic Hartree-Bogoliubov (QRPA+RHB) calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.051303
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2013NI14      Phys.Rev. C 88, 024325 (2013)

Z.M.Niu, Z.L.Zhu, Y.F.Niu, B.H.Sun, T.H.Heng, J.Y.Guo

Radial basis function approach in nuclear mass predictions

ATOMIC MASSES Z=8-108, N=8-160; calculated masses using radial basis function approach with eight nuclear mass models; comparison with AME-1995, AME-2003 and AME-2012 evaluated masses. Discussed potential of RBF approach in prediction of masses.

doi: 10.1103/PhysRevC.88.024325
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2012CH22      Phys.Rev. C 85, 054312 (2012)

S.-W.Chen, J.-Y.Guo

Relativistic effect of spin and pseudospin symmetries

doi: 10.1103/PhysRevC.85.054312
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2012GU02      Phys.Rev. C 85, 021302 (2012)


Exploration of relativistic symmetry by the similarity renormalization group

doi: 10.1103/PhysRevC.85.021302
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2012LI48      Phys.Rev. C 86, 054312 (2012)

Q.Liu, J.-Y.Guo, Z.-M.Niu, S.-W.Chen

Resonant states of deformed nuclei in the complex scaling method

NUCLEAR STRUCTURE 31Ne; calculated energies and widths of bound states, and low-lying neutron resonances, neutron single-particle levels using the complex scaling method. Resonances of deformed nuclei.

doi: 10.1103/PhysRevC.86.054312
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2012LI54      Phys.Rev. C 86, 067302 (2012)

H.J.Li, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, Z.G.Xiao, M.Sakhaee, J.Y.Guo, S.W.Chen, N.T.Brewer, S.H.Liu, K.Li, E.Y.Yeoh, Z.Zhang, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, G.Ter-Akopian, A.Daniel, Yu.Ts.Oganessian, W.C.Ma

Identification of a new side-band and proposed octupole correlations in very neutron-rich 152Ce

RADIOACTIVITY 252Cf(SF); measured prompt γ spectrum, Eγ, Iγ, γγ-coin using Gammasphere array at LBNL. 152Ce; deduced high-spin levels, J, p, rotational bands, β2 and β3 deformations, B(E1)/B(E2) ratios, moments of inertia plots, octupole band with s=+1. Comparison with calculations in a reflection asymmetric relativistic mean-field (RAS-RMF) approach. Calculated β2 versus β3 contour plot.

doi: 10.1103/PhysRevC.86.067302
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Data from this article have been entered in the XUNDL database. For more information, click here.

2012SU05      Eur.Phys.J. A 48, 18 (2012)

Y.-W.Sun, Y.Liu, S.-W.Chen, Q.Liu, J.-Y.Guo

Influences on the pseudospin symmetry from the different fields of mesons in deformed nuclei

NUCLEAR STRUCTURE 168Er; calculated nucleon pseudospin doublets energy splitting using RMF.

doi: 10.1140/epja/i2012-12018-5
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2012XU12      Int.J.Mod.Phys. E21, 1250096 (2012)

Q.Xu, J.-Y.Guo

Spin symmetry in the resonant states of nuclei

NUCLEAR STRUCTURE 208Pb; calculated energy of resonant states, single-particle levels, spin-energy splitting. Dirac equation with Woods-Saxon vector and scalar potentials.

doi: 10.1142/S0218301312500966
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2011WA22      Chin.Phys.C 35, 753 (2011)

H.-K.Wang, Z.-C.Gao, Y.-S.Chen, J.-Y.Guo, Y.-J.Chen, Y.Tu

The structure of the spherical tensor forces in the USD and GXPF1A shell model Hamiltonians

doi: 10.1088/1674-1137/35/8/010
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2010GU16      Phys.Rev. C 82, 034318 (2010)

J.-Y.Guo, X.-Z.Fang, P.Jiao, J.Wang, B.-M.Yao

Application of the complex scaling method in relativistic mean-field theory

NUCLEAR STRUCTURE 120Sn; calculated energies and widths of low-lying single-neutron resonant states using complex scaling method (CSM) in the framework of relativistic mean field (RMF) model. Comparison with results from real stabilization method, the scattering phase-shift method, and the analytic continuation in the coupling constant approach.

doi: 10.1103/PhysRevC.82.034318
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2010GU18      Phys.Rev. C 82, 047301 (2010)

J.-Y.Guo, P.Jiao, X.-Z.Fang

Microscopic description of nuclear shape evolution from spherical to octupole-deformed shapes in relativistic mean-field theory

NUCLEAR STRUCTURE 210,212,214,216,218,220,222,224,226,228,230,232,234,236,238,240,242,244,246Th; calculated binding energies, β2, β3 and β4 deformation parameters, matter density distribution contours, and potential energy surfaces using relativistic mean-field (RMF) theory.

doi: 10.1103/PhysRevC.82.047301
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2010GU23      Eur.Phys.J. A 45, 179 (2010)

J.-Y.Guo, X.-Z.Fang

Research on the contributions from different fields of mesons and photons to pseudospin symmetry

doi: 10.1140/epja/i2010-10990-2
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2009SU25      Chin.Phys.C 33, Supplement 1, 130 (2009)

Q.Sun, J.-Y.Guo

Neutron halos in the excited states for N = 127 isotones

NUCLEAR STRUCTURE 209Pb, 207Hg, 208Tl, 210Bi, 211Po; calculated density distribution of neutron, proton, matter, excited states; deduced neutron halo in the excited states. RMF theory.

doi: 10.1088/1674-1137/33/S1/041
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2009YU09      Chin.Phys.C 33, Supplement 1, 134 (2009)

Y.Yu, J.-Y.Guo

Solution to the eigenstates of pairing Hamiltonian in finite nuclei

doi: 10.1088/1674-1137/33/S1/042
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2009ZH49      Chin.Phys.C 33, Supplement 1, 140 (2009)

L.-D.Zhang, J.-Y.Guo, X.-Z.Fang

With the alpha-cluster model to explain the change of separating energy

NUCLEAR STRUCTURE 4,6,8He, 6,8,10Li, 8,10,12Be, 10,12,14B, 12,14,16C, 14,16,18N, 16,18O, 18,20F; calculated separation energy of nn pair, two nn pairs, binding energy for Hydrogen isotopes.

doi: 10.1088/1674-1137/33/S1/044
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2008GU03      Int.J.Mod.Phys. E17, 539 (2008)

J.Y.Guo, X.Z.Fang, Z.Q.Sheng

Shape phase transitions and possible E(5) symmetry nuclei for Ti isotopes

NUCLEAR STRUCTURE 42,44,46,48,50,52,54,56,58,60,62,64Ti; calculated potential energy surfaces and ground state deformations using relativistic mean field theory.

doi: 10.1142/S0218301308009860
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2008ZH23      Int.J.Mod.Phys. E17, 1309 (2008)

F.Zhou, J.-Y.Guo

Properties of the superheavy nucleus 294118 and its α-decay chain in the relativistic mean field theory

NUCLEAR STRUCTURE A=294, Z=118; calculated binding energy/nucleon, α-decay Q values; deformed RMF+BCS model; comparison with experimental data.

doi: 10.1142/S0218301308010441
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2006GU19      Phys.Rev. C 74, 024320 (2006)

J.Y.Guo, X.Z.Fang

Isospin dependence of pseudospin symmetry in nuclear resonant states

NUCLEAR STRUCTURE Sn; A=108-168; calculated single-particle resonant states energies and widths, energy splitting for pseudospin and spin-orbit doublets. 108,118,128,138,148,158,168Sn; calculated neutron potentials. Relativistic mean-field theory, analytic continuation of the coupling constant method.

doi: 10.1103/PhysRevC.74.024320
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2006QI03      Yuan.Wul.Ping. 23, 400 (2006); Nucl.Phys.Rev. 23, 404 (2006)

Z.Qin, X.-l.Wu, H.-j.Ding, W.Wu, W.-x.Huang, X.-g.Lei, Y.-b.Xu, X.-h.Yuan, B.Guo, W.-f.Yang, Z.-g.Gan, H.-m.Fan, J.-S.Guo, H.-s.Xu, G.-q.Xiao

Alpha-decay Properties of 266Bh

RADIOACTIVITY 266Bh(α) [from 243Am(26Mg, X), E=162 MeV]; measured decay products, Eα, Iα, α-α correl.; deduced T1/2. Comparison with Q-N systematics.

ATOMIC MASSES 266Bh, 262Db; measured decay products, Eα, Iα, α-α correl.; deduced Q-value. Comparison with Q-N systematics.

2006YU04      Int.J.Mod.Phys. E15, 939 (2006)

M.Yu, P.-F.Zhang, T.-N.Ruan, J.-Y.Guo

Shape evolution for Ce isotopes in relativistic mean-field theory

NUCLEAR STRUCTURE 120,122,124,126,128,130,132,134,136,138,140,142Ce; calculated binding energies, potential energy surfaces, single-particle energies, deformation. Relativistic mean-field approach.

doi: 10.1142/S0218301306004661
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2006ZH47      Radiochim.Acta 94, 385 (2006)

S.Zhang, L.Yang, J.Guo, F.Wang, A.Cui, L.Diao

Measurement of thermal neutron cross sections of the reactions 126Sn(n, γ)127g, 127mSn

NUCLEAR REACTIONS 126Sn(n, γ), E=thermal; measured production σ for ground and metastable states. Activation, radiochemical separation.

RADIOACTIVITY 127,127mSn, 127Sb(β-) [from 126Sn(n, γ) and subsequent decay]; measured Eγ, Iγ.

doi: 10.1524/ract.2006.94.8.385
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset31631.

2005GU23      Nucl.Phys. A757, 411 (2005)

J.-Y.Guo, X.-Z.Fang, F.-X.Xu

Pseudospin symmetry in the relativistic harmonic oscillator

NUCLEAR STRUCTURE 208Pb; calculated neutron single-particle levels, pseudospin symmetry features. Relativistic harmonic oscillator, Dirac equation.

doi: 10.1016/j.nuclphysa.2005.04.017
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2005GU35      Phys.Rev. C 72, 054319 (2005)

J.-Y.Guo, R.-D.Wang, X.-Z.Fang

Pseudospin symmetry in the resonant states of nuclei

NUCLEAR STRUCTURE 208Pb; calculated resonant states energies, pseudospin splitting.

doi: 10.1103/PhysRevC.72.054319
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2005LU22      Chin.Phys.Lett. 22, 2792 (2005)

X.-Q.Lu, P.Zhou, J.-Y.Guo, X.Zhang, K.Zhao, M.-N.Ni, L.Sui, J.-P.Mei, J.-C.Liu

Simultaneous Elastic Recoil Detection Analysis of H and Other Elements in Foils

NUCLEAR REACTIONS H, N, Si, C, O(127I, 127I), E=40, 65, 90, 115, 140 MeV; measured recoil particle spectra, coincidences.

doi: 10.1088/0256-307X/22/11/018
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2004GA29      Eur.Phys.J. A 20, 385 (2004)

Z.G.Gan, J.S.Guo, X.L.Wu, Z.Qin, H.M.Fan, X.G.Lei, H.Y.Liu, B.Guo, H.G.Xu, R.F.Chen, C.F.Dong, F.M.Zhang, H.L.Wang, C.Y.Xie, Z.Q.Feng, Y.Zhen, L.T.Song, P.Luo, H.S.Xu, X.H.Zhou, G.M.Jin, Z.Ren

New isotope 265Bh

NUCLEAR REACTIONS 243Am(26Mg, 4n), E=168 MeV; measured delayed (recoil)α-, αα-coin following residual nucleus decay; deduced evidence for 265Bh.

RADIOACTIVITY 264,265Bh, 261Db, 257Lr(α) [from 243Am(26Mg, 4n) and subsequent decay]; measured decay products, Eα, Iα; deduced T1/2.

doi: 10.1140/epja/i2004-10020-2
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2004GA62      High Energy Phys. and Nucl.Phys. (China) 28, 332 (2004)

Z.-G.Gan, H.-M.Fan, Z.Qin, X.-L.Wu, J.-S.Guo, X.-G.Lei, C.-F.Dong, H.-G.Xu, R.-F.Chen, F.-M.Zhang, B.Guo, H.-Y.Liu, H.-L.Wang, C.-Y.Xie, Z.-Q.Feng, Y.Zheng, L.-T.Song, P.Luo, H.-S.Xu, X.-H.Zhuo, G.-M.Jin, Z.-Z.Ren

First Observation for Isotope 265Bh(Z=107)

2004ZH13      Chin.Phys.Lett. 21, 632 (2004)

S.-S.Zhang, J.-Y.Guo, S.-Q.Zhang, J.Meng

Analytic Continuation in the Coupling Constant Method for the Dirac Equation

doi: 10.1088/0256-307X/21/4/012
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2002GU33      J.Nucl.Radiochem.Sci. 3, No 1, 183 (2002)

J.S.Guo, Z.Qin, Z.G.Gan, H.M.Fan, Y.B.Xu, J.J.He, X.G.Lei, X.L.Wu, H.Y.Liu, X.H.Zhou, S.G.Yuan, G.M.Jin

Preparation of Thick Americium Targets and Synthesis of 259Db

NUCLEAR REACTIONS 241Am(22Ne, 4n), E=118 MeV; measured delayed Eα, αα-coin; deduced evidence for 259Db.

RADIOACTIVITY 259Db, 255Lr(α) [from 241Am(22Ne, 4n) and subsequent decay]; measured Eα, T1/2.

2002JI07      Nucl.Instrum.Methods Phys.Res. A489, 195 (2002)

S.Jiang, M.He, L.Diao, C.Li, J.Guo, S.Wu

Re-Measurement of the Half-Life of 79Se

RADIOACTIVITY 79Se(β-); 75Se(EC); measured X-ray spectra, T1/2. Projectile X-ray detection in accelerator mass spectrometry.

doi: 10.1016/S0168-9002(02)00862-8
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2002SI16      Nucl.Phys. A701, 23c (2002)

C.Signorini, A.Andrighetto, J.Y.Guo, M.Ruan, L.Stroe, F.Soramel, K.E.G.Lobner, L.Muller, D.Pierroutsakou, M.Romoli, K.Rudolph, I.Thompson, M.Trotta, A.Vitturi

The Potential of the Loosely Bound 9Be from 209Bi Elastic Scattering: Unusual behaviour at near threshold energy

NUCLEAR REACTIONS 209Bi(9Be, 9Be), (9Be, 9Be'), E=40, 42, 44, 46, 48 MeV; measured σ(θ); deduced Woods-Saxon potential parameters.

doi: 10.1016/S0375-9474(01)01541-X
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0176.

2001FA25      High Energy Phys. and Nucl.Phys. (China) 25, 602 (2001)

H.-M.Fan, Z.-G.Gan, Z.Qin, X.-G.Lei, Y.-B.Xu, J.-J.He, H.-Y.Liu, X.-L.Wu, J.-S.Guo, X.-H.Zhou, S.-G.Yuan, G.-M.Jin

A New Isotope of Z=105 with Mass Number 259

2001GA20      Eur.Phys.J. A 10, 21 (2001)

Z.G.Gan, Z.Qin, H.M.Fan, X.G.Lei, Y.B.Xu, J.J.He, H.Y.Liu, X.L.Wu, J.S.Guo, X.H.Zhou, S.G.Yuan, G.M.Jin

A New Alpha-Particle-Emitting Isotope 259Db

NUCLEAR REACTIONS 241Am(22Ne, 4n), (22Ne, 5n), E=118 MeV; measured Eα, αα-coin following residual nucleus decay; deduced evidence for 258,259Db.

RADIOACTIVITY 258,259Db, 254,255Lr(α) [from 241Am(22Ne, xn) and subsequent decay]; measured Eα, T1/2.

doi: 10.1007/s100500170140
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2001JI04      Chin.Phys.Lett. 18, 746 (2001)

S.-S.Jiang, M.He, L.-J.Diao, J.-R.Guo, S.-Y.Wu

Remeasurement of the Half-Life of 79Se with the Projectile X-Ray Detection Method

RADIOACTIVITY 79Se(β-); measured T1/2. Accelerator mass spectrometry, projectile X-ray detection.

doi: 10.1088/0256-307X/18/6/311
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2001SI23      Eur.Phys.J. A 10, 249 (2001)

C.Signorini, M.Mazzocco, G.F.Prete, F.Soramel, L.Stroe, A.Andrighetto, I.J.Thompson, A.Vitturi, A.Brondi, M.Cinausero, D.Fabris, E.Fioretto, N.Gelli, J.Y.Guo, G.La Rana, Z.H.Liu, F.Lucarelli, R.Moro, G.Nebbia, M.Trotta, E.Vardaci, G.Viesti

Strong Reaction Channels at Barrier Energies in the System 6Li + 208Pb

NUCLEAR REACTIONS 208Pb(6Li, X), (6Li, αX), (7Li, X), (7Li, αX), E=29-39 MeV; measured particle spectra, σ, σ(θ); deduced reaction mechanism features.

doi: 10.1007/s100500170109
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1615.

2001SO02      Phys.Rev. C63, 031304 (2001)

F.Soramel, A.Guglielmetti, L.Stroe, L.Muller, R.Bonetti, G.L.Poli, F.Malerba, E.Bianchi, A.Andrighetto, J.Y.Guo, Z.C.Li, E.Maglione, F.Scarlassara, C.Signorini, Z.H.Liu, M.Ruan, M.Ivascu, C.Broude, P.Bednarczyk, L.S.Ferreira

New Strongly Deformed Proton Emitter: 117La

RADIOACTIVITY 117La(p) [from 64Zn(58Ni, p4n), E=310 MeV]; measured proton spectra, T1/2. 117La deduced ground state and isomeric level T1/2, J, π, deformation, Nilsson orbital. Comparison with Gamow-state calculations. Mass separator.

doi: 10.1103/PhysRevC.63.031304
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2000SI19      Phys.Rev. C61, 061603 (2000)

C.Signorini, A.Andrighetto, M.Ruan, J.Y.Guo, L.Stroe, F.Soramel, K.E.G.Lobner, L.Muller, D.Pierroutsakou, M.Romoli, K.Rudolph, I.J.Thompson, M.Trotta, A.Vitturi, R.Gernhauser, A.Kastenmuller

Unusual Near-Threshold Potential Behavior for the Weakly Bound Nucleus 9Be in Elastic Scattering from 209Bi

NUCLEAR REACTIONS 209Bi(9Be, 9Be), E=40-48 MeV; measured σ(θ); deduced optical model parameters, possible coupling to excited states. 209Bi(9Be, 9Be'), E=48 MeV; measured σ(E, θ).

doi: 10.1103/PhysRevC.61.061603
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1999GA41      Eur.Phys.J. A 6, 59 (1999)

Z.G.Gan, Z.Qin, J.S.Guo, L.J.Shi, H.Y.Liu, T.R.Guo, X.G.Lei, R.C.Ma, W.X.Huang, S.G.Yuan, X.Q.Zhang, G.M.Jin

Decay of the Very Neutron-Deficient Isotope 131Pm

RADIOACTIVITY 131Pm(β+), (EC) [from 106Cd(32S, 4n3p), E=170 MeV]; measured Eγ, Iγ, γγ-, (X-ray)γ-coin, T1/2. 131Nd, 131Pr deduced levels.

doi: 10.1007/s100500050317
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1999HE01      Phys.Rev. C59, 520 (1999)

J.He, W.Yang, S.Yuan, Y.Xu, Z.Li, T.Ma, B.Xiong, Z.Qin, W.Mou, Z.Gan, L.Shi, T.Guo, Z.Chen, J.Guo

Synthesis and Identification of a New Heavy Neutron-Rich Isotope 238Th

NUCLEAR REACTIONS 238U(18O, X), E=60 MeV/nucleon; measured Eγ, Iγ(t)(X-ray)γ-coin; deduced evidence for 238Th. Radiochemical separation.

RADIOACTIVITY 238Th(β-) [from 238U(18O, X), E=60 MeV/nucleon]; measured Eγ, Iγ(t), (X-ray)γ-coin; deduced T1/2.

doi: 10.1103/PhysRevC.59.520
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1999HU05      Phys.Rev. C59, 2402 (1999)

W.X.Huang, R.C.Ma, S.W.Xu, X.J.Xu, J.S.Guo, X.F.Sun, Y.X.Xie, Z.K.Li, Y.X.Ge, Y.Y.Wang, C.F.Wang, T.M.Zhang, G.M.Jin, Y.X.Luo

β-Delayed Proton Decays of the Tz = 1/2 Series Nuclei, 81Zr and 85Mo

RADIOACTIVITY 81Zr, 85Mo(β+p) [from 58Ni(32S, xnypza)]; measured Eγ, Iγ, proton spectra, pγ-coin, T1/2; deduced proton decay branching ratios. 81Zr, 85Mo deduced ground-state J, π, mass excesses. He-jet, tape transportation.

doi: 10.1103/PhysRevC.59.2402
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1999LU08      Chin.Phys.Lett. 16, 493 (1999)

X.-Q.Lu, C.-B.Fu, G.Liang, J.-Y.Guo, K.Zhao, S.-Y.Li, J.-C.Liu, H.Jiang, B.-F.Yang

High Resolution Elastic Recoil Detection Analysis with Q3D Magnetic Spectrometer

doi: 10.1088/0256-307X/16/7/009
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1999PA22      Chin.Phys.Lett. 16, 251 (1999)

Q.-Y.Pan, W.-F.Yang, S.-G.Yuan, Z.-W.Li, T.-T.Ma, J.-S.Guo, M.-Y.Liu, H.-Y.Liu, S.-W.Xu, Z.-G.Gan, D.-M.Kong, J.-M.Qiao, Z.-H.Luo, M.-T.Zhang, S.-H.Wang

Evidence for Heavy Ion Emission of 230U

RADIOACTIVITY 230U(22Ne) [from 230Pa(β-) following 232Th(p, 3n)]; measured cluster decay branching ratio. Solid-state track registration detectors. Tentative cluster mass assignment.

doi: 10.1088/0256-307X/16/4/007
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1999PA56      High Energy Phys. and Nucl.Phys. (China) 23, 1039 (1999)

Q.Pan, S.Yuan, W.Yang, Z.Li, T.Ma, J.Guo, M.Liu, H.Liu, S.Xu, Z.Gan, D.Kong, J.Qiao, Z.Luo, M.Zhang, S.Wang

Observation of Heavy Cluster Emission From Radioactive 230U Nuclei

1999XU06      High Energy Phys. and Nucl.Phys. (China) 23, 93 (1999)

Y.Xu, S.Yuan, W.Yang, J.He, Z.Li, T.Ma, B.Xiong, Z.Qin, W.Mou, Z.Gan, L.Shi, T.Guo, Z.Chen, J.Guo

A New Heavy Neutron-rich Isotope 238Th

1999YA13      J.Radioanal.Nucl.Chem. 240, 379 (1999)

W.Yang, J.Guo, W.Mou, K.Fang, Z.Gan, H.Li, L.Shi, S.Shen, S.Yuan, S.Wang, D.Kong, J.Qiao

Identification of a New Neutron-Deficient Isotope 235Am

RADIOACTIVITY 235Am(EC) [from 238Pu(p, 4n)]; measured Eγ, Iγ, X-ray spectra, (X-ray)γ-coin, T1/2. Chemical separation.

NUCLEAR REACTIONS 238Pu(p, 4n)E=35 MeV; measured delayed Eγ, Iγ, X-ray spectra, (X-ray)γ-coin; deduced evidence for 235Am. Chemical separation.

1998GA51      High Energy Phys. and Nucl.Phys. (China) 22, 673 (1998)

Z.Gan, J.Guo, L.Shi, H.Liu, Z.Qin, T.Guo, X.Lei, R.Ma, W.Huang, S.Yuan, X.Zhang, G.Jin

First observation of 131Pm decay

1998HE36      High Energy Phys. and Nucl.Phys. (China) 22, 1057 (1998)

J.He, S.Yuan, W.Yang, Z.Li, T.Ma, K.Fang, S.Shen, Z.Gan, Q.Pan, Z.Chen, T.Guo, W.Mou, D.Su, Y.Xu, J.Guo, H.Liu, L.Shi, Z.Zhao, H.Ma

A new isotope of hafnium: 186Hf

1998LU08      Eur.Phys.J. A 2, 149 (1998)

X.Lu, J.Guo, K.Zhao, Y.Cheng, Y.Ma, Z.Li, S.Li, M.Ruan

Study of 168Dy Mass by Heavy Ion Transfer Reactions

NUCLEAR REACTIONS 170Er(18O, 20Ne), E=104 MeV; measured particle spectra; deduced reaction Q-value. 168Dy deduced mass excess.

ATOMIC MASSES 170Er(18O, 20Ne), E=104 MeV; measured particle spectra; deduced reaction Q-value. 168Dy deduced mass excess.

doi: 10.1007/s100500050103
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1998YU02      Phys.Rev. C57, 1506 (1998)

S.Yuan, W.Yang, Z.Li, J.He, T.Ma, K.Fang, S.Shen, Z.Gan, Q.Pan, Z.Chen, T.Guo, W.Mou, D.Su, Y.Xu, J.Guo, H.Liu, L.Shi, Z.Zhao, H.Ma

Production and Identification of a New Heavy Neutron-Rich Isotope 186Hf

NUCLEAR REACTIONS W(18O, X), E=60 MeV/nucleon; measured Eγ, Iγ(t); deduced evidence for 186Hf. Transfer reaction, chemical separation of source.

RADIOACTIVITY 186Hf(β-) [from W(18O, X)]; measured Eγ, Iγ(t), T1/2.

doi: 10.1103/PhysRevC.57.1506
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1997GU32      Chin.J.Nucl.Phys. 19, 180 (1997)

J.Guo, K.Zhao, X.Lu, Y.Cheng, T.Li, C.Fu, S.Li

Mass Measurement of 122Cd and the New Levels of 120, 122Cd

NUCLEAR REACTIONS 122,124Sn(18O, 20Ne), E=102 MeV; measured particle spectra. 122Cd deduced mass excess. 120,122Cd deduced levels.

1997JI07      Nucl.Instrum.Methods Phys.Res. B123, 405 (1997)

S.Jiang, J.Guo, S.Jiang, C.Li, A.Cui, M.He, S.Wu, S.Li

Determination of the Half-Life of 79Se with the Accelerator Mass Spectrometry Technique

RADIOACTIVITY 79Se(β-); measured T1/2. Accelerator mass spectrometry.

doi: 10.1016/S0168-583X(96)00747-1
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1997LI44      J.Radioanal.Nucl.Chem. 220, 69 (1997)

C.Li, J.Guo, D.Li

A Procedure for the Separation of 79Se from Fission Products and Application to the Determination of the 79Se Half-Life

RADIOACTIVITY 79Se(β-); measured T1/2. Chemical separation from fission products.

1997SH21      Chin.Phys.Lett. 14, 270 (1997)

L.-J.Shi, J.-S.Guo, H.-Y.Liu, Z.-G.Gan, W.-F.Yang, W.-T.Mou, T.-R.Guo, S.-F.Shen, K.-M.Fang, S.-G.Yuan, Z.Qin, X.-Q.Zhang, R.-C.Ma, J.-Q.Zhong, S.-H.Wang, D.-M.Kong, J.-M.Qiao

Production and Assignment of a New Transuranium Neutron-Deficient Isotope 235Am

RADIOACTIVITY 235Am [from 238Pu(p, 4n), E=35 MeV]; measured X-ray, γ-ray spectra, (X-ray)γ-coin, T1/2.

NUCLEAR REACTIONS 238Pu(p, 4n), E=35 MeV; measured X-ray, γ-ray spectra, (X-ray)γ-coin; deduced evidence for 235Am.

1997WE04      Int.J.Mod.Phys. E6, 177 (1997)

S.Wen, H.Zheng, L.K.Zhang, S.G.Li, P.K.Weng, P.F.Hua, G.J.Yuan, P.S.Yu, F.X.Jing, C.X.Yang, W.D.Luo, Y.S.Chen, X.F.Sun, J.X.Guo, X.G.Lei

Quasiparticle Driving Effect on Shape of 87Nb Soft Nucleus

NUCLEAR REACTIONS 58Ni(32S, 3p), E=95-105 MeV; 58Ni(35Cl, 2pα), E=124 MeV; γγ-coin, Iγ(θ), DCO ratios. 87Nb deduced high-spin levels, J, π, band structure.

doi: 10.1142/S0218301397000123
Citations: PlumX Metrics

1997YA18      High Energy Phys. and Nucl.Phys. (China) 21, 958 (1997)

W.Yang, S.Yuan, Z.Li, J.He, T.Ma, K.Fang, S.Shen, Z.Gan, Q.Pan, W.Mou, D.Su, Z.Chen, T.Guo, J.Guo, H.Liu, L.Shi, Z.Zhao, H.Ma

A new neutron-rich isotope: 186Hf

1997ZH02      Z.Phys. A357, 75 (1997)

K.Zhao, J.Guo, X.Lu, Y.Cheng, X.Huang, Y.Ma, S.Li, M.Ruan, Z.Li, C.Jiang

Measurement of the 158Sm Mass Excess by the (18O, 20Ne) Reaction

NUCLEAR REACTIONS 160Gd(18O, 20Ne), E=98.95 MeV; measured ejectile spectra; deduced Q. 158Sm deduced mass excess.

doi: 10.1007/s002180050216
Citations: PlumX Metrics

1996GU11      Z.Phys. A355, 111 (1996)

J.Guo, Z.Gan, H.Liu, W.Yang, L.Shi, W.Mu, T.Guo, K.Fang, S.Shen, S.Yuan, X.Zhang, Z.Qin, R.Ma, J.Zhong, S.Wang, D.Kong, J.Qiao

A New Neutron-Deficient Isotope, 235Am

NUCLEAR REACTIONS 238Pu(p, 4n), E=35 MeV; measured X-ray, γ-ray spectra, (X-ray)γ-coin; deduced evidence for 235Am.

RADIOACTIVITY 235Am(β+) [from 238Pu(p, 4n), E=35 MeV]; 235Pu(EC) [from 235Am(β--decay)]; measured X-ray, γ-ray spectra, (X-ray)γ-coin; deduced T1/2. Helium-jet system for product transportation.

doi: 10.1007/s002180050086
Citations: PlumX Metrics

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Note: The following list of authors and aliases matches the search parameter J.Guo: , J.P.GUO, J.R.GUO, J.S.GUO, J.W.GUO, J.X.GUO, J.Y.GUO