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NSR database version of April 11, 2024.

Search: Author = Y.A.Luo

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2023XU03      Phys.Rev. C 107, 044317 (2023)

H.-T.Xue, Y.-F.Chen, Q.B.Chen, Y.A.Luo, H.-J.Schulze, X.-R.Zhou

Deformation and spin-orbit splitting of Λ hypernuclei in the Skyrme-Hartree-Fock approach

NUCLEAR STRUCTURE 12,13C, 16O, 28Si, 32S, 40Ca, 51V, 89Y, 139La, 208Pb; calculated Λ separation energy for hypernuclei, two-dimensional density distributions of Λ orbits, potential energy surfaces, quadrupole deformations of core nucleus and Λ orbitals, Λ spin-orbit slitting. Deformed Skyrme-Hartree-Fock (DSHF) approach with SLy4 NN and SLL4 ΛN interactions. Discussed spin symmetry in the hyperon spectrum. Comparison to available experimental data.

doi: 10.1103/PhysRevC.107.044317
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2022HE08      Phys.Rev. C 105, 044332 (2022)

B.C.He, S.Y.Zhang, L.Li, Y.A.Luo, Y.Zhang, F.Pan, J.P.Draayer

Even-even Nd isotopes in an SD-pair shell model

NUCLEAR STRUCTURE 144,146,148,150,152,154,156Nd; calculated levels, J, π, B(E2). Nucleon pair shell model truncated to SD collective pair subspace (SDPSM). Comparison to experimental data.

doi: 10.1103/PhysRevC.105.044332
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2022HO14      Nucl.Phys. A1028, 122523 (2022)

A.Hosseinnezhad, A.Jalili Majarshin, Y.A.Luo, D.Ahmadian, H.Sabri

Deformation in 92-128Pd isotopes

NUCLEAR STRUCTURE 92,94,96,98,100,102,104,106,108,110,112,114,116,118,120,122,124,126,128Pd; calculated electric quadruple shape constant in the ground, beta and gamma bands, B(E2), transitions T1/2, effective electric quadruple deformation values using the IBM-1. Comparison with available dat.

doi: 10.1016/j.nuclphysa.2022.122523
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2022LI12      Int.J.Mod.Phys. E31, 2250014 (2022)

Z.W.Li, B.C.He, L.Li, Y.A.Luo, L.N.Bao, F.Pan, J.P.Draayer

Nucleon-pair shell model: Effect of non-collective pairs for odd 123-129Sn

NUCLEAR STRUCTURE 123,124,125,126,127,128,129Sn; calculated energy levels, J, π, relative angular momenta, B(E2) within the framework of nucleon-pair shell model (NPSM).

doi: 10.1142/S0218301322500148
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2022WU15      Chin.Phys.C 46, 104101 (2022)

Y.-Q.Wu, W.Teng, X.-J.Hou, G.-X.Na, Y.Zhang, B.-C.He, Y.-A.Luo

Spectral fluctuations in the interacting boson model

doi: 10.1088/1674-1137/ac76a5
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2022XU02      Phys.Rev. C 105, 014304 (2022)

H.T.Xue, X.R.Zhou, S.Y.Zhang, B.C.He, Y.A.Luo, L.Li, F.Pan, J.P.Draayer

Neutrinoless double-β decay in the nucleon-pair shell model

RADIOACTIVITY 130Te, 134,136Xe(2β-); calculated nuclear matrix elements (NMEs) of g.s. to g.s. neutrinoless double-β decay (0νββ) in the nucleon pair shell-model framework, with surface-δ approximation (SDI) and the BCS approximation. Comparison with shell model (SM), quasiparticle random-phase approximation (QRPA), and IBM2 theoretical calculations.

NUCLEAR STRUCTURE 130,134,136Xe, 130Te, 134,136Ba; calculated low-lying positive-parity levels p to 10+ using shell model in the surface-δ approximation (SD)-pair or the SDG-pair subspace. Comparison with experimental data taken from the ENSDF database at NNDC, BNL.

doi: 10.1103/PhysRevC.105.014304
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2021DO07      J.Phys.(London) G48, 045103 (2021)

W.-T.Dong, Y.Zhang, B.-C.He, F.Pan, Y.-A.Luo, J.P.Draayer, S.Karampagia

Statistical analysis of the excited-state quantum phase transitions in the interacting boson model

doi: 10.1088/1361-6471/abdd8c
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2021JA06      Phys.Rev. C 103, 024317 (2021)

A.Jalili Majarshin, Y.-A.Luo, F.Pan, H.T.Fortune, J.P.Draayer

Nuclear structure and band mixing in 194Pt

NUCLEAR STRUCTURE 194Pt; calculated levels, J, π, B(E2), potential-energy surface in (β, γ) plane, E2 strengths and transition matrix elements; deduced that slightly more collective of the lower basis-state band than that of the excited-state band. Transitional Hamiltonian of the interacting boson model with two-particle and two-hole configuration mixing, with the addition of configuration mixing Hamiltonian in pairing model.

doi: 10.1103/PhysRevC.103.024317
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2021JA07      Chin.Phys.C 45, 024103 (2021)

A.Jalili Majarshin, Y.-A.Luo, F.Pan, J.P.Draayer

Band mixing in 96, 98Mo isotopes

NUCLEAR STRUCTURE 96,98Mo; calculated energy spectra, J, π, B(E2), mixing amplitudes and mixing potentials. Coexistence mixing configuration (CMC).

doi: 10.1088/1674-1137/abcc59
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2021MA44      Phys.Rev. C 104, 014321 (2021)

A.J.Majarshin, Y.-A.Luo, F.Pan, H.T.Fortune

Structure of rotational bands in 109Rh

NUCLEAR STRUCTURE 109Rh; calculated levels, J, π, rotational bands, B(E2), B(M1) using interacting boson-fermion model (IBFM), with extended transitional Hamiltonian by adding a two-configuration mixing term; deduced triaxiality and shape coexistence for 109Rh. Comparison with experimental data.

doi: 10.1103/PhysRevC.104.014321
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2021MA53      Phys.Rev. C 104, 024332 (2021)

A.J.Majarshin, Y.-A.Luo, F.Pan, H.Sabri, M.Rezaei, J.P.Draayer

Properties of giant dipole resonances within an extended pairing model with a focus on spectral statistics

NUCLEAR STRUCTURE 32S, 40Ca, 52Cr, 56Fe, 58,60Ni, 70,72,74,76Ge, 76Se, 86Kr, 88Sr, 90Zr, 116,124Sn; analyzed experimental spectral and statistical features of negative- and positive-parity dipole states using random matrix theory (RMT) and Berry-Robnik distribution (BRD) methodologies; calculated Poisson distributions and integrands for Giant-dipole resonances for the nearest-neighbor spacing distribution (NNSD). Calculations based on spd-interacting boson model (IBA), with the pairing correlations from solutions of the Bethe ansatz equation.

doi: 10.1103/PhysRevC.104.024332
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2021MA84      J.Phys.(London) G48, 125107 (2021)

A.J.Majarshin, Y.-A.Luo, F.Pan, H.T.Fortune, Y.Zhang, J.P.Draayer

Quantum phase transitions and band mixing in 135Ba

NUCLEAR STRUCTURE 134,135Ba; calculated variation of some excitation energy levels, energy differences and ratios in odd systems, B(E2), energy spectra. Comparison with available data.

doi: 10.1088/1361-6471/ac2fb1
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2020HE01      Phys.Rev. C 101, 014324 (2020)

B.C.He, H.T.Xue, L.Li, Y.A.Luo, Y.Zhang, F.Pan, J.P.Draayer

Noncollective nucleon pairs in even-even 124-128Sn

NUCLEAR STRUCTURE 124,126,128Sn; calculated positive-parity yrast levels up to 20+, Eγ versus spin, level energy versus spin, and E-GOS versus spin distributions, B(E2) ratios, number of noncollective pairs as function of spin. Collective S- and D-pair shell model (SDPSM) calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.101.014324
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2020HE20      Phys.Rev. C 102, 024304 (2020)

B.C.He, L.Li, Y.A.Luo, Y.Zhang, F.Pan, J.P.Draayer

Nucleon pair shell model in M scheme

NUCLEAR STRUCTURE 150Nd; calculated levels, J, π, B(E2) using nucleon pair shell model (NPSM) cast into M scheme for the cases with isospin symmetry and without isospin symmetry, with the odd system and even system treated on the same footing. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.024304
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2020HE29      Int.J.Mod.Phys. E29, 2050088 (2020)

B.C.He, Y.Zhang, L.Li, Y.A.Luo, F.Pan, J.P.Draayer

SD-pair shell model: Vibrational and rotational limits in the interacting boson-fermion model for like-nucleon system

doi: 10.1142/S0218301320500883
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2019CH26      Nucl.Phys. A987, 90 (2019)

Y.X.Chen, H.Jiang, W.T.Dong, Y.Zhang, F.Pan, Y.A.Luo

A triaxial critical point symmetry for odd-A nuclei

NUCLEAR STRUCTURE 135Ba; calculated low-lying levels, J, π for γ=150 and 300 (normalized to E(5/21)) and to E(2+1) in another calculation, B(E2) transitions using T(4) and T(4/2j+1) within newly developed Critical Point Symmetry (CPS) for odd-even systems through coupling the T(4) CPS to a single particle within spherical j-orbit; deduced large deformation (γ deformation) in the case of j=3/2 giving alternative explanation of the level structure built on single-particle orbit 2d3/2.

doi: 10.1016/j.nuclphysa.2019.04.007
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2019HE14      Eur.Phys.J. A 55, 143 (2019)

B.-C.He, S.-Y.Zhang, Y.Zhang, Y.-A.Luo, F.Pan, J.P.Draayer

Understanding nuclear dynamics in the SD-pair shell model: From pre-vibration to collective rotation

doi: 10.1140/epja/i2019-12835-x
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2017CH48      Phys.Rev. C 96, 051303 (2017)

F.Q.Chen, Q.B.Chen, Y.A.Luo, J.Meng, S.Q.Zhang

Chiral geometry in symmetry-restored states: Chiral doublet bands in 128Cs

NUCLEAR STRUCTURE 128Cs; calculated levels, J, π, B(E2), B(M1), K distributions for the angular momentum on the short, intermediate, and long axes, azimuthal plots for orientation of angular momentum on the (θ, φ) plane, chiral doublet bands. Angular momentum projection (AMP) approach. Comparison with experimental data.

doi: 10.1103/PhysRevC.96.051303
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2017ZH35      Phys.Rev. C 96, 034323 (2017)

Y.Zhang, F.Pan, Y.-X.Liu, Y.-A.Luo, J.P.Draayer

γ-rigid solution of the Bohr Hamiltonian for the critical point description of the spherical to γ-rigidly deformed shape phase transition

NUCLEAR STRUCTURE 158Er; calculated positive-parity levels, J, ground, β and γ bands, B(E2) and level-energy ratios using T(4) model involving γ-rigid solution of the Bohr Hamiltonian with the β-soft potential. Comparison with theoretical calculations using the IBM, and with experimental data. New T(4) model as a link between the E(5) and the X(5) critical-point symmetries (CPS).

doi: 10.1103/PhysRevC.96.034323
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2016WA14      Nucl.Phys. A950, 1 (2016)

Y.Wang, F.Pan, K.D.Launey, Y.-A.Luo, J.P.Draayer

Angular momentum projection for a Nilsson mean-field plus pairing model

NUCLEAR STRUCTURE 18O, 18,20Ne, 24Mg; calculated low-spin levels, J, π, B(E2), electric quadrupole moment using angular momentum projection for axially deformed Nilsson mean-field plus MSP (Modified Standard Pairing) or NLP (nearest-level pairing). Compared to available data.

doi: 10.1016/j.nuclphysa.2016.03.012
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2014ZH45      Phys.Rev. C 90, 064318 (2014)

Y.Zhang, F.Pan, Y.-X.Liu, Y.-A.Luo, J.P.Draayer

Emergent dynamical symmetry at the triple point of nuclear deformations

NUCLEAR STRUCTURE 64Zn, 108Pd, 114Cd, 134Ba; calculated levels, J, π, B(E2) ratios, E(first 4+)/E(first 2+), E(second 2+)/E(first 4+), E(excited 0+)/E(first 2+). Boson realization of 5-dimensional Euclidean dynamical symmetry in the IBM framework. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.064318
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2013ZH28      Phys.Rev. C 88, 014304 (2013)

Y.Zhang, F.Pan, Y.-X.Liu, Y.-A.Luo, J.P.Draayer

Shape phase transition and phase coexistence in odd Sm nuclei

NUCLEAR STRUCTURE 146,147,148,149,150,151,152,153,154,155,156,157Sm; calculated energies of ground-state band members using several collective rotor and vibrator models; deduced shape phase transition in odd-A Sm nuclei from experimental S(2n) values and experimental energies of ground-band members in even and odd-A Sm nuclei. 150,152Sm; analyzed ground-state and β band members. 151,153Sm; analyzed four collective bands in each nucleus; deduced phase coexistence of rotational and vibrational excitations in 151Sm.

doi: 10.1103/PhysRevC.88.014304
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2012ZH23      Phys.Rev. C 85, 064312 (2012)

Y.Zhang, F.Pan, Y.-X.Liu, Y.-A.Luo, J.P.Draayer

Analytically solvable prolate-oblate shape phase transitional description within the SU(3) limit of the interacting boson model

NUCLEAR STRUCTURE 180Hf, 182,184,186W, 188,190Os, 192,194,196,198Pt; calculated prolate and oblate levels, J of low-lying positive-parity states, quadrupole moment, quadrupole deformation parameter β2, contour diagrams of the ground state energies. Prolate-oblate shape phase transitional description for the SU(3) limit of the interacting boson model. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.064312
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2012ZH42      Phys.Rev. C 86, 044312 (2012)

Y.Zhang, F.Pan, Y.-A.Luo, Y.-X.Liu, J.P.Draayer

Critical-point symmetries in intermediately deformed odd-A nuclei

NUCLEAR STRUCTURE 150Sm, 151Eu, 172Os, 173Ir; calculated levels, J, π, B(E2) for ground-state bands using DX(3) critical point symmetries (CPS) and the particle-plus-rotor model (PRM).

doi: 10.1103/PhysRevC.86.044312
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2011WA33      Int.J.Mod.Phys. E20, 2229 (2011)

Y.Wang, L.Li, Y.A.Luo, Y.Zhang, F.Pan, J.P.Draayer

γ-unstable spectrum in the SD-pair shell model for identical nucleon system

doi: 10.1142/S0218301311020290
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2009LI01      J.Phys.(London) G36, 015102 (2009)

C.-T.Liang, Y.-A.Luo, X.-H.Li, C.-H.Cai

Systematic analysis of the reaction cross section for d, 3He and 4He as projectiles

NUCLEAR REACTIONS 9Be, 12C, 16O, 28Si, 40,48Ca, 58,60Ni, 112,116,120,124Sn, 208Pb(d, X), (3He, X), (α, X), E < 100 MeV/nucleon; calculated total reaction cross sections.

doi: 10.1088/0954-3899/36/1/015102
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2008LU18      Int.J.Mod.Phys. E17, Supplement 1, 245 (2008)

Y.-A.Luo, F.Pan, J.P.Draayer, P.-Z.Ning

SD-pair shell model for even-even systems

NUCLEAR STRUCTURE 126,128,130,132,134Xe; calculated low-lying level energies, J, π.

doi: 10.1142/S0218301308011896
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2008WA12      Chin.Phys.Lett. 25, 2432 (2008)

F.-R.Wang, L.Liu, Y.-A.Luo, F.Pan, J.P.Draayer

U(5)- O(6) Phase Transition in the SD-Pair Shell Model

doi: 10.1088/0256-307X/25/7/028
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2006BA07      Int.J.Mod.Phys. E15, 101 (2006)

C.Bahri, Y.-A.Luo, J.P.Draayer

On the survival of the SD-pair shell model under pseudo-spin transformation

doi: 10.1142/S0218301306003928
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2006LU18      Int.J.Mod.Phys. E15, 1751 (2006)

Y.A.Luo, F.Pan, J.P.Draayer, P.Z.Ning

Projected SD-pair shell model

NUCLEAR STRUCTURE 132Ba; calculated levels, J, π. Projected SD-pair shell model, comparison with data.

doi: 10.1142/S0218301306005356
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2005LU05      Phys.Rev. C 71, 044304 (2005)

Y.-A.Luo, F.Pan, C.Bahri, J.P.Draayer

SD-pair shell model and the interacting boson model

doi: 10.1103/PhysRevC.71.044304
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2005LU09      Chin.Phys.Lett. 22, 1366 (2005)

Y.-A.Luo, F.Pan, P.-Z.Ning, J.P.Draayer

SD-Pair Shell Model for Identical Nuclear Systems

doi: 10.1088/0256-307X/22/6/019
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2005LU25      Int.J.Mod.Phys. E14, 1023 (2005)

Y.A.Luo, C.Bahri, F.Pan, V.G.Gueorguiev, J.P.Draayer

Intruder level and deformation in the SD-pair shell model

doi: 10.1142/S0218301305003764
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2005LU26      Int.J.Mod.Phys. E14, 1205 (2005)

Y.-A.Luo, F.Pan, P.-Z.Ning, J.P.Draayer

Intruder levels and vibrational modes in the SD-pair shell model

doi: 10.1142/S0218301305003806
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2003PA23      Phys.Rev. C 68, 014308 (2003)

F.Pan, L.-R.Dai, Y.-A.Luo, J.P.Draayer

Reconsideration of enhancement of sd dominance in interacting boson models

doi: 10.1103/PhysRevC.68.014308
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2002FE10      Phys.Rev. D66, 056011 (2002)

T.F.Feng, X.Q.Li, Y.A.Luo

Neutrinoless double beta decay in the supersymmetric seesaw model

RADIOACTIVITY 76Ge(2β-); calculated 0ν-accompanied 2β decay T1/2. Supersymmetric seesaw model.

doi: 10.1103/PhysRevD.66.056011
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2001LU03      Chin.Phys.Lett. 18, 501 (2001)

Y.-A.Luo, J.-Q.Chen, Y.-C.Gao, P.-Z.Ning, J.P.Draayer

Influence of the Unique-Parity States on the Collectivity of Low-Lying States

NUCLEAR STRUCTURE 134Ba; calculated levels, J, π, B(E2), B(M1); deduced role of unique-parity states in collectivity. Nucleon-pair shell model.

doi: 10.1016/S0009-2614(01)00862-4
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2001LU10      Phys.Rev. C64, 037303 (2001)

Y.-A.Luo, J.-Q.Chen, T.-F.Feng, P.-Z.Ning

Neutron-Proton Quadrupole Interaction in the Nuceon-Pair Shell Model

NUCLEAR STRUCTURE 134Ba; calculated levels, J, π, B(E2), B(M1); deduced role of neutron-proton quadrupole interaction. Nucleon-pair shell model.

doi: 10.1103/PhysRevC.64.037303
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2001LU12      Phys.Rev. C64, 047302 (2001)

Y.-A.Luo, X.-B.Zhang, F.Pan, P.-Z.Ning, J.P.Draayer

Magnetic Excitations in the Nucleon-Pair Shell Model

NUCLEAR STRUCTURE 134Ba; calculated transitions B(M1).

doi: 10.1103/PhysRevC.64.047302
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2001TA21      Chin.Phys.Lett. 18, 1030 (2001)

Y.-H.Tan, Y.-A.Luo, P.-Z.Ning, Z.-Y.Ma

Static Properties of Λ-Hypernuclei

NUCLEAR STRUCTURE 12C, 16O, 51V, 89Y, 139La, 208Pb; calculated hyperon single-particle energies. 12C, 16O, 40Ca, 208Pb; calculated hypernucleus binding energies, radii. Self-consistent relativistic mean-field model, comparisons with data.

doi: 10.1088/0256-307X/18/8/311
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2000LU04      Nucl.Phys. A669, 101 (2000)

Y.-A.Luo, J.-Q.Chen, J.P.Draayer

Nucleon-Pair Shell Model Calculations of the Even-Even Xe and Ba Nuclei

NUCLEAR STRUCTURE 128,130,132,134Xe, 130,132,134,136Ba; calculated levels, J, π, transitions B(M1), B(E2). Nucleon-pair shell model, comparison with data.

doi: 10.1016/S0375-9474(99)00818-0
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2000TA22      Chin.Phys.Lett. 17, 401 (2000)

Yu-H.Tan, Y.-A.Luo, P.-Z.Ning, C.-H.Cai

Shell Model Analysis of Ξ- Hypernuclei Spectra for Mass A = 12 and A = 16

NUCLEAR STRUCTURE 12Be, 16C; calculated hypernuclei binding and single particle energies, level, J, π. Effect of residual interaction investigated.

1998CH28      Nucl.Phys. A639, 615 (1998)

J.-Q.Chen, Y.-A.Luo

Nucleon-Pair Shell Model: The effects of the SD pair structure on collectivity of low-lying states

NUCLEAR STRUCTURE 133Sb, 131Sn; calculated single particle energies. 134Ba calculated levels, J, π, B(E2), B(E1). Nucleon-pair shell model.

doi: 10.1016/S0375-9474(98)00422-9
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1998LU07      Phys.Rev. C58, 589 (1998)

Y.-A.Luo, J.-Q.Chen

Shell Model Calculation in the S-D Subspace

NUCLEAR STRUCTURE 130,132,134,136Ba; calculated levels, J, π, B(E2); deduced collective states features. Nucleon-pair shell model.

doi: 10.1103/PhysRevC.58.589
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