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NSR database version of April 11, 2024.

Search: Author = F.Q.Chen

Found 22 matches.

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2023LU16      Phys.Rev.Lett. 131, 202502 (2023)

Z.-W.Lu, L.Guo, Z.-Z.Li, M.Ababekri, F.-Q.Chen, C.Fu, C.Lv, R.Xu, X.Kong, Y.-F.Niu, J.-X.Li

Manipulation of Giant Multipole Resonances via Vortex γ Photons

doi: 10.1103/PhysRevLett.131.202502
Citations: PlumX Metrics


2022LV08      Phys.Rev.Lett. 129, 042502 (2022)

C.-J.Lv, F.-Q.Chen, Y.Sun, M.Guidry

ΔI=2 Bifurcation as a Characteristic Feature of Scissors Rotational Bands

NUCLEAR STRUCTURE 156Gd; calculated energy levels, B(E2), B(M1), staggering features for the scissors-mode rotational band, moments of inertia. Microscopic many-body. Comparison with available data.

doi: 10.1103/PhysRevLett.129.042502
Citations: PlumX Metrics


2021CH25      Phys.Rev. C 103, 064319 (2021)

F.-Q.Chen, C.M.Petrache

Microscopic investigation on the existence of transverse wobbling under the effect of rotational alignment: The 136Nd case

NUCLEAR STRUCTURE 136Nd; calculated energies of the even- and odd-spin 2-qp yrast bands, B(E2)(out of band)/B(E2)(in band) and B(M1)(out of band)/B(E2)(in band) ratios, probability distribution contours for the tilted angles (θ, φ) of the angular momentum vector with respect to the three principle axes of the intrinsic frame for even- and odd-spin yrast bands, wobbling energies as functions of spin with and without configuration mixing within the πh11/2 subshell. Triaxial projected shell model with a focus on possible interpretation as transverse wobbling excitation. Comparison with experimental data.

doi: 10.1103/PhysRevC.103.064319
Citations: PlumX Metrics


2020WA03      Phys.Lett. B 802, 135246 (2020)

Y.K.Wang, F.Q.Chen, P.W.Zhao

Two quasiparticle wobbling in the even-even nucleus 130Ba

NUCLEAR STRUCTURE 130Ba; calculated energy spectra, transition probability ratios B(M1)/B(E2), K and azimuthal plots.

doi: 10.1016/j.physletb.2020.135246
Citations: PlumX Metrics


2019WA17      Phys.Rev. C 99, 054303 (2019)

Y.K.Wang, F.Q.Chen, P.W.Zhao, S.Q.Zhang, J.Meng

Multichiral facets in symmetry restored states: Five chiral doublet candidates in the even-even nucleus 136Nd

NUCLEAR STRUCTURE 136Nd; calculated levels, J, π, B(M1)/B(E2) ratios, compositions of configurations for bands, K distributions for angular momenta, and probability distribution contours (azimuthal plots) of orientation of the angular momentum for five chiral doublets bands using triaxial projected shell model (PSM). Comparison with experimental data.

doi: 10.1103/PhysRevC.99.054303
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2019WA35      J.Phys.(London) G46, 105102 (2019)

L.-J.Wang, J.Dong, F.-Q.Chen, Y.Sun

Projected shell model analysis of structural evolution and chaoticity in fast-rotating nuclei

NUCLEAR STRUCTURE 164Yb; calculated d energies and moment of inertia of the yrast band, B(E2), branching number; deduced rotationally-induced evolution from order to chaos infinite quantum many-body systems-nuclei.

doi: 10.1088/1361-6471/ab33be
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2018CH51      Phys.Lett. B 785, 211 (2018)

F.Q.Chen, J.Meng, S.Q.Zhang

Chiral geometry and rotational structure for 130Cs in the projected shell model

NUCLEAR STRUCTURE 130Cs; calculated rotational bands, B(E2), B(M1), distributions for the angular momentum using the projected shell model with configuration mixing for nuclear chirality. Comparison with experimental data.

doi: 10.1016/j.physletb.2018.08.039
Citations: PlumX Metrics


2017CH11      Phys.Rev. C 95, 024307 (2017)

F.-Q.Chen, J.L.Egido

Triaxial shape fluctuations and quasiparticle excitations in heavy nuclei

NUCLEAR STRUCTURE 156,158,160,162,164,166,168,170,172Er; calculated Particle number and angular momentum projected potential energy surfaces (PES) in (β, γ) plane for 0+ and second 2+ states, levels in the yrast, second 0+, and γ bands, vacua probability amplitude and total probability amplitude distribution contour plots in (β, γ) plane for the first and second 0+ states and the 2+ states of gamma band, K distribution of the yrast, β, and γ bands, B(E2) for the yrast, second 0+, and γ bands. Generator coordinate method including particle number and angular momentum symmetry conserving fluctuations in (β, γ) plane and their symmetry conserving two-quasiparticle excitations. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.024307
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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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2016CH13      Phys.Rev. C 93, 044310 (2016)

Q.M.Chen, X.G.Wu, Y.S.Chen, C.B.Li, Z.C.Gao, G.S.Li, F.Q.Chen, C.Y.He, Y.Zheng, S.P.Hu, J.Zhong, Y.H.Wu, H.W.Li, P.W.Luo

Lifetime measurements in 180Pt

NUCLEAR REACTIONS 156Gd(28Si, 4n), E=144 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by recoil-distance Doppler shift method using a plunger and differential decay curve analysis at HI-13 tandem accelerator of CIAE-Beijing. 180Pt; deduced levels, J, π, B(E2), transition quadrupole moments for levels in the yrast band. Systematics of B(E2), E(4+)/E(2+) ratios, yrast and γ bands in 176,178,180,182,184,186Pt. Comparison with triaxial projected shell model (TPSM) calculations.

doi: 10.1103/PhysRevC.93.044310
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Data from this article have been entered in the XUNDL database. For more information, click here.


2016CH24      Phys.Rev. C 93, 064313 (2016)

F.-Q.Chen, J.L.Egido

Shape vibration and quasiparticle excitations in the lowest 0+ excited state in erbium isotopes

NUCLEAR STRUCTURE 156,158,160,162,164,166,168,170,172Er; calculated levels, J, π, energies and B(E2) of yrast bands, and bands built on excited 0+ state, E(first 4+)/E(first 2+) ratios, E0 transition probabilities, two-quasiparticle configurations, absolute squares of the collective wave functions for the ground states and the excited 0+ states. Generator coordinate method (GCM). Comparison with experimental data.

doi: 10.1103/PhysRevC.93.064313
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2015WA13      Acta Phys.Pol. B46, 497 (2015)

L.-J.Wang, F.-Q.Chen, Y.Sun, T.Mizusaki, M.Oi

Application of the Pfaffian Algorithm in the Nuclear Structure Study at High Spins

NUCLEAR STRUCTURE 166Hf; calculated yrast band at high spin; deduced anomalies. Projected shell model, the Pfaffian algorithm.

doi: 10.5506/APhysPolB.46.497
Citations: PlumX Metrics


2014CU01      Phys.Rev. C 90, 014321 (2014)

J.-W.Cui, X.-R.Zhou, F.-Q.Chen, Y.Sun, C.-L.Wu, Z.-C.Gao

Description of collective and quasiparticle excitations in deformed actinide nuclei: The first application of the multishell shell model for heavy nuclei

NUCLEAR STRUCTURE 230,232Th, 232,234,236U, 240Pu; calculated levels, J, π, ground-, β-, γ-, and K=0 to K=7 bands, 2-quasiparticle configurations, B(E2), staggering parameter. Heavy shell model (HSM), an extension of projected shell model (PSM). Comparison with experimental data.

doi: 10.1103/PhysRevC.90.014321
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2014LI45      Phys.Rev. C 90, 047302 (2014)

C.B.Li, F.Q.Chen, X.G.Wu, C.Y.He, Y.Zheng, G.S.Li, Q.M.Chen, Z.C.Gao, Q.L.Xia, W.P.Zhou, S.P.Hu, H.W.Li, J.L.Wang, J.J.Liu, Y.H.Wu, P.W.Luo

Lifetime measurement of the first 2+ state in 178Pt

NUCLEAR REACTIONS 154Gd(28Si, 4n), E=146 MeV; measured Eγ, γγ-coin, γγγ(t), half-life of the first 2+ state by fast-timing technique using Ge-LaBr3-LaBr3 detectors. 178Pt; deduced levels, B(E2). Potential energy surface (PES) calculations. Systematics of B(E2) for first 2+ states in 176,178,180,182,184Pt isotopes and comparison with calculations using generator coordinate method.

doi: 10.1103/PhysRevC.90.047302
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Data from this article have been entered in the XUNDL database. For more information, click here.


2014WA29      Phys.Rev. C 90, 011303 (2014)

L.-J.Wang, F.-Q.Chen, T.Mizusaki, M.Oi, Y.Sun

Toward extremes of angular momentum: Application of the Pfaffian algorithm in realistic calculations

NUCLEAR STRUCTURE 166Hf; calculated back-bending plot, and level-energy versus spin plot for high-spin band structure. 176Hf; calculated levels, J, π for yrast, 2-qp, 4-qp and 6-qp bands with quantum number K=6, 8, 14, 15, 19, 20, 22, B(E2) values using Pfaffian algorithm to calculate matrix elements for Hartree-Fock-Bogoliubov states for high-spin and multi-qp states. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.011303
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2013CH02      J.Phys.(London) G40, 015101 (2013)

F.-Q.Chen, Y.Sun, P.M.Walker, G.D.Dracoulis, Y.R.Shimizu, J.A.Sheikh

Mixing effects on K-forbidden transition rates from the 6+ isomers in the N = 104 isotones

RADIOACTIVITY 172Er, 174Yb, 176Hf, 178W(IT); calculated B(E2) values for transitions from 6+ isomers, deformation parameters, transition rates, level energies, J, π, matrix elements. PSM calculations, comparison with experimental data.

doi: 10.1088/0954-3899/40/1/015101
Citations: PlumX Metrics


2013CH33      Phys.Rev. C 88, 014315 (2013)

F.-Q.Chen, Y.Sun, P.Ring

Quantum fluctuations in the collective 0+ states of deformed nuclei

NUCLEAR STRUCTURE 154,156,158,160,162Gd, 156,158,160,162,164Dy, 158,160,162,164,166Er; calculated energies of 2+, 4+ and 6+ members of ground bands, first excited 0+, probability functions of deformation for ground and first excited 0+ states, E0-matrix elements for 0+ to 0+ and 2+ to 2+ transitions. Extension of the original projected shell model (PSM). Comparison with experimental data.

doi: 10.1103/PhysRevC.88.014315
Citations: PlumX Metrics


2012CH10      Phys.Rev. C 85, 024324 (2012)

F.-Q.Chen, Y.-X.Liu, Y.Sun, P.M.Walker, G.D.Dracoulis

Residual interactions and the K-mixing-induced fast decay of the three-quasiparticle isomer in 171Tm

NUCLEAR STRUCTURE 171Tm; calculated levels, J, π, B(E2), B(M1), rotational bands, K-mixing matrix elements for the decay of Kπ=19/2+ 3-qp isomer, configurations. Projected shell model with two-body octupole and hexadecapole forces and 3-qp configurations. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.024324
Citations: PlumX Metrics


2012CU01      Chin.Phys.Lett. 29, 022101 (2012)

J.-W.Cui, X.-R.Zhou, F.-Q.Chen, Y.Sun, C.-L.Wu

Analyses of β-Bands of 230, 232Th and 232, 234U by the Projected Shell Model

NUCLEAR STRUCTURE 230,232Th, 232,234U; calculated ground and β-bands, deformation parameters, energy schemes. Projected shell model, comparison with experimental data.

doi: 10.1088/0256-307X/29/2/022101
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2011SH38      Phys.Rev. C 84, 054314 (2011)

J.A.Sheikh, G.H.Bhat, Y.-X.Liu, F.-Q.Chen, Y.Sun

Mixing of quasiparticle excitations and γ vibrations in transitional nuclei

NUCLEAR STRUCTURE 166,168,170,172Er; calculated levels, J, π, bands, B(E2) values. Quasiparticle excitations with γ vibration in transitional nuclei. Multiquasiparticle triaxial projected shell model approach. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.054314
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2009CH71      Chin.Phys.C 33, Supplement 1, 24 (2009)

F.-Q.Chen, Y.Sun, X.-R.Zhou

Level statistics for the even-even Yb isotopes

NUCLEAR STRUCTURE 160,162,164,166,168,172Yb; calculated level statistics; deduced discrepancies with the nearest-neighbor spacing distribution.

doi: 10.1088/1674-1137/33/S1/008
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2009WE07      Chin.Phys.C 33, Supplement 1, 116 (2009)

N.Wei, X.-R.Zhou, F.-Q.Chen

Properties of Zr hypernuclei in deformed Skyrme Hartree-Fock approach

NUCLEAR STRUCTURE 80,100,122,138,139,142,188Zr; calculated two-neutron separation energy, neutron radii, hyperon separation energy. Deformed self-consistent Skyrme-Hartee-Fock approach.

doi: 10.1088/1674-1137/33/S1/037
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