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NSR database version of April 11, 2024.

Search: Author = X.B.Wang

Found 22 matches.

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2023DO05      Phys.Rev. C 107, 044613 (2023)

G.X.Dong, X.B.Wang, N.Michel, M.Ploszajczak

Gamow shell model description of the radiative capture reaction 8B(p, γ)9C

NUCLEAR STRUCTURE 8B, 9C; calculated levels J, π, excited states widths, electric quadrupole and magnetic moments of the ground state, one-body density of valence protons in the ground state, rms proton radius. Gamow shell model (GSM) and Gamow shell model in the coupled-channel representation (GSM-CC) assuming 4He as the inert core. Comparison to experimental data.

NUCLEAR REACTIONS 8B(p, γ), E(cm)<3 MeV; calculated E1, M1 and E2 astrophysical S-factor, total astrophysical S-factor, reaction rate (T=0.1-1 GK). Gamow shell model in the coupled-channel representation (GSM-CC). Comparison to experimental data and other theoretical calculations.

doi: 10.1103/PhysRevC.107.044613
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2023WA31      Phys.Rev. C 108, 034306 (2023)

X.B.Wang, Y.Chen, G.X.Dong, Y.Su, Z.Li, X.Z.Wu, Z.X.Li

Role of pairing correlations in the fission process

doi: 10.1103/PhysRevC.108.034306
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2022BA15      Phys.Lett. B 829, 137064 (2022)

S.W.Bai, A.Koszorus, B.S.Hu, X.F.Yang, J.Billowes, C.L.Binnersley, M.L.Bissell, K.Blaum, P.Campbell, B.Cheal, T.E.Cocolios, R.P.de Groote, C.S.Devlin, K.T.Flanagan, R.F.Garcia Ruiz, H.Heylen, J.D.Holt, A.Kanellakopoulos, J.Kramer, V.Lagaki, B.Maass, S.Malbrunot-Ettenauer, T.Miyagi, R.Neugart, G.Neyens, W.Nortershauser, L.V.Rodriguez, F.Sommer, A.R.Vernon, S.J.Wang, X.B.Wang, S.G.Wilkins, Z.Y.Xu, C.X.Yuan

Electromagnetic moments of scandium isotopes and N=28 isotones in the distinctive 0f7/2 orbit

NUCLEAR MOMENTS 41,43,45,46,47,49Sc; measured frequencies; deduced hfs constants, electromagnetic dipole and quadrupole moments. Comparison with theoretical calculations. Two collinear laser spectroscopy (CLS) setups, COLLAPS and CRIS at ISOLDE-CERN.

doi: 10.1016/j.physletb.2022.137064
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2022DO05      Phys.Rev. C 105, 064608 (2022)

G.X.Dong, X.B.Wang, N.Michel, M.Ploszajczak

Gamow shell model description of the radiative capture reaction 8Li(n, γ)9Li

NUCLEAR REACTIONS 8Li(n, γ), E(cm)<1 MeV; calculated σ(E), E1, E2 and M1 neutron capture σ(E), astrophysical reaction rate for T=0.7-5.0 GK. Gamow shell model in the coupled-channel representation (GSM-CC). Estimated the contributions to the calculated σ from transitions of different mutipolarities. Discussed the role of the obtained σ for the production of heavier elements in nucleosynthesis. Comparison to available experimental data and other theoretical calculations.

NUCLEAR STRUCTURE 9Li; calculated levels, J, π, neutron spectroscopic factors. 8,9Li; calculated electric-quadrupole and magnetic moments of the ground state. Gamow shell model in the coupled-channel representation (GSM-CC). Comparison to experimental data.

doi: 10.1103/PhysRevC.105.064608
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2022TO13      Phys.Lett. B 835, 137576 (2022)

W.Tornow, A.P.Tonchev, S.W.Finch, Krishichayan, X.B.Wang, A.C.Hayes, H.G.D.Yeomans, D.A.Newmark

Neutral-current neutrino cross section and expected supernova signals for 40Ar from a three-fold increase in the magnetic dipole strength

NUCLEAR REACTIONS 40Ar(γ, γ'), E=9.4-10.2 MeV; measured reaction products, Eγ, Iγ; calculated the neutral-current neutrino σ using shell model; deduced γ-ray energies, J, π, resonance parameters, B(M1), B(E1). The Nuclear Resonance Fluorescence (NRF) technique, the High-Intensity Gamma-Ray Source (HIγS) of the Triangle Universities Nuclear Laboratory (TUNL).

doi: 10.1016/j.physletb.2022.137576
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2020SH20      Chin.Phys.C 44, 094108 (2020)

H.Shi, X.-B.Wang, G.-X.Dong, H.Wang

Abnormal odd-even staggering behavior around 132Sn studied by density functional theory

NUCLEAR STRUCTURE 120,122,124,126,128,130,132,134,136,138,140Sn; calculated neutron pairing gap, abnormal odd-even staggering.

doi: 10.1088/1674-1137/44/9/094108
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2019WA07      Phys.Lett. B 790, 498 (2019)

X.B.Wang, G.X.Dong, Z.C.Gao, Y.S.Chen, C.W.Shen

Tetrahedral symmetry in the ground state of 16O

NUCLEAR STRUCTURE 16O; calculated mean-field energies, octupole and quadrupole moments, potential energy surfaces, ground state band using Skyrme functional HF.

doi: 10.1016/j.physletb.2019.02.001
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2019WA31      Chin.Phys.C 43, 124106 (2019)

X.-B.Wang, Y.-H.Meng, Y.Tu, G.-X.Dong

The structure of neutron-rich calcium isotopes studied by the shell model with realistic effective interactions

NUCLEAR STRUCTURE 41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58Ca; calculated binding energies, two-neutron separation energies, energy levels, J, π, yrast states, spectroscopic factors. CD-Bonn and Kuo-Brown (KB) interactions.

doi: 10.1088/1674-1137/43/12/124106
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2018HA01      Phys.Rev.Lett. 120, 022503 (2018)

A.C.Hayes, G.Jungman, E.A.McCutchan, A.A.Sonzogni, G.T.Garvey, X.B.Wang

Analysis of the Daya Bay Reactor Antineutrino Flux Changes with Fuel Burnup

NUCLEAR REACTIONS 235U, 239Pu(n, F), E thermal; analyzed available data; deduced origins of discrepancy between model predictions and the Daya Bay results for antineutrino flux and spectrum.

doi: 10.1103/PhysRevLett.120.022503
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2018LO06      Phys.Rev.Lett. 120, 122502 (2018)

D.Lonardoni, J.Carlson, S.Gandolfi, J.E.Lynn, K.E.Schmidt, A.Schwenk, X.B.Wang

Properties of Nuclei up to A=16 using Local Chiral Interactions

NUCLEAR STRUCTURE 6He, 6Li, 12C, 16O; calculated ground-state energies and charge radii, form factors. Continuum quantum Monte Carlo (QMC) method, comparison with available data.

doi: 10.1103/PhysRevLett.120.122502
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2018LO14      Phys.Rev. C 98, 014322 (2018)

D.Lonardoni, S.Gandolfi, X.B.Wang, J.Carlson

Single- and two-nucleon momentum distributions for local chiral interactions

NUCLEAR STRUCTURE 4He, 12C, 16O; calculated charge radii, proton and two-nucleon (pn and pp) momentum distributions using variational Monte Carlo (VMC) calculations with local chiral interactions at next-to-next-to leading order N2LO. Comparison with other theoretical predictions, and available experimental data.

doi: 10.1103/PhysRevC.98.014322
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2018XU07      Chin.Phys.C 42, 084103 (2018)

H.-J.Xu, J.Zhao, X.-B.Wang, H.-L.Li, Z.-W.Lin, C.-W.Shen, F.-Q.Wang

Varying the chiral magnetic effect relative to flow in a single nucleus-nucleus collision

NUCLEAR REACTIONS 197Au(197Au, X), Cu(Cu, X), Ru(Ru, X), Zr(Zr, X), Pb(Pb, X), E∼200 GeV/nucleon; calculated elliptic flow with with MC Glauber and Multi-Phase Transport (ampt) model simulations.

doi: 10.1088/1674-1137/42/8/084103
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2017WA20      Phys.Rev. C 95, 064313 (2017)

X.B.Wang, A.C.Hayes

Weak magnetism correction to allowed β decay for reactor antineutrino spectra

NUCLEAR STRUCTURE 86Se, 90Kr, 94Sr, 102Zr, 104Mo, 110Ru, 136Te, 140Xe, 144Ba, 148Ce, 150Nd; calculated occupation probabilities and equivalent spectra for the proton and neutron single-particle energies using Hartree-Fock-Bogoliubov, Lipkin-Nogami method (HFB-LN) calculations.

RADIOACTIVITY 85Se, 93Sr, 92Y, 99Zr, 102Nb, 103Mo, 104Tc, 106Rh(β-); A=14-103(β-); calculated fractional orbital correction for the weak magnetism for the allowed β transitions, 235U; calculated aggregate thermal fission antineutrino spectrum.

doi: 10.1103/PhysRevC.95.064313
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2016WA21      Phys.Rev. C 94, 034314 (2016)

X.B.Wang, J.L.Friar, A.C.Hayes

Nuclear Zemach moments and finite-size corrections to allowed β decay

RADIOACTIVITY 14C, 25Na, 35S, 45Ca, 61Cr, 64Co, 100,104Nb, 121Sn(β-); calculated charge density distribution of 120Sn, radial wave functions of the neutron in the parent nuclei and the proton in the daughter nuclei, single-density moments, and Zeemach moments from convoluted densities for allowed ground-state-to-ground-state β- decays. Hartree-Fock model using a Skyrme-like energy density functional. Discussed role of finite-size correction in β- decay in determining the expected antineutrino spectra from reactors.

doi: 10.1103/PhysRevC.94.034314
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2015WA37      J.Phys.(London) G42, 125101 (2015)

X.B.Wang, G.X.Dong

Revisiting the monopole components of effective interactions for the shell model

NUCLEAR STRUCTURE 16,18,20,24O, 42,44,46,48,52,54Ca; calculated energies, J, π, two-neutron separation energies. OXBASH nuclear shell model code, GXPF1A interaction, comparison with available data.

doi: 10.1088/0954-3899/42/12/125101
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2014DO20      Chin.Phys.C 38, 106204 (2014)

L.Dou, S.Jiang, X.-B.Wang, K.-J.Dong, S.-Y.Wu, X-R.Yang, X.-M.Wang, X.-X.Lan, Q.-L.Xia, M.He

Measurement of the half-life of 79Se with accelerator mass spectrometry

RADIOACTIVITY 79Se(β-); measured decay products transmission efficiency, Eβ, Iβ; deduced T1/2. Comparison with available data.

doi: 10.1088/1674-1137/38/10/106204
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2014WA27      Phys.Rev. C 90, 014312 (2014)

X.B.Wang, J.Dobaczewski, M.Kortelainen, L.F.Yu, M.V.Stoitsov

Lipkin method of particle-number restoration to higher orders

NUCLEAR STRUCTURE 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134,136,138,140Sn, 182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222Pb; calculated variation-after-projection (VAP) energies and energy kernels for open shells in Sn and Pb nuclei using Lipkin, Lipkin-Nogami (LN), projected LN methods in the framework of superfluid nuclear energy-density functional theory (DFT). Derived method of approximate particle-number symmetry restoration. 124Xe; calculated reduced energy kernel in two dimensions, as a function of neutron and proton gauge angles.

doi: 10.1103/PhysRevC.90.014312
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2013DO17      Phys.Rev. C 88, 024328 (2013)

G.X.Dong, X.B.Wang, H.L.Liu, F.R.Xu

Collectivity of neutron-rich magnesium isotopes investigated by projected shell model calculations

NUCLEAR STRUCTURE 24,26,28,30,32,34,36,38,40Mg; calculated yrast levels, J, π, bands, g factors, B(E2). Projected shell model with Lipkin-Nogami pairing approach. Comparison with experimental data. 38Mg; predicted Kπ=6+, 2-quasineutron isomeric state.

doi: 10.1103/PhysRevC.88.024328
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2012WA09      Phys.Rev. C 85, 034304 (2012)

X.B.Wang, F.R.Xu

Special relations of coefficients of fractional parentage and partial dynamical symmetries in j=9/2 shells

doi: 10.1103/PhysRevC.85.034304
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2011WA27      Nucl.Phys. A865, 57 (2011)

X.B.Wang, C.Qi, F.R.Xu

Isovector channel of quark-meson-coupling model and its effect on symmetry energy

NUCLEAR STRUCTURE 208Pb; calculated neutron, proton density, radius, symmetry energy using quark-meson coupling model, Skyrme-Hartree-Fock with spin exchange.

doi: 10.1016/j.nuclphysa.2011.07.001
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2010QI05      Phys.Rev. C 82, 014304 (2010)

C.Qi, X.B.Wang, Z.X.Xu, R.J.Liotta, R.Wyss, F.R.Xu

Alternate proof of the Rowe-Rosensteel proposition and seniority conservation

doi: 10.1103/PhysRevC.82.014304
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1995WA33      Chin.J.Nucl.Phys. 17, No 2, 137 (1995)

Z.-D.Wang, X.-D.Zhang, X.-C.Wang, X.-B.Wang

Structure of Halo Nuclei

NUCLEAR STRUCTURE 11Li, 6He; calculated single particle energies, wave functions. 11Li deduced neutron halo origin. 6He deduced neutron skin origin. Self-similar structure shell model.


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