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NSR database version of April 11, 2024.

Search: Author = X.X.Sun

Found 16 matches.

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2024ZH13      Chin.Phys.C 48, 014107 (2024)

R.-Y.Zheng, X.-X.Sun, G.-f.Shen, L.-Sh.Geng

Evolution of N = 20, 28, 50 shell closures in the 20≤Z≤30 region in deformed relativistic Hartree-Bogoliubov theory in continuum

NUCLEAR STRUCTURE Z=20-30; calculated charge radii, two-neutron separation energies, two-neutron gaps, quadrupole deformations, and single-particle levels with the deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc) with the density functional PC-PK1. Comparison with available data.

doi: 10.1088/1674-1137/ad0bf2
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2023SU02      Phys.Rev. C 107, L011601 (2023)

X.-X.Sun, L.Guo

Microscopic study of fusion reactions with a weakly bound nucleus: Effects of deformed halo

NUCLEAR REACTIONS 232Th(14C, X), (15C, X), E(cm)=50-70 MeV; calculated fusion σ(E), intranuclear potential. 232Th(15C, 14C), E=54 MeV; calculated one-neutron transfer probability for 49 different orientations. Time-dependent density functional theory (TDDFT). Comparison to experimental data.

NUCLEAR STRUCTURE 14,15C; calculated two-dimensional density distribution of the ground state.

doi: 10.1103/PhysRevC.107.L011601
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2023SU05      Phys.Rev. C 107, 064609 (2023)

X.-X.Sun, L.Guo

Microscopic study of the hot-fusion reaction 48Ca + 238U with the constraints from time-dependent Hartree-Fock theory

NUCLEAR REACTIONS 238U(48Ca, X), E(cm)=180-215 MeV; calculated capture σ(E), fusion σ(E), orientation-averaged fusion σ(E), fusion probabilities, injection distances, separation distance of centers of mass of two fragments with zero conjugate momenta, internuclear potentials between 48Ca and 238U for different orientations, density distributions. 238U(48Ca, 3n), (48Ca, 4n), E(cm)=18-205 MeV; calculated evaporation-residue σ(E). Calculations utilizing microscopic descriptions of the ground state with static Hartree-Fock calculations and reaction dynamic using time-dependent Hartree-Fock (TDHF) theory, in combination with coupled-channel and fusion-by-diffusion models. Comparison to experimental data.

doi: 10.1103/PhysRevC.107.064609
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2023XI09      Phys.Lett. B 845, 138160 (2023)

Y.Xiao, S.-Z.Xu, R.-Y.Zheng, X.-X.Sun, L.-S.Geng, S.-S.Zhang

One-proton emission from 148-151Lu in the DRHBc+WKB approach

RADIOACTIVITY 148,149,150,151Lu(p); analyzed available data; deduced proton-nucleus potential from the deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc), oblate deformation, T1/2, the DRHBc + WKB approach provides a new alternative method to evaluate the half-lives of well-deformed proton emitters.

doi: 10.1016/j.physletb.2023.138160
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2023ZH15      Phys.Rev. C 107, L041303 (2023)

K.Y.Zhang, P.Papakonstantinou, M.-H.Mun, Y.Kim, H.Yan, X.-X.Sun

Collapse of the N=28 shell closure in the newly discovered 39Na nucleus and the development of deformed halos towards the neutron dripline

NUCLEAR STRUCTURE 39Na; calculated S(n), single-neutron levels, J, π, quadrupole deformation, rms radius. 31,33,35,37,39,41Na; calculated neutron density distributions. Pointed that 39Na could be single nucleus with the coexistence of several exotic structures, including the quenched N=28 shell closure, Borromean structure, deformed halo, and between the core and the halo. Discussed the microscopic mechanisms behind the shape decoupling phenomenon and the development of halos towards dripline. Deformed relativistic Hartree-Bogoliubov theory in continuum.

doi: 10.1103/PhysRevC.107.L041303
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2022SU07      Phys.Rev. C 105, 034601 (2022)

X.-X.Sun, L.Guo, A.S.Umar

Microscopic study of the fusion reactions 40, 48Ca+78Ni and the effect of the tensor force

NUCLEAR REACTIONS 78Ni(40Ca, X), (48Ca, X), E(cm)=70, 80, 90 MeV; calculated internuclear potentials, fusion σ. Dynamic density-constrained time-dependent Hartree-Fock (DC-TDHF) and static Hartree-Fock theory. Discussed role of tensor force in the fusion of nuclei.

doi: 10.1103/PhysRevC.105.034601
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2022SU10      Phys.Rev. C 105, 054610 (2022)

X.-X.Sun, L.Guo

Microscopic study of compound-nucleus formation in cold-fusion reactions

NUCLEAR REACTIONS 208Pb(48Ca, X), E=160-220 MeV; 208Pb(50Ti, X), E=180-230 MeV; 208Pb(54Cr, X), E=190-235 MeV; calculated capture and fusion σ(E), effective fusion probabilities, injection parameters. The time-dependent Hartree-Fock (TDHF) approach. Comparison to experimental data.

doi: 10.1103/PhysRevC.105.054610
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2022WA08      Chin.Phys.C 46, 024107 (2022)

X.-Q.Wang, X.-X.Sun, S.-G.Zhou

Microscopic study of higher-order deformation effects on the ground states of superheavy nuclei around 270Hs

NUCLEAR STRUCTURE 264,266,268,270,272,274,276Hs, 266Rf, 268Sg, 272Ds; calculated binding energies, energy levels, J, π, deformation parameters using the deformation relativistic Hartree-Bogoliubov (DRHBc) theory.

doi: 10.1088/1674-1137/ac3904
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2022ZH74      Sci.China: Phys.Mech.Astron. 65, 262011 (2022)

S.-Y.Zhong, S.-S.Zhang, X.-X.Sun, M.S.Smith

Study of the deformed halo nucleus 31Ne with Glauber model based on microscopic self-consistent structures

NUCLEAR STRUCTURE 26,27,28,29,30,31Ne; calculated two-dimensional neutron density functions, averaged-angle neutron densities, single neutron levels, inclusive parallel momentum distributions. The deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc).

NUCLEAR REACTIONS 12C(26Ne, X), (27Ne, X), (28Ne, X), (29Ne, X), (30Ne, X), (31Ne, X), E=240 MeV/nucleon; calculated σ using DRHBc and RAB model. Comparison with experimental data.

doi: 10.1007/s11433-022-1894-6
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2021SU10      Phys.Rev. C 103, 054315 (2021)


Deformed two-neutron halo in 19B

NUCLEAR STRUCTURE 19B; calculated S(2n), Fermi surfaces of neutrons, quadrupole deformation parameters β2, rms matter radii, proton and neutron density profiles, single neutron levels around the Fermi level, halo configurations and halo parameters. 15,17,19B; calculated angular averaged densities of neutrons, neutron halos and neutron cores. Deformed relativistic Hartree-Bogoliubov (DRHB) theory in continuum calculations using PC-PK1, PK1, NL3, DD-ME2, and PKDD density functionals.

doi: 10.1103/PhysRevC.103.054315
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2021SU23      Phys.Rev. C 104, 064319 (2021)

X.-X.Sun, S.-G.Zhou

Angular momentum projection in the deformed relativistic Hartree-Bogoliubov theory in continuum

NUCLEAR STRUCTURE 38Mg; calculated total energy, rms matter radius, and quadrupole deformation parameter β2 of the ground state and oblate isomer. 24Mg; calculated normal overlap with the quadrupole deformation parameter, energies and B(E2) for the first 2+, 4+ and 6+ states. 36,38,40Mg; calculated ground-state properties, neutron, proton, and total quadrupole deformation parameters, neutron, proton, and total rms matter radii, the correction energies of center-of-mass spurious motion, the total energy, and the energies of the projected 0+ state, single-particle levels (SPLs) of neutrons around the Fermi energy, level energies, spectroscopic quadrupole moments, and B(E2) of the first 2+, 4+ and 6+ states of g.s. rotational bands. Angular momentum projection (AMP) method in the deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc+AMP) with the point-coupling density functional PC-F1, with the wave functions of angular momentum projected states expanded in terms of the Dirac Woods-Saxon (WS) basis. Comparison with experimental values.

doi: 10.1103/PhysRevC.104.064319
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2021YA07      Phys.Rev.Lett. 126, 082501 (2021)

Z.H.Yang, Y.Kubota, A.Corsi, K.Yoshida, X.-X.Sun, J.G.Li, M.Kimura, N.Michel, K.Ogata, C.X.Yuan, Q.Yuan, G.Authelet, H.Baba, C.Caesar, D.Calvet, A.Delbart, M.Dozono, J.Feng, F.Flavigny, J.-M.Gheller, J.Gibelin, A.Giganon, A.Gillibert, K.Hasegawa, T.Isobe, Y.Kanaya, S.Kawakami, D.Kim, Y.Kiyokawa, M.Kobayashi, N.Kobayashi, T.Kobayashi, Y.Kondo, Z.Korkulu, S.Koyama, V.Lapoux, Y.Maeda, F.M.Marques, T.Motobayashi, T.Miyazaki, T.Nakamura, N.Nakatsuka, Y.Nishio, A.Obertelli, A.Ohkura, N.A.Orr, S.Ota, H.Otsu, T.Ozaki, V.Panin, S.Paschalis, E.C.Pollacco, S.Reichert, J.-Y.Rousse, A.T.Saito, S.Sakaguchi, M.Sako, C.Santamaria, M.Sasano, H.Sato, M.Shikata, Y.Shimizu, Y.Shindo, L.Stuhl, T.Sumikama, Y.L.Sun, M.Tabata, Y.Togano, J.Tsubota, F.R.Xu, J.Yasuda, K.Yoneda, J.Zenihiro, S.-G.Zhou, W.Zuo, T.Uesaka

Quasifree Neutron Knockout Reaction Reveals a Small s-Orbital Component in the Borromean Nucleus 17B

NUCLEAR REACTIONS 1H(17B, np)16B, E ∼ 277 MeV/nucleon; measured reaction products, Eγ, Iγ. 17B; deduced energy levels, partial σ and spectroscopic parameters, resonance widths. Comparison with GSM, VS-IMSRG, AMD, SM calculations. MINOS target, RIKEN Nishina Center.

doi: 10.1103/PhysRevLett.126.082501
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2689.

2020DU02      Chin.Phys.C 44, 024001 (2020)

F.-F.Duan, Y.-Y.Yang, D.-Y.Pang, B.-T.Hu, J.-S.Wang, K.Wang, G.Yang, V.Guimaraes, P.Ma, S.-W.Xu, X.-Q.Liu, J.-B.Ma, Z.Bai, Q.Hu, S.-Y.Jin, X.-X.Sun, J.-S.Yao, H.-K.Qi, Z.-Y.Sun

Experimental study of the elastic scattering of 10Be on 208Pb at the energy of around three times the Coulomb barrier

NUCLEAR REACTIONS 208Pb(8Be, 8Be), E=127 MeV; measured reaction products; deduced σ, optical model parameters.

doi: 10.1088/1674-1137/44/2/024001
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetS0229.

2020DU18      Phys.Lett. B 811, 135942 (2020)

F.F.Duan, Y.Y.Yang, K.Wang, A.M.Moro, V.Guimaraes, D.Y.Pang, J.S.Wang, Z.Y.Sun, J.Lei, A.Di Pietro, X.Liu, G.Yang, J.B.Ma, P.Ma, S.W.Xu, Z.Bai, X.X.Sun, Q.Hu, J.L.Lou, X.X.Xu, H.X.Li, S.Y.Jin, H.J.Ong, Q.Liu, J.S.Yao, H.K.Qi, C.J.Lin, H.M.Jia, N.R.Ma, L.J.Sun, D.X.Wang, Y.H.Zhang, X.H.Zhou, Z.G.Hu, H.S.Xu

Scattering of the halo nucleus 11Be from a lead target at 3.5 times the Coulomb barrier energy

NUCLEAR REACTIONS 208Pb(11Be, 11Be), (11Be, X), E=140 MeV; 208Pb(10Be, X), (10Be, X), E=127 MeV; 208Pb(9Be, 9Be), (9Be, X), E=88 MeV; measured reaction products. 9,10,11Be; deduced σ(θ), σ(E), σ. Comparison with continuum discretized coupled channel (CDCC) as well as by the XCDCC calculations.

doi: 10.1016/j.physletb.2020.135942
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetS0235.

2020SU20      Nucl.Phys. A1003, 122011 (2020)

X.-X.Sun, J.Zhao, S.-G.Zhou

Study of ground state properties of carbon isotopes with deformed relativistic Hartree-Bogoliubov theory in continuum

NUCLEAR STRUCTURE 12,13,14,15,16,17,18,19,20,21,22C; analyzed available data; calculated neutron separation energies, rms matter radii, deformation parameters.

doi: 10.1016/j.nuclphysa.2020.122011
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2018SU22      Phys.Lett. B 785, 530 (2018)

X.-X.Sun, J.Zhao, S.-G.Zhou

Shrunk halo and quenched shell gap at N=16 in 22C: Inversion of sd states and deformation effects

NUCLEAR STRUCTURE 22C; analyzed available data; deduced inversion between the two spherical orbitals, shrunk halo and a quenched shell gap at N=16.

doi: 10.1016/j.physletb.2018.08.071
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