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NSR database version of May 23, 2024.

Search: Author = K.Y.Zhang

Found 12 matches.

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2024AN02      Phys.Lett. B 849, 138422 (2024)

J.-L.An, K.-Y.Zhang, Q.Lu, Sh.-Y.Zhong, Sh.-Sh.Zhang

A unified description of the halo nucleus 37Mg from microscopic structure to reaction observables

NUCLEAR REACTIONS 12C(20Mg, X), (21Mg, X), (22Mg, X), (23Mg, X), (24Mg, X), (25Mg, X), (26Mg, X), (27Mg, X), (28Mg, X), (29Mg, X), (30Mg, X), (31Mg, X), (32Mg, X), (33Mg, X), (34Mg, X), (35Mg, X), (36Mg, X), (37Mg, X), E=240 MeV/nucleon; calculated σ using the deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc). 37Mg; deduced halo evidence of 37Mg with the Glauber model.

doi: 10.1016/j.physletb.2023.138422
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2024WU03      Phys.Rev. C 109, 024310 (2024)

X.H.Wu, C.Pan, K.Y.Zhang, J.Hu

Nuclear mass predictions of the relativistic continuum Hartree-Bogoliubov theory with the kernel ridge regression

doi: 10.1103/PhysRevC.109.024310
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2023KU14      Eur.Phys.J. A 59, 160 (2023)

Y.Kuang, X.L.Tu, J.T.Zhang, K.Y.Zhang, Z.P.Li

Systematic study of elastic proton-nucleus scattering using relativistic impulse approximation based on covariant density functional theory

NUCLEAR STRUCTURE A=12-232; analyzed elastic-scattering σ and analyzing power using relativistic impulse approximation (RIA) with a modern density functional PC-PK1; deduced strong correlation between the root-mean-square (rms) radius of the neutron distribution and the inverse of momentum transfer corresponding to the minimum of the σ.

doi: 10.1140/epja/s10050-023-01072-x
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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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2023ZH35      Phys.Lett. B 844, 138112 (2023)

K.Y.Zhang, S.Q.Yang, J.L.An, S.S.Zhang, P.Papakonstantinou, M.-H.Mun, Y.Kim, H.Yan

Missed prediction of the neutron halo in 37Mg

NUCLEAR STRUCTURE 35,36,37Mg; calculated neutron density distributions, single-neutron energies, occupation probabilities using a microscopic and self-consistent way using the deformed relativistic Hartree-Bogoliubov theory in continuum; deduced the deformed p-wave halo characteristics of 37Mg.

doi: 10.1016/j.physletb.2023.138112
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2023ZH44      Phys.Rev. C 108, L041301 (2023)

K.Y.Zhang, S.Q.Zhang, J.Meng

Possible neutron halo in the triaxial nucleus 42Al

doi: 10.1103/PhysRevC.108.L041301
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2022HA28      Phys. Rev. Res. 4, 033049 (2022)

J.Z.Han, C.Pan, K.Y.Zhang, X.F.Yang, S.Q.Zhang, J.C.Berengut, S.Goriely, H.Wang, Y.M.Yu, J.Meng, J.W.Zhang, L.J.Wang

Isotope shift factors for the Cd+ 5s2S1/2 → 5p2P3/2 transition and determination of Cd nuclear charge radii

NUCLEAR MOMENTS 100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130Cd; measured frequencies; deduced atomic isotope shift factors limits, linear transformation parameters, nuclear charge radii. Comparison with CI+MBPT calculations are performed to cross-check the accuracy and reliability of the extracted atomic IS factors.

doi: 10.1103/PhysRevResearch.4.033049
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2022SU16      Chin.Phys.C 46, 064103 (2022)

W.Sun, K.-Y.Zhang, C.Pan, X.-H.Fan, S.-Q.Zhang, Z.-P.Li

Beyond-mean-field dynamical correlations for nuclear mass table in deformed relativistic Hartree-Bogoliubov theory in continuum

NUCLEAR STRUCTURE 120,122,124,126,128,130,132,134,136,138,140,142,144,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220Nd, 62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,98,100,102,104,106,108,110,112,114,116,118,120,122Se, 210,212,214,216,218,220,222,224,226,228,230,232,234,236,238,240,242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326,328,330,332,334,336,338,340,342,344,346,348,350Th; calculated dynamical correlation and rotational correction energies obtained from the cranking approximation, two-neutron seperation energies using the deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc) with the dynamical correlation energies (DCEs).

doi: 10.1088/1674-1137/ac53fa
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2022ZH44      Phys.Rev. C 106, 024302 (2022)

K.Y.Zhang, C.Pan, S.Q.Zhang

Optimized Dirac Woods-Saxon basis for covariant density functional theory

NUCLEAR STRUCTURE 20Ne, 112Mo, 300Th; calculated total energy as a function of the energy cutoff in the Dirac sea, number of Dirac Woods-Saxon (DWS) bases in the Fermi sea, single-neutron levels for 300Th near the continuum threshold using DWS and optimized Dirac Woods-Saxon (ODWS) basis. Deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc), with optimized Dirac Woods-Saxon basis.

doi: 10.1103/PhysRevC.106.024302
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2021HE24      Chin.Phys.C 45, 101001 (2021)

X.-T.He, C.Wang, K.-Y.Zhang, C.Shen

Possible existence of bound nuclei beyond neutron drip lines driven by deformation

NUCLEAR STRUCTURE 362,364,366,368,370,372,374,376,378,380,382,384,386,388,390,392,394,396,398,400,402,404Ds; calculated ground state properties, two-neutron separation energies, deformation parameters using the deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc). deduced possible existence of bound nuclei beyond the neutron drip lines.

doi: 10.1088/1674-1137/ac1b99
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2021PA29      Phys.Rev. C 104, 024331 (2021)

C.Pan, K.Y.Zhang, P.S.Chong, C.Heo, M.C.Ho, J.Lee, Z.P.Li, W.Sun, C.K.Tam, S.H.Wong, R.W.-Y.Yeung, T.C.Yiu, S.Q.Zhang

Possible bound nuclei beyond the two-neutron drip line in the 50 ≤ Z ≤ 70 region

NUCLEAR STRUCTURE 180,182,184,186,188,190,192,194,196,198,200Ba, 220,222,224,226,228,230,232,234,236Sm, 230,232,234,236,238,240,242,244Gd, 242,244,246,248,250,252,254Dy; calculated total energies, neutron Fermi energies, quadrupole deformation parameters β2. 182,184,186,188,190,192,194,196,198Ba, 224,226,228,230,232,234Sm; calculated single-neutron levels around the neutron Fermi energy, pairing energies as function of neutron number. 188Ba; estimated multi-neutron emission and the corresponding half-lives for 4n and 6n emissions as functions of the decay energy. Deformed relativistic Hartree-Bogoliubov in continuum (DRHBc) calculations with density functional PC-PK1. 192,194,196Ba, 192,194,196,198,200,202,204,206,208Ce, 232Sm, 238,240Gd, 250Dy; predicted as bound nuclei beyond the neutron drip line, forming peninsulas of stability in the nuclear landscape.

doi: 10.1103/PhysRevC.104.024331
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2019ZH42      Phys.Rev. C 100, 034312 (2019)

K.Y.Zhang, D.Y.Wang, S.Q.Zhang

Effects of pairing, continuum, and deformation on particles in the classically forbidden regions for Mg isotopes

NUCLEAR STRUCTURE 20,22,24,26,28,30,32,34,36,38,40,42,44,46Mg; calculated binding energies per nucleon as function of neutron number, number of neutrons, protons, and total nucleons in the classically forbidden (CF) regions, ground-state quadrupole deformation β2, density distributions and the boundary of the classically forbidden regions of single-neutron states for 24Mg. Relativistic continuum Hartree-Bogoliubov (RCHB) theory and the deformed relativistic Hartree-Bogoliubov (DRHB) theory in continuum with PCPK1. Comparison with available experimental data.

doi: 10.1103/PhysRevC.100.034312
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