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NSR database version of April 27, 2024.

Search: Author = Q.Z.Chai

Found 9 matches.

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2022CH17      Phys.Rev. C 105, 034315 (2022)

Q.Z.Chai, Y.Qiang, J.C.Pei

Correlations between nuclear landscape boundaries and neutron-rich r-process abundances

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}Sn; calculated S(2n), neutron pairing gap. ³⁹Na; calculated S(2n) using seven different Skyrme-type forces. Comparison to available experimental data. Calculated r-process abundances for A=78-24 with SKYNET using reaction rates calculated with TALYS. Skyrme Hartree-Fock-Bogoliubov (HFB) framework.

doi: 10.1103/PhysRevC.105.034315
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2020CH21      Phys.Rev. C 102, 014312 (2020)

Q.Z.Chai, J.C.Pei, N.Fei, D.W.Guan

Constraints on the neutron drip line with the newly observed ³⁹Na

NUCLEAR STRUCTURE ^{22,24,26,28,30}O, ^{25,27,29,31,33}F, ^{28,30,32,34,36,38}Ne, ^{29,31,33,35,37,39,41}Na, ^{30,32,34,36,38,40,42,44,46}Mg, ^{33,35,37,39,41,43,45,47,49}Al; calculated S(2n). ^29,31F, ^37,39Na; calculated proton and neutron density distributions. ³⁰Ne, ^31,39Na, ^32,40Mg, ⁴¹Al; calculated deformation-potential energy curves for N=20 and 28 drip-line nuclei. Hartree-Fock-Bogoliubov (HFB) calculations using various Skyrme interactions, adopting the extended SkM*_ext1 parametrization. Comparison with available experimental data. Relevance to experimental explorations of drip-line nuclei in the forthcoming Facility for Rare Isotope Beams (FRIB) and other rare-isotope beam facilities, such as recently observed weakly bound ³⁹Na. ³⁹Na; discussed deformed halo properties.

doi: 10.1103/PhysRevC.102.014312
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2018CH21      Chin.Phys.C 42, 054101 (2018)

Q.-Z.Chai, W.-J.Zhao, M.-L.Liu, H.-L.Wang

Calculation of multidimensional potential energy surfaces for even-even transuranium nuclei: systematic investigation of the triaxiality effect on the fission barrier

NUCLEAR STRUCTURE ^{236,238,240,242,244,246}Pu, ^{242,244,246,248,250}Cm, ^250,252Cf, ²⁵⁴Rf; calculated proton and neutron single-particle levels, two-dimensional potential energy surfaces, microscopic energy, deformation parameters. Comparison with available data.

doi: 10.1088/1674-1137/42/5/054101
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2018CH28      Prog.Theor.Exp.Phys. 2018, 053D02 (2018)

Q.-Z.Chai, W.i-J.Zhao, H.-L.Wang, M.-L.Liu, F.-R.Xu

The triaxiality and Coriolis effects on the fission barrier in isovolumic nuclei with mass number A = 256 based on multidimensional total Routhian surface calculations

NUCLEAR STRUCTURE ¹⁴⁰Gd, ²⁵²Cf, ²⁵⁶Cm, ²⁵⁶Cf, ²⁵⁶Fm, ²⁵⁶No, ²⁵⁶Rf, ²⁵⁶Sg; calculated potential energy surfaces for the static fission barriers and ground-state deformation parameters, proton and neutron single-particle levels near the Fermi surface, pairing gaps of proton and neutron, rotational frequencies, total energies. Comparison with available data.

doi: 10.1093/ptep/pty049
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2018CH39      Int.J.Mod.Phys. E27, 1850050 (2018)

Q.Z.Chai, W.J.Zhao, H.L.Wang

Similar alignment based on total-Routhian-surface approach in an α-decay chain from ²¹⁶Po to ²⁷²Cn

NUCLEAR STRUCTURE ²⁷²Cn, ²⁶⁸Ds, ²⁶⁴Hs, ²⁶⁰Sg, ²⁵⁶Rf, ²⁵²No, ²⁴⁸Fm, ²⁴⁴Cf, ²⁴⁰Cm, ²³⁶Pu, ²³²U, ²²⁸Th, ²²⁴Ra, ²²⁰Rn, ²¹⁶Po; calculated angular momentum as a function of the rotational frequency for α-decay chain nuclei, single-particle energies using total Routhian surface approach in multidimensional deformation space.

doi: 10.1142/S0218301318500507
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2016YA04      Prog.Theor.Exp.Phys. 2016, 063D03 (2016)

J.Yang, H.-L.Wang, Q.-Z.Chai, M.-L.Liu, F.-R.Xu

Evolution of shape and rotational structure in neutron-deficient ^118-128Ba nuclei

NUCLEAR STRUCTURE ^{118,120,122,124,126,128}Ba; calculated deformation Routhian curves, LN pairing gaps of protons and neutrons, angular momenta. Comparison with available data.

doi: 10.1093/ptep/ptw074
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2015CH08      Chin.Phys.C 39, 024101 (2015)

Q.-Z.chai, H.-L.Wang, Q.Yang, M.-L.Liu

Spin-dependent γ softness or triaxiality in even-even ^132-138Nd nuclei

NUCLEAR STRUCTURE ^{132,134,136,138}Nd; calculated deformation parameters, total deformation Routhian curves, energy levels, odd-even energy staggering. Total-Routhian-surface calculations, comparison with available data.

doi: 10.1088/1674-1137/39/2/024101
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2015YA14      Chin.Phys.C 39, 094102 (2015)

Q.Yang, H.-L.Wang, Q.-Z.Chai, M.-L.Liu

Total Routhian surface calculations of triaxial or γ-soft properties in even- A N = 76 isotones with 54 ≤ Z ≤ 68

NUCLEAR STRUCTURE ¹³⁰Xe, ¹³²Ba, ¹³⁴Ce, ¹³⁶Nd, ¹³⁸Sm, ¹⁴⁰Gd, ¹⁴²Dy, ¹⁴⁴Er; calculated total Routhian surfaces (TRS), deformation parameters; deduced triaxiality or γ-softness in high-spin states as well as ground states. Comparison with available data.

doi: 10.1088/1674-1137/39/9/094102
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2014WA25      Chin.Phys.C 38, 074101 (2014)

H.-L.Wang, Q.-Z.Chai, J.-G.Jiang, M.-L.Liu

Rotational properties in even-even superheavy ^254-258Rf nuclei based on total-Routhian-surface calculations

NUCLEAR STRUCTURE ^254,256,258Rf; calculated single-particle levels, deformation parameters, moment of inertia, band crossing using total Routhian surface method. Comparison with experimental data.

doi: 10.1088/1674-1137/38/7/074101
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