NUCLEAR TECHNIQUES, Volume. 46, Issue 8, 080015(2023)

Deformed halo nuclei and shape decoupling effects

Xiangxiang SUN1...2 and Shangui ZHOU1,2,3,45,* |Show fewer author(s)
Author Affiliations
  • 1School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
  • 2CAS Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100190, China
  • 3School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
  • 4Synergetic Innovation Center for Quantum Effects and Application, Hunan Normal University, Changsha 410081, China
  • 5Peng Huanwu Collaborative Center for Research and Education, Beihang University, Beijing 100191, China
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    Figures & Tables(4)
    Density distributions of 44Mg[17](a) The proton (x<0) and the neutron (x>0) densities, (b) The density of the neutron core, (c) The density of the neutron halo
    Single neutron levels of 44Mg in the canonical basis[17]
    Neutron halo, neutron core, and neutron density distributions of 0+, 2+, and 4+ states of 44Mg by using the DRHBc theory with angular momentum projection
    • Table 1. Quadrupole deformation parameter, two- or one- neutron separation energy, root-mean-square matter radius, and the amplitude of s-wave components of the halo nuclei in born and carbon isotopes from the DRHBc calculations with the density functional PK1[62]. Available experimental values are included for comparison. The experimental data of neutron-separation energies are taken from AME2020[63]

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      Table 1. Quadrupole deformation parameter, two- or one- neutron separation energy, root-mean-square matter radius, and the amplitude of s-wave components of the halo nuclei in born and carbon isotopes from the DRHBc calculations with the density functional PK1[62]. Available experimental values are included for comparison. The experimental data of neutron-separation energies are taken from AME2020[63]

      四极形变β2Quadrupole deformation双(单)中子分离能S2n (Sn) / MeVTwo- (one-) neutron separation energy均方根半径Rm / fmRoot-mean-square matter radiuss-波占比Amplitude of s-wave
      DRHBc实验值Experimental valueDRHBc实验值Experimental valueDRHBc
      17B0.521.781.38(21)3.033.00(6)[64]14%
      19B0.360.220.089(56)3.273.11(13)[64]36%
      15C0.261.221.218 1(8)2.642.54(4)[65]36%
      19C*0.370.040.563 3(915)3.053.16(7)[65]66%
      22C-0.260.400.035(20)3.253.44(8)[66]25%
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    Xiangxiang SUN, Shangui ZHOU. Deformed halo nuclei and shape decoupling effects[J]. NUCLEAR TECHNIQUES, 2023, 46(8): 080015

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    Paper Information

    Category: Research Articles

    Received: Dec. 20, 2022

    Accepted: --

    Published Online: Sep. 19, 2023

    The Author Email:

    DOI:10.11889/j.0253-3219.2023.hjs.46.080015

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