Ground-state properties of superheavy $Z=122$ isotopes within the deformed relativistic Hartree-Bogoliubov theory in continuum
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arXiv
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| Auteurs principaux: | , , , , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866916000646037504 |
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| author | Zhuang, Jin-Hong Zhang, Zhen-Hua Wang, Yuan-Yuan Pan, Cong Zhang, Kai-Yuan Zhang, Huan-Yu Sun, Yu |
| author_facet | Zhuang, Jin-Hong Zhang, Zhen-Hua Wang, Yuan-Yuan Pan, Cong Zhang, Kai-Yuan Zhang, Huan-Yu Sun, Yu |
| contents | The ground-state properties of superheavy $Z = 122$ isotopes are investigated using the deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc). Bulk properties, including binding energies, Fermi energies, nucleon separation energies, quadrupole deformations, and root-mean-square radii, are calculated. The results are compared with those obtained from the relativistic continuum Hartree-Bogoliubov (RCHB) theory. By examining the dependence on the angular-momentum cutoff and the effects of triaxial and octupole deformations, a strategy for determining the ground states is suggested. Furthermore, based on an analysis of the Fermi and nucleon separation energies, the proton and neutron drip lines for $Z = 122$ isotopes are determined within both the DRHBc and RCHB frameworks. The possible magic numbers $N=184$, 258, and 350 are also suggested. Finally, the evolution of single-particle levels, deformation, charge and neutron radii as well as average pairing gaps with increasing neutron number, is discussed. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_21784 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Ground-state properties of superheavy $Z=122$ isotopes within the deformed relativistic Hartree-Bogoliubov theory in continuum Zhuang, Jin-Hong Zhang, Zhen-Hua Wang, Yuan-Yuan Pan, Cong Zhang, Kai-Yuan Zhang, Huan-Yu Sun, Yu Nuclear Theory The ground-state properties of superheavy $Z = 122$ isotopes are investigated using the deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc). Bulk properties, including binding energies, Fermi energies, nucleon separation energies, quadrupole deformations, and root-mean-square radii, are calculated. The results are compared with those obtained from the relativistic continuum Hartree-Bogoliubov (RCHB) theory. By examining the dependence on the angular-momentum cutoff and the effects of triaxial and octupole deformations, a strategy for determining the ground states is suggested. Furthermore, based on an analysis of the Fermi and nucleon separation energies, the proton and neutron drip lines for $Z = 122$ isotopes are determined within both the DRHBc and RCHB frameworks. The possible magic numbers $N=184$, 258, and 350 are also suggested. Finally, the evolution of single-particle levels, deformation, charge and neutron radii as well as average pairing gaps with increasing neutron number, is discussed. |
| title | Ground-state properties of superheavy $Z=122$ isotopes within the deformed relativistic Hartree-Bogoliubov theory in continuum |
| topic | Nuclear Theory |
| url | https://arxiv.org/abs/2604.21784 |