54 citations · 308 across the 17 of their papers we have counts for
17 papers
Determination of hyperfine splittings and Landé factors of and states of Cd for a microwave frequency standard
J. Z. Han, R. Si, H. R. Qin +6
Regarding trapped-ion microwave-frequency standards, we report on the determination of hyperfine splittings and Landé factors of Cd. The hyperfine splittings…
Benchmarking calculations with spectroscopic accuracy of level energies and wavelengths in W LVII - W LXII tungsten ions
Chun Yu Zhang, Kai Wang, Ran Si +5
Atomic properties of states of the W W ions are systematically investigated through two state-of-the-art methods, namely, the second-order many-body pertu…
Ab initio MCDHF calculations of the In and Tl electron affinities and their isotope shifts
Ran Si, Sacha Schiffmann, Kai Wang +2
We report multiconfiguration Dirac-Hartree-Fock and relativistic configuration interaction calculations on the Thallium (Tl) electron affinity, as well as on the excited energy lev…
Extended calculations of energy levels, radiative properties, and lifetimes for P-like Ge XVIII
Kai Wanga, Xiao Han Zhang, Chun Yu Zhang +6
Using the multiconfiguration Dirac-Hartree-Fock (MCDHF) and the relativistic configuration interaction (RCI) methods, a consistent set of transition energies and radiative transiti…
A first spectroscopic measurement of the magnetic field strength for an active region of the solar corona
Ran Si, Tomas Brage, Wenxian Li +3
For all involved in astronomy, the importance of monitoring and determining astrophysical magnetic field strengths is clear. It is also a well-known fact that the corona magnetic f…
Extended Calculations with Spectroscopic Accuracy: Energy Levels and Radiative Rates for O-like Ions between Ar XI and Cr XVII
C. X. Song, C. Y. Zhang, K. Wang +7
Using the multiconfiguration Dirac-Hartree-Fock and the relativistic configuration interaction methods, a consistent set of transition energies and radiative transition data for th…
Internal conversion of the low energy Th isomer in the Thorium anion
E. V. Tkalya, R. Si
A process of the decay of the anomalously low lying nuclear isomer Th eV) in the Thorium anion (Th) via the internal conversion (IC) channel is s…
Energy Levels, Transition Rates and Electron Impact Excitation Rates for B-like Kr XXXII
Yanting Li, Ra Si, Jinqing Li +5
Energy levels and transition rates for electric-dipole, electric-quadrupole, electric-octupole, magnetic-dipole, and magnetic-quadrupole transitions among the levels arising from t…
Large-scale multiconfiguration Dirac-Hartree-Fock calculations for astrophysics: n=4 levels in P-like ions from Mn~XI to Ni~XIV
C. X. Song, K. Wang, G. Del Zanna +9
Using the multiconfiguration Dirac-Hartree-Fock and the relativistic configuration interaction methods, a consistent set of transition energies and radiative transition data for th…
Benchmarking calculations with spectroscopic accuracy of excitation energies and wavelengths in sulfur-like tungsten
Chun Yu Zhang, Kai Wang, Michel Godefroid +3
Atomic properties of S-like W are evaluated through a state-of-the-art method, namely, the multi-configuration Dirac-Hartree-Fock (MCDHF) method combined with the relativistic conf…
Observation of Electric-Dipole Transitions in the Laser-Cooling Candidate Th
Rulin Tang, Ran Si, Zejie Fei +6
Despite the fact that the laser cooling method is a well-established technique to obtain ultra-cold neutral atoms and atomic cations, it has so far never been applied to atomic ani…
Breit and QED effects on the 3d9 2D3/2 - 2D5/2 transition energy in Co-like ions
R. Si, X. L. Guo, T. Brage +3
The multiconfiguration Dirac-Hartree-Fock theory is used to calculate the 3d9 2D3/2 - 2D5/2 transition energy for Co-like ions with Z = 28-100. We investigate how electron correlat…
Extended calculations of energy levels, radiative properties, , hyperfine interaction constants, and Landé -factors for nitrogen-like \mbox{Ge XXVI}
K. Wang, C. Y. Zhang, P. Jönsson +6
Employing two state-of-the-art methods, multiconfiguration Dirac--Hartree--Fock and second-order many-body perturbation theory, highly accurate calculations are performed for the l…
Benchmarking Atomic Data for Astrophysics: Be-like Ions between B II and Ne VII
Kai Wang, Zhan Bin Chen, Chun Yu Zhang +6
Large-scale self-consistent multiconfiguration Dirac--Hartree--Fock and relativistic configuration interaction calculations are reported for the levels in Be-like ions f…
Extended Calculations of Spectroscopic Data: Energy Levels, Lifetimes and Transition rates for O-like ions from Cr XVII to Zn XXIII
K. Wang, P. Jönsson, J. Ekman +7
Employing two state-of-the-art methods, multiconfiguration Dirac--Hartree--Fock and second-order many-body perturbation theory, the excitation energies and lifetimes for the lowest…
Multi-configuration Dirac-Hartree-Fock calculations of forbidden transitions within the 3d^k ground configurations of highly charged ions (Z=72-83)
ZhanLong Zhao, Kai Wang, Shuang Li +4
Extensive self-consistent multi-configuration Dirac-Hartree-Fock (MCDHF) calculations are performed for the () ground configurations of highly charged ions…
Calculations with spectroscopic accuracy: energies and transition rates in the nitrogen isoelectronic sequence from Ar XII to Zn XXIV
K. Wang, R. Si, W. Dang +11
Combined relativistic configuration interaction and many-body perturbation calculations are performed for the 359 fine-structure levels of the , , , $2s^2…