papers

Publications (7)

physics.atom-ph2020

Sympathetic cooling of Cd by laser-cooled Ca in a linear Paul trap for Microwave Ion Clocks

J. Z. Han, H. R. Qin, L. M. Guo +6

We report sympathetic cooling of Cd by laser-cooled Ca in a linear Paul trap for microwave clocks. Long-term low-temperature confinement of Cd io…

physics.atom-ph2019

Roles of electron correlation effects for accurate determination of factors of low-lying states of Cd and their applications to atomic clock

J. Z. Han, Y. M. Yu, B. K. Sahoo +2

We investigate roles of electron correlation effects in the determination of factors of the (=5,6,7), (=5,6), , and…

physics.atom-ph2023

Investigating properties of heavy and superheavy atomic systems with configurations

H. X. Liu, Y. M. Yu, B. B. Suo +2

We have investigated energies and spectroscopic properties such as lifetimes, factors, and hyperfine structure constants of the neutral atoms P through Mc belonging to Group-…

nucl-ex2024

Nuclear charge radii of germanium isotopes around = 40

S. J. Wang, A. Kanellakopoulos, X. F. Yang +26

Collinear laser spectroscopy measurements were performed on Ge isotopes () at ISOLDE-CERN, by probing the $4s^2 4p^2 \, ^3\!P_1 \rightarrow 4s^2 4p 5s \, ^3\!P_1^…

physics.atom-ph2025

Relativistic configuration-interaction and coupled-cluster calculations of Ir transition energies and properties for optical clock applications

H. X. Liu, Y. M. Yu, B. B. Suo +2

The transition energies and properties of the Ir ion are calculated using the Kramers-restricted configuration-interaction (KRCI) and Fock-space coupled-cluster (FSCC) meth…

physics.atom-ph2021

Multidimensional King-plot analysis for accurate extraction of Cd nuclear charge radii: a challenge for nuclear structure theory

J. Z. Han, C. Pan, K. Y. Zhang +9

High-accuracy determination of isotope shift factors, which plays a crucial role in accurate extraction of nuclear charge radius, is well-known to be challenging experimentally and…

physics.atom-ph2023

Precise determination of ground-state hyperfine splitting and calculation of Zeeman coefficients for 171Yb+ microwave frequency standard

J. Z. Han, B. Q. Lu, N. C. Xin +7

We report precise measurement of the hyperfine splitting and calculation of the Zeeman coefficients of the Yb ground state. The absolute hyperfine splitting frequency i…