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physics.atom-ph2025
Excited-state magnetic properties of carbon-like
Lukas J. SpieÃ, Shuying Chen, Alexander Wilzewski +13
We measured the -factor of the excited state in ion to be with a relative uncertainty of . The magnetic field…
physics.atom-ph2024
Nonlinear calcium King plot constrains new bosons and nuclear properties
A. Wilzewski, L. I. Huber, M. Door +39
Nonlinearities in King plots (KP) of isotope shifts (IS) can reveal the existence of beyond-Standard-Model (BSM) interactions that couple electrons and neutrons. However, it is cru…
physics.atom-ph2024
Quadratic Zeeman and Electric Quadrupole Shifts in Highly Charged Ions
Jan Gilles, Stephan Fritzsche, Lukas J. Spieà +2
Recent advances in high-precision spectroscopy of highly charged ions necessitate an understanding of energy shifts of ionic levels caused by external electric and magnetic fields.…