5 papers
Measurement of the O Photodetachment cross-section in the electrostatic storage ring FLSR
Oliver Forstner, Thorben Niemeyer, Andrey I. Bondarev +10
The achievable precision of photodetachment studies via tunable laser light has been investigated on circulating oxygen anions at the room-temperature electrostatic low-energy stor…
Calculation of hyperfine structure in Tm II
Andrey I. Bondarev
The first measurements of the magnetic dipole hyperfine structure constants A in singly ionized thulium revealed substantial discrepancies with the corresponding calculations [Mans…
multiconfigurational calculations of experimentally significant energy levels and transition rates in Lr I
Joseph S. Andrews, Andrey I. Bondarev, Per Jönsson +4
Large-scale multiconfigurational calculations are conducted on experimentally significant transitions in Lr I and its lanthanide homologue Lu I, exhibiting good agreement with rece…
Excited-state magnetic properties of carbon-like
Lukas J. Spieß, 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…
Quantum Electrodynamics in Strong Electromagnetic Fields: Substate Resolved K Transition Energies in Helium-like Uranium
Philip Pfäfflein, Günter Weber, Steffen Allgeier +34
Using novel metallic magnetic calorimeter detectors at the CRYRING@ESR, we recorded X-ray spectra of stored and electron cooled helium-like uranium (U) with an unmatched sp…