High-resolution measurement of the electron affinity of cesium

JE Navarro Navarrete, M Nichols, A Ringvall-Moberg… - Physical Review A, 2024 - APS
Negative ions are unique quantum systems where electron correlation plays a decisive role
in determining their properties. The lack of optically allowed transitions prevents traditional …

The electron affinity of rubidium: a state selective measurement

A Ringvall-Moberg, M Nichols… - Journal of Physics B …, 2024 - iopscience.iop.org
Negative ions, which are formed when an electron is attached to a neutral system, are
unique quantum systems. The lack of a long-range Coulomb force causes the inter …

A field ionizer for photodetachment studies of negative ions

J Welander, JE Navarro Navarrete, J Rohlén… - Review of Scientific …, 2022 - pubs.aip.org
In this paper, we present an apparatus for studies into the photodetachment process of
atomic negative ions. State-selective detection of the residual atom following the initial …

Extreme correlation and repulsive interactions in highly excited atomic alkali anions

MT Eiles, CH Greene - Physical Review Letters, 2018 - APS
At high energies, single-photon photodetachment of alkali negative ions populates final
states where both the ejected electron and the residual valence electron possess high …

Threshold behaviour in photodetachment into a final state with large negative polarizability

J Rohlén, AO Lindahl, H Hultgren, RD Thomas… - Europhysics …, 2014 - iopscience.iop.org
In a recent experiment, Lindahl et al.(Lindahl AO et al., Phys. Rev. Lett., 108 (2012) 033004)
observed a new threshold behavior in the photodetachment of the potassium negative ion …

Observation of thresholds and overlapping resonances below the 10 and thresholds in the photodetachment of Cs

AO Lindahl, J Rohlén, H Hultgren, DJ Pegg… - Physical Review A …, 2013 - APS
A collinear beam apparatus has been used to study photodetachment of Cs−. Partial cross
sections were measured using state-selective detection based on a resonance ionization …

Spectroscopy of Stable and Radioactive Negative Ions

A Ringvall Moberg - 2023 - gupea.ub.gu.se
Negative ions are unique quantum systems which are of fundamental interest within the field
of atomic physics due to the importance of the electron correlation in their creation, stability …

Extreme correlation and repulsive interactions in highly excited atomic anions

MT Eiles, CH Greene - arXiv preprint arXiv:1806.02956, 2018 - arxiv.org
At high energies, single-photon photodetachment of alkali negative ions populates final
states where both the ejected electron and the residual valence electron possess high …

Spectroscopic studies of the negative state of atoms

J Welander - 2020 - gupea.ub.gu.se
Negative ions are of fundamental interest in atomic physics due to the enhanced importance
of the electron correlation. In this thesis new spectroscopic methods have been developed …

Dynamics and Structure of Negative Ions-Photoinduced double detachment on nano-and femtosecond time scales

H Hultgren - 2020 - gupea.ub.gu.se
The goal of the presented work is to investigate double detachment of negative ions on nano-
and femtosecond time scales. I have performed three types of experiments. Femtosecond …