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Laser spectroscopy of negative ions

Laser spectroscopy of negative ionsNegative ions are unique quantum systems. The lack of a long range Coulomb force causes the inter-electronic interaction to become relatively more important. As a consequence, the independent particle model, that adequately describes atomic structure under normal conditions, breaks down. Experimental studies of negative ions can therefore serve as a useful probe of electron correlation and hence be used to test theoretical models that go beyond the independent particle approximation.

The overall goal of our research is to increase our fundamental understanding of atomic and molecular negative ions and their interaction with light. The research is conducted using the in house accelerator GUNILLA and at the double storage ring DESIREE located at Stockholm University. Radioactive negative ions are studied at the isotope facility ISOLDE at CERN in Switzerland. Finally, we are involved in an application where we aim to improve Accelerator Mass Spectrometry (AMS), which is the most sensitive trace element method. This project is performed in collaboration with researcher at the VERA facility at University of Vienna.

Page Manager: Måns Henningson|Last update: 2/28/2019
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