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State-Selective Quantum Interference Observed in the Recombination of Highly Charged Hg{sup 75+{center_dot}}{sup {center_dot}}{sup {center_dot}}{sup 78+} Mercury Ions in an Electron Beam Ion Trap
Ist Teil von
Physical review letters, 2005-05, Vol.94 (20)
Ort / Verlag
United States
Erscheinungsjahr
2005
Quelle
PROLA - Physical Review Online Archive
Beschreibungen/Notizen
We present experimental data on the state-selective quantum interference between different pathways of photorecombination, namely, radiative and dielectronic recombination, in the KLL resonances of highly charged mercury ions. The interference, observed for well resolved electronic states in the Heidelberg electron beam ion trap, manifests itself in the asymmetry of line shapes, characterized by ''Fano factors,'' which have been determined with unprecedented precision, as well as their excitation energies, for several strong dielectronic resonances.