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Titel: Equilibrium K-shell excitation of highly ionized neon
Autor(en): Schumann, SteffenGroeneveld, Karl-OntjesNolte, G.Fricke, Burkhard
Klassifikation (DDC): 530 - Physik (Physics)
Erscheinungsdatum: 1979
Zitierform: In: Zeitschrift für Physik / A. - Berlin [u.a.] : Springer, 289.1979, S. 245-254
Zusammenfassung: Augerelectron emission from foil-excited Ne-ions (6 to 10 MeV beam energy) has been measured. The beam-foil time-of-flight technique has been applied to study electronic transitions of metastable states (delayed spectra) and to determine their lifetimes. To achieve a line identification for the complex structure observed in the prompt spectrum, the spectrum is separated into its isoelectronic parts by an Augerelectron-ion coincidence correlating the emitted electrons and the emitting projectiles of well defined final charge states q_f. Well resolved spectra were obtained and the lines could be identified using intermediate coupling Dirac-Fock multiconfiguration calculations. From the total KLL-Augerelectron transition probabilities observed in the electronion coincidence experiment for Ne (10 MeV) the amount of projectiles with one K-hole just behind a C-target can be estimated. For foil-excited Ne-projectiles in contrast to single collision results the comparison of transition intensities for individual lines with calculated transition probabilities yields a statistical population of Li- and Be-like configurations.
URI: urn:nbn:de:hebis:34-2008100824429
ISSN: 0340-21930930-11510939-7922
Sammlung(en):Publikationen

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