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Lifetime measurements of ultrashort-lived excited states in Be-like ions

: Rothhardt, J.; Bilal, M.; Beerwerth, R.; Volotka, A.V.; Hilbert, V.; Stöhlker, T.; Fritzsche, S.; Limpert, J.


X-ray spectrometry : XRS 49 (2020), No.1, pp.165-168
ISSN: 0049-8246
ISSN: 1097-4539
Journal Article
Fraunhofer IOF ()

We propose to measure the lifetime of short-lived excited states in highly charged ions by pump-probe experiments. Utilizing two synchronized and delayed Femtosecond pulses allows accessing these lifetimes with Femtosecond precision. Such measurements could provide sensitive tests of state-of-the art atomic structure calculations beyond the capabilities of established methods.