Time-resolved quantum beats in the fluorescence of helium resonantly excited by XUV radiation

Laforge, Aaron; Rohringer, N.; Benediktovitch, Andrei; Žitnik, M.; Mudrich, M.; Stienkemeier, F.; Ferianis, M.; Plekan, O.; Asmussen, J. D.; Sukharnikov, Vladislav; Debatin, M.; Spezzani, C.; Falcone, R. W.; Michiels, R.; Badano, L.; Prince, K. C.; Callegari, C.; Berrah, N.; Krušič, Š; Giannessi, L.; Di Fraia, M.

Preprint

PUBDB-2022-04877

Time-resolved quantum beats in the fluorescence of helium resonantly excited by XUV radiation

Laforge, A. (Corresponding author)Extern* ; Benediktovitch, A.XFEL.EU*DESY* ; Sukharnikov, V.Extern* ; Krušič, Š. ; Žitnik, M. ; Debatin, M. ; Falcone, R. W. ; Asmussen, J. D. ; Mudrich, M. ; Michiels, R. ; Stienkemeier, F. ; Badano, L. ; Callegari, C. ; Di Fraia, M.Extern* ; Ferianis, M. ; Giannessi, L. ; Plekan, O. ; Prince, K. C. ; Spezzani, C.Extern* ; Rohringer, N.XFEL.EU*DESY* ; Berrah, N.Extern*

2020

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Report No.: arXiv:2112.08508

Abstract: We report on the observation of time-resolved quantum beats in the helium fluorescence from the transition 1s3p -> 1s2s, where the initial state is excited by XUV free-electron laser radiation. The quantum beats originate from the Zeeman splitting of the magnetic substates due to an external magnetic field. We perform a systematic study of this effect and discuss the possibilities of studying this phenomenon in the XUV and x-ray regime.

Classification:

ddc:530

Note: 7 pages, 4 figures

Contributing Institute(s):

Research Program(s):

Experiment(s):

Measurement at external facility

Database coverage:
Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; Essential Science Indicators ; IF < 5 ; JCR ; National-Konsortium ; Nationallizenz