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LCLS in - photon out: fluorescence measurement of neon using soft x-rays

We measured the fluorescence photon yield of neon upon soft x-ray ionization (∼1200 eV) from the x-ray free-electron laser at Linac Coherent Light Source, and demonstrated the usage of a grazing incidence spectrometer with a variable line spacing grating to perform x-ray fluorescence spectroscopy on...

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Main Authors: Obaid, Razib (Author) , Buth, Christian (Author) , Dakovski, Georgi L. (Author) , Beerwerth, Randolf (Author) , Holmes, Michael (Author) , Aldrich, Jeff (Author) , Lin, Ming-Fu (Author) , Minitti, Michael (Author) , Osipov, Timur (Author) , Schlotter, William (Author) , Cederbaum, Lorenz S. (Author) , Fritzsche, Stephan (Author) , Berrah, Nora (Author)
Format: Article (Journal)
Language:English
Published: 9 January 2018
In: Journal of physics. B, Atomic, molecular and optical physics
Year: 2018, Volume: 51, Issue: 3
ISSN:1361-6455
DOI:10.1088/1361-6455/aaa189
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1088/1361-6455/aaa189
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Author Notes:Razib Obaid, Christian Buth, Georgi L. Dakovski, Randolf Beerwerth, Michael Holmes, Jeff Aldrich, Ming-Fu Lin, Michael Minitti, Timur Osipov, William Schlotter, Lorenz S. Cederbaum, Stephan Fritzsche, Nora Berrah
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Summary:We measured the fluorescence photon yield of neon upon soft x-ray ionization (∼1200 eV) from the x-ray free-electron laser at Linac Coherent Light Source, and demonstrated the usage of a grazing incidence spectrometer with a variable line spacing grating to perform x-ray fluorescence spectroscopy on a gas phase system. Our measurements also allowed us to estimate the focal size of the beam from the theoretical description developed, in terms of the rate equation approximation accounting for photoionization shake off of neutral neon and double auger decay of single core holes.
Item Description:Gesehen am 25.03.2020
Physical Description:Online Resource
ISSN:1361-6455
DOI:10.1088/1361-6455/aaa189

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