Journal Article

DESY-2014-03781

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Time-Dependent Multiphoton Ionization of Xenon in the Soft-X-Ray Regime

Gerken, N. (Corresponding Author)Extern* ; Klumpp, S.Extern* ; Sorokin, A.  A. ; Tiedtke, K.DESY* ; Richter, M.Extern* ; Bürk, V.Extern* ; Mertens, K.Extern* ; Juranić, P.DESY* ; Martins, M.Extern*

2014
APS College Park, Md.

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Please use a persistent id in citations: doi:10.1103/PhysRevLett.112.213002

Abstract: The time-dependent multiphoton ionization of xenon atoms is studied with femtosecond pulses in the excitation range of the 4d giant resonance at the photon energy of 93 eV. Benefiting from a new operation mode of the free electron laser FLASH, the measurements are performed with varying pulse durations. A strong dependence of the ion charge distribution on the pulse duration allows the different multiphoton mechanisms behind the multiple photoionization of xenon to be disentangled up to a charge state of Xe10+. The results up to Xe8+ are well explained by sequences of single photon, multiphoton, and Auger processes, but higher charge state generation suggests the need for collective electron multiphoton excitations.

Note: OA

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Contributing Institute(s):

1. Uni Hamburg / Experimentalphysik (UNI/EXP)
2. Experimentebetreuung FLASH (FS-FL)
3. DOOR-User (DOOR)

Research Program(s):

1. FLASH Beamline BL2 (POF2-54G16) (POF2-54G16)

Experiment(s):

1. FLASH Beamline BL2 (FLASH)

Appears in the scientific report 2014

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Database coverage:
; ; ; Current Contents - Social and Behavioral Sciences ; JCR ; NCBI Molecular Biology Database ; Nationallizenz ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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