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Auger Electron Angular Distribution of Double Core-Hole States in the Molecular Reference Frame

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/47979

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Title: Auger Electron Angular Distribution of Double Core-Hole States in the Molecular Reference Frame
Creators: Cryan, James P.; Glownia, J. M.; Andreasson, J.; Belkacem, A.; Berrah, N.; Blaga, C. I.; Bostedt, C.; Bozek, J.; Buth, C.; DiMauro, L. F.; Fang, L.; Gessner, O.; Guehr, M.; Hajdu, J.; Hertlein, M. P.; Hoener, M.; Kornilov, O.; March, A. M.; McFarland, B. K.; Merdji, H.; Petrovic, V. S.; Raman, C.; Ray, D.; Reis, D.; Tarantelli, F.; Trigo, M.; White, J. L.; White, W.; Young, L.; Bucksbaum, P. H.; Coffee, R. N.; Marangos, J. P.
Issue Date: 2010-08-20
Publisher: American Physical Society
Citation: James P. Cryan et al, "Auger Electron Angular Distribution of Double Core-Hole States in the Molecular Reference Frame," Physical Review Letters 105, no. 8 (2010), doi:10.1103/PhysRevLett.105.083004
DOI: 10.1103/PhysRevLett.105.083004
Abstract: The Linac Coherent Light Source free electron laser is a source of high brightness x rays, 2×10^11 photons in a^∼5 fs pulse, that can be focused to produce double core vacancies through rapid sequential ionization. This enables double core vacancy Auger electron spectroscopy, an entirely new way to study femtosecond chemical dynamics with Auger electrons that probe the local valence structure of molecules near a specific atomic core. Using 1.1 keV photons for sequential x-ray ionization of impulsively aligned molecular nitrogen, we observed a rich single-site double core vacancy Auger electron spectrum near 413 eV, in good agreement with ab initio calculations, and we measured the corresponding Auger electron angle dependence in the molecular frame.
ISSN: 1079-7114
URI: http://hdl.handle.net/1811/47979
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