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Molecular frame Auger electron energy spectrum from N2
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Cell and Molecular Biology, Molecular biophysics.
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2012 (English)In: Journal of Physics B: Atomic, Molecular and Optical Physics, ISSN 0953-4075, E-ISSN 1361-6455, Vol. 45, no 5, 055601- p.Article in journal (Refereed) Published
Abstract [en]

Here we present the first angle-resolved, non-resonant (normal) Auger spectra for impulsively aligned nitrogen molecules. We have measured the angular pattern of Auger electron emission following K -shell photoionization by 1.1 keV photons from the Linac Coherent Light Source (LCLS). Using strong-field-induced molecular alignment to make molecular frame measurements is equally effective for both repulsive and quasi-bound final states. The capability to resolve Auger emission angular distributions in the molecular frame of reference provides a new tool for spectral assignments in congested Auger electron spectra that takes advantage of the symmetries of the final diction states. Based on our experimental results and theoretical predictions, we propose the assignment of the spectral features in the Auger electron spectrum.

Place, publisher, year, edition, pages
2012. Vol. 45, no 5, 055601- p.
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:uu:diva-169691DOI: 10.1088/0953-4075/45/5/055601ISI: 000300707800011OAI: oai:DiVA.org:uu-169691DiVA: diva2:507566
Available from: 2012-03-05 Created: 2012-03-05 Last updated: 2017-12-07Bibliographically approved

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Publisher's full texthttp://stacks.iop.org/0953-4075/45/i=5/a=055601

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Andreasson, JakobHajdu, Janos

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