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New insight into th...
New insight into the Auger decay process in O-2: The coincidence perspective
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Arion, Tiberiu (author)
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Puettner, Ralph (author)
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Lupulescu, Cosmin (author)
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Ovsyannikov, Ruslan (author)
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Foerstel, Marko (author)
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- Öhrwall, Gunnar (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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- Lindblad, Andreas (author)
- Uppsala universitet,Yt- och gränsskiktsvetenskap
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Ueda, Kiyoshi (author)
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- Svensson, Svante, 1947- (author)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik,UBjL
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Bradshaw, Alex M. (author)
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Eberhardt, Wolfgang (author)
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Hergenhahn, Uwe (author)
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(creator_code:org_t)
- Elsevier BV, 2012
- 2012
- English.
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In: Journal of Electron Spectroscopy and Related Phenomena. - : Elsevier BV. - 0368-2048 .- 1873-2526. ; 185:8-9, s. 234-243
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Abstract
Subject headings
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- Photoelectron-Auger electron coincidence spectroscopy is a powerful tool for the investigation of Auger decay processes with different core-ionized intermediate states. In this paper we describe an investigation into the Auger decay of the O-2 molecule, with the purpose of bringing new insight into the dynamics of the core hole decay mechanism. Using a novel experimental approach to measuring such coincidence spectra we report the highest resolution Auger spectrum of O-2 recorded hitherto. In our approach, we have combined the advantages of these coincidence spectra with the high resolution and excellent signal-to-noise ratios of non-coincident Auger spectra and a state-of-the-art fit analysis. In this way we have derived information about the potential energy curves of the final states W-3 Delta(u), B-3 Pi(g), and B' (3)Sigma(-)(u) and concluded that the corresponding Auger transitions are formed to a large part by strongly overlapping vibrational progressions. The present findings are compared to earlier results reported in the literature confirming some theoretical predictions. (C) 2012 Elsevier B.V. All rights reserved.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- High resolution coincidence spectroscopy
- Auger decay
- Oxygen
- Franck-Condon analysis
- High resolution coincidence spectroscopy
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Arion, Tiberiu
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Puettner, Ralph
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Lupulescu, Cosmi ...
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Ovsyannikov, Rus ...
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Foerstel, Marko
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Öhrwall, Gunnar
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show more...
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Lindblad, Andrea ...
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Ueda, Kiyoshi
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Svensson, Svante ...
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Bradshaw, Alex M ...
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Eberhardt, Wolfg ...
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Hergenhahn, Uwe
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
- Articles in the publication
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Journal of Elect ...
- By the university
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Lund University
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Uppsala University