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Ionization-site eff...
Ionization-site effects on the photofragmentation of chloro- and bromoacetic acid molecules
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Levola, Helena (author)
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Itala, Eero (author)
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Schlesier, Kim (author)
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Kooser, Kuno (author)
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Laine, Sanna (author)
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- Laksman, Joakim (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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Ha, Dang Trinh (author)
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- Rachlew, Elisabeth (author)
- KTH,Atom- och molekylfysik
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Tarkanovskaja, Marta (author)
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Tanzer, Katrin (author)
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Kukk, Edwin (author)
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(creator_code:org_t)
- American Physical Society, 2015
- 2015
- English.
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In: Physical Review A. Atomic, Molecular, and Optical Physics. - : American Physical Society. - 1050-2947 .- 1094-1622. ; 92:6
- Related links:
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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Abstract
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- Fragmentation of gas-phase chloro-and bromoacetic acid samples, particularly its dependency on the atomic site of the initial core ionization, was studied in photoelectron-photoion-photoion coincidence (PEPIPICO) measurements. The fragmentation was investigated after ionizing carbon 1s and bromine 3d or chlorine 2p core orbitals. It was observed that the samples had many similar fragmentation pathways and that their relative weights depended strongly on the initial ionization site. Additional Auger PEPIPICO measurements revealed a clear dependence of fragment pair intensities on the kinetic energy of the emitted Auger electrons. The modeled and measured Auger electron spectra indicated that the average internal energy of the molecule was larger following the carbon 1s core-hole decay than after the decay of the halogen core hole. This difference in the internal energies was found to be the source of the site-dependent photofragmentation behavior.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Levola, Helena
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Itala, Eero
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Schlesier, Kim
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Kooser, Kuno
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Laine, Sanna
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Laksman, Joakim
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show more...
-
Ha, Dang Trinh
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Rachlew, Elisabe ...
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Tarkanovskaja, M ...
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Tanzer, Katrin
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Kukk, Edwin
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Atom and Molecul ...
- Articles in the publication
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Physical Review ...
- By the university
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Royal Institute of Technology
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Lund University