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Neutral fragmentati...
Neutral fragmentation of superexcited oxygen molecules
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Karawajczyk, A. (författare)
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Erman, P. (författare)
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- Rachlew-Källne, Elisabeth (författare)
- KTH,Fysik
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Riu, J. R. I. (författare)
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Stankiewicz, M. (författare)
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Franzen, K. Y. (författare)
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Veseth, L. (författare)
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(creator_code:org_t)
- 2000
- 2000
- Engelska.
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Ingår i: Physical Review A. Atomic, Molecular, and Optical Physics. - 1050-2947 .- 1094-1622. ; 61:3, s. art. no.-32718
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The mechanisms of neutral dissociation of oxygen molecules in the excitation energy range 15-25 eV have been studied in a dispersed fluorescence experiment. By detecting the fluorescence from excited oxygen atoms, we find that neutral superexcited O-2 states below 20 eV dissociate into O(g.s.) + O(3s,3p). At higher excitation energies (h nu = 20-25 eV) the curve-crossing interactions following excitations to members of the Rydberg c (4)Sigma(u)(-) series also yield atoms in Rydberg states (nl,n greater than or equal to 4). The experimental data are analyzed on the ground of many-body perturbation theory, calculations which indicate the structure of the predissociating states converging to the experimentally observed ones.
Nyckelord
- electron-impact dissociation
- doubly-excited resonances
- o-2
- o2
- photodissociation
- state
- photoionization
- fluorescence
- emission
- valence
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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