WFRF:(Kivimäki A)
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- Kivimäki, A.CNR Istituto Officina dei Materiali (IOM) (author)
The multielectron character of the S 2p → 4eg shape resonance in the SF6 molecule studied via detection of soft X-ray emission and neutral high-Rydberg fragments
- Article/chapterEnglish2016
Publisher, publication year, extent ...
- Elsevier BV,2016
- 8 s.
Numbers
- LIBRIS-ID:oai:lup.lub.lu.se:7601f2d9-9a28-4169-a873-dbed8731550d
- https://lup.lub.lu.se/record/7601f2d9-9a28-4169-a873-dbed8731550dURI
- https://doi.org/10.1016/j.elspec.2016.03.002DOI
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- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- We have studied the nature of the S 2p → 4eg shape resonance in the SF6 molecule by performing two different experiments. Soft X-ray emission spectra measured at the 4eg shape resonance reveal features that do not originate from the S 2p-1 states. One of the features can be assigned to the 6a1g → S 2p transition. The 6a1g orbital, which is empty in the molecular ground state, can be populated either in core-valence double excitations or in S 2p shake-up transitions. Both these channels are considered. We have also studied the fragmentation of SF6 molecule after the decay of the S 2p core-hole states by observing neutral fragments in high-Rydberg states, where an electron occupies an orbital with n ≥ 20 (n is the principal quantum number). Such neutral fragments become, in relative terms, more abundant at the S 2p → 4eg shape resonance with respect to the S 2p → 2t2g shape resonance, which is a pure one-electron phenomenon.
Subject headings and genre
- NATURVETENSKAP Fysik Atom- och molekylfysik och optik hsv//swe
- NATURAL SCIENCES Physical Sciences Atom and Molecular Physics and Optics hsv//eng
- Double excitations
- High-Rydberg states
- SF
- Shake-up transitions
- Shape resonance
- Soft X-ray emission
Added entries (persons, corporate bodies, meetings, titles ...)
- Coreno, M.CNR Istituto Officina dei Materiali (IOM) (author)
- Miotti, P.CNR Istituto per le Tecnologie Applicate ai Beni Culturali (CNR-ITABC) (author)
- Frassetto, F.CNR Istituto per le Tecnologie Applicate ai Beni Culturali (CNR-ITABC) (author)
- Poletto, L.CNR Istituto per le Tecnologie Applicate ai Beni Culturali (CNR-ITABC) (author)
- Stråhlman, C.Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory(Swepub:lu)maxl-csm (author)
- De Simone, M.CNR Istituto Officina dei Materiali (IOM) (author)
- Richter, R.Elettra Sincrotrone Trieste (author)
- CNR Istituto Officina dei Materiali (IOM)CNR Istituto per le Tecnologie Applicate ai Beni Culturali (CNR-ITABC) (creator_code:org_t)
Related titles
- In:Journal of Electron Spectroscopy and Related Phenomena: Elsevier BV209, s. 26-330368-2048
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