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

Miotti, P. (författare): CNR Istituto per le Tecnologie Applicate ai Beni Culturali (CNR-ITABC)

Frassetto, F. (författare): CNR Istituto per le Tecnologie Applicate ai Beni Culturali (CNR-ITABC)

Poletto, L. (författare): CNR Istituto per le Tecnologie Applicate ai Beni Culturali (CNR-ITABC)

Stråhlman, C. (författare): Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory

(creator_code:org_t)

Elsevier BV, 2016
2016
Engelska 8 s.
Ingår i: Journal of Electron Spectroscopy and Related Phenomena. - : Elsevier BV. - 0368-2048. ; 209, s. 26-33

Relaterad länk:: http://dx.doi.org/10...; visa fler...; https://lup.lub.lu.s...; https://doi.org/10.1...; visa färre...

Abstract Ämnesord

Stäng

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.

Av författaren/redakt...: Kivimäki, A.; Coreno, M.; Miotti, P.; Frassetto, F.; Poletto, L.; Stråhlman, C.; visa fler...; De Simone, M.; Richter, R.; visa färre...

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