X-ray versus Auger emission following Xe 1s photoionization | Zendy

M. N. Piancaśtelli | Zendy; K. Jänkälä | Zendy; L. Journel | Zendy; T. Gejo | Zendy; Yoshiki Kohmura | Zendy; Marko Huttula | Zendy; M. Simon | Zendy; Masaki Oura | Zendy

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X-ray versus Auger emission following Xe 1s photoionization

Author(s) -

M. N. Piancaśtelli,

K. Jänkälä,

L. Journel,

T. Gejo,

Yoshiki Kohmura,

Marko Huttula,

M. Simon,

Masaki Oura

Publication year - 2017

Publication title -

physical review. a/physical review, a

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.391

H-Index - 283

eISSN - 2469-9934

pISSN - 2469-9926

DOI - 10.1103/physreva.95.061402

Subject(s) - photoionization , spectral line , auger , atomic physics , physics , relaxation (psychology) , radiative transfer , analytical chemistry (journal) , emission spectrum , chemistry , ionization , ion , optics , social psychology , psychology , quantum mechanics , astronomy , chromatography

International audienceXe 1s photoelectron spectra were measured at SPring-8, Japan. The core-hole lifetime broadening was found to be 9.6 eV, yielding a lifetime of ∼68 as. The amount of radiative versus nonradiative decay was assessed by recording Auger LMM spectra below and above the K edge. Below the K edge, L vacancies are produced only by direct photoionization, while above the K edge some of these vacancies are mainly produced by KL emission following 1s photoionization. Due to the dipole selection rule for x-ray emission, the dominant role of the KL relaxation process is rather directly observed

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