Photoemission study of Kr 3d. -->. np autoionization resonances

Journal Article · Mon Jun 01 04:00:00 EDT 1987 · Phys. Rev. A; (United States)

DOI:https://doi.org/10.1103/PhysRevA.35.4605· OSTI ID:6604937

Lindle, D W; Heimann, P A; Ferrett, T A; Piancastelli, M N; Shirley, D A

Resonant photoelectron spectra of Kr have been taken in the photon-energy ranges of the 3d/sub 5/2/..-->..5p,6p and 3d/sub 3/2/..-->..5p excitations. The spectra, which closely resemble normal Kr/sup +/ 3d/sup -1/ Auger spectra, illustrate the importance of ''spectator'' Auger-like decay for inner-shell resonances, in which the initially excited electron does not participate in the core-hole deexcitation process, except to respond to the change in the atomic potential. Possible assignments for some of the spectator decay channels are discussed based on photoemission intensity measurements at the different 3d resonances. These assignments suggest that shake-up (e.g., 5p..-->..6p) of the ''spectator'' electron during the decay process is not quite as important as previously suspected. The resonance profiles of some of the more intense satellites have been determined over the 3d..-->..np resonances. Very small resonance effects also were observed in the partial cross section for 4p subshell ionization, which produced asymmetric Fano-type profiles. The 4p angular distribution, in contrast, exhibits a pronounced effect in the resonance energy range. The 4p results demonstrate that nonspectator autoionization also is present.

• Research Organization: Materials and Molecular Research Division, Lawrence Berkeley Laboratory, and Department of Chemistry, University of California, Berkeley, California 94720
• DOE Contract Number: AC03-76SF00098
• OSTI ID: 6604937
• Journal Information: Phys. Rev. A; (United States), Journal Name: Phys. Rev. A; (United States) Vol. 35:11; ISSN PLRAA
• Country of Publication: United States
• Language: English

Related Subjects

640302* -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
ANGULAR DISTRIBUTION
AUTOIONIZATION
DISTRIBUTION
ELECTRONIC STRUCTURE
ELEMENTS
EMISSION
ENERGY SPECTRA
FLUIDS
GASES
IONIZATION
KRYPTON
NONMETALS
PHOTOEMISSION
RARE GASES
RESONANCE
SECONDARY EMISSION
SPECTRA