Inner-Shell Photoionization: Teijo Aaberg's Concept of RRRS
Journal Article
·
· AIP Conference Proceedings
- Department of Physics, University of Tennessee, Knoxville, Tennessee 37996 (United States)
Teijo Aaberg died on December 29, 2000 - and with his passing we have lost a gifted and important member of our community. Over the years Teijo has made many major contributions to the science of x-ray and inner-shell physics. Perhaps the most visionary of these was his idea of radiative and radiationless resonant Raman scattering (RRRRS) [1]. This arose as an outgrowth of his earlier thoughts on Auger [2] and x-ray [3] processes. It is visionary in that it attempts to unify the various aspects of inner-shell photoexcitation and decay as different aspects of the same basic process, i.e. resonant inelastic x-ray scattering. In honor and memory of Teijo, and as a last attempt to promote his ideas, I describe here the theory and some of its consequences. First, RRRRS is outlined in a semi-rigorous form, with emphasis placed on the physical nature of the concepts. Then, using the example of atomic K-shell photoionization, we see how features such as fluorescence and photoelectron lines arise in a natural way as manifestations of resonance scattering.
- OSTI ID:
- 20636479
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 652; ISSN APCPCS; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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