Relativistic effects on low-energy 5s. -->. epsilonp photoionization for xenon
Journal Article
·
· Phys. Rev. Lett.; (United States)
Under suitable conditions, relativistic corrections to the interaction of photoelectron with its parent ion are enhanced, giving rise to large anisotropic final-state effects which can be observed in the photoelectron angular distribution. The particular example of 5s ..-->.. epsilonp photoionization of Xe is considered in detail. It is shown that the angular asymmetry parameter ..beta.. is reduced by a factor of 9 from its nonrelativistic value of 2 near the 5s ''Cooper minimum,'' so that the energy dependence of ..beta.. becomes a sensitive test of atomic correlation theories.
- Research Organization:
- Department of Physics, University of Notre Dame, Notre Dame Indiana 46556
- OSTI ID:
- 6930476
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 40:18; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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