Angular distribution of Xe5s→εp photoelectrons: a sensitive test of theory
- 14 June 1983
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 16 (11), L337-L342
- https://doi.org/10.1088/0022-3700/16/11/003
Abstract
The angular asymmetry parameter beta for 5s photoionisation in xenon has been measured in the energy range where the relativistic random-phase approximation (RRPA) including 5s, 5p and 4d interchannel couplings predicts a strong deviation from the nonrelativistic value of two. The authors' data clearly show a deviation from the value two but not as pronounced as predicted by the RRPA calculation. This indicates that the theory has to be further improved in this case.Keywords
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