Authors
Per Skytt, Jinghua Guo, Nial Wassdahl, Joseph Nordgren, Yi Luo, Hans Ågren
Publication date
1995/11/1
Journal
Physical Review A
Volume
52
Issue
5
Pages
3572
Publisher
American Physical Society
Description
Resonantly excited x-ray fluorescence spectra of the benzene molecule are presented and analyzed in terms of symmetry-selective resonant scattering processes. The sharp frequency dependency that is observed can be understood from strict parity and symmetry-selection rules operating in the full D 6 h point group symmetry. The experimental results prove that the electronic symmetry is not broken for the lowest unoccupied level involved in the resonant x-ray emission process.
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P Skytt, J Guo, N Wassdahl, J Nordgren, Y Luo… - Physical Review A, 1995