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          Document History for Document ID 111992

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Document Version Version Comment Date Status
111992.0 [No comment] 05.03.2004 12:17 Released

ID: 111992.0, Fritz-Haber-Institut / Molecular Physics
Photoelectron circular dichroism in core level ionization of randomly oriented pure enantiomers of the chiral molecule camphor
Authors:Hergenhahn, Uwe; Rennie, Emma E.; Kugeler, Oliver; Marburger, Simon; Lischke, Toralf; Powis, Iwan; García, Gustavo
Language:English
Date of Publication (YYYY-MM-DD):2004-03-08
Title of Journal:Journal of Chemical Physics
Journal Abbrev.:J. Chem. Phys.
Volume:120
Issue / Number:10
Start Page:4553
End Page:4556
Copyright:2004 American Institute of Physics
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:The inner-shell photoionization of unoriented camphor molecules by circularly polarized light has been investigated from threshold to a photoelectron kinetic energy of ~65 eV. Photoelectron spectra of the carbonyl C 1s orbital, recorded at the magic angle of 54.7° with respect to the light propagation direction, show an asymmetry of up to 6% on change of either the photon helicity or molecular enantiomer. These observations reveal a circular dichroism in the angle resolved emission with an asymmetry between forward and backward scattering (i.e., 0° and 180° to the light beam) which can exceed 12%. Since the initial state is an atomiclike spherically symmetric orbital, this strongly suggests that the asymmetry is caused by final-state effects dependent on the chiral geometry of the molecule. These findings are confirmed by electron multiple scattering calculations of the photoionization dynamics in the electric-dipole approximation.
External Publication Status:published
Document Type:Article
Communicated by:Gerard Meijer
Affiliations:Fritz-Haber-Institut/Molecular Physics
External Affiliations:Max-Planck-Institut für Plasmaphysik, Boltzmannstrasse 2, 85748 Garching, Germany; School of Chemistry, University of Nottingham, Nottingham NG7 2RD, United Kingdom
Identifiers:URL:http://scitation.aip.org/getabs/servlet/GetabsServ...
DOI:10.1063/1.1651474