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          Institute: Fritz-Haber-Institut     Collection: Molecular Physics     Display Documents



ID: 8361.0, Fritz-Haber-Institut / Molecular Physics
Multiple scattering theory of photoelectron angular distributions from oriented diatomic molecules
Authors:Muino, R. D.; Rolles, Daniel; Garcia de Abajo, F. J.; Fadley, Charles S.; Van Hove, Michel A.
Language:English
Date of Publication (YYYY-MM-DD):2002-04
Title of Journal:Surface Review and Letters
Journal Abbrev.:SRL
Volume:9
Issue / Number:2
Start Page:1213
End Page:1217
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:We use multiple scattering photoelectron diffraction (MSPD) theory to calculate the angular patterns of electrons photoemitted from the K-shell of CO and N-2 gas-phase oriented molecules, as recently measured by several groups. For low (E < 50 eV) kinetic energies of the photoemitted electron, the electron scattering cannot be adequately represented by spherically symmetric potentials. We thus include nonspherical scattering potentials in our formalism through nondiagonal scattering matrices. We show that intramolecular scattering and interference are responsible for the experimentally measured patterns. This MSPD approach represents a more accurate and versatile method for dealing with such angular distributions as compared to prior calculations of these effects.
Free Keywords:SHAPE RESONANCE; CO MOLECULES; PHOTOIONIZATION; DIFFRACTION; N-2
External Publication Status:published
Document Type:Article
Communicated by:Gerard Meijer
Affiliations:Fritz-Haber-Institut/Molecular Physics
External Affiliations:Donostia Int. Phys Ctr., San Sebastian, Spain,
Univ. of California, Lawrence Berkeley Lab., Berkeley, CA, USA,
Ctr Mixto CSIC UPV EHU, San Sebastian,Spain,
Univ. of Calif at Davis, Davis, CA, USA
Identifiers:URL:http://ejournals.wspc.com.sg/srl/09/0902/S0218625X...
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