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Angular distributions of electrons photoemitted from core levels of oriented diatomic molecules: Multiple scattering theory in non-spherical potentials

AuthorsDíez Muiño, Ricardo ; Rolles, D.; García de Abajo, Francisco Javier
Issue Date2002
PublisherInstitute of Physics Publishing
CitationJournal of Physics B: Atomic, Molecular and Optical Physics 35(15): L359-L365 (2002)
AbstractWe use multiple scattering in non-spherical potentials (MSNSP) to calculate the angular distributions of electrons photoemitted from the 1s shells of CO and N2 gas-phase molecules with fixed-in-space orientations. For low photoelectron kinetic energies (E < 50 eV), as appropriate to certain shape resonances, the electron scattering must be represented by non-spherical scattering potentials, which are naturally included in our formalism. Our calculations accurately reproduce the experimental angular patterns recently measured by several groups, including those at the shape-resonance energies. The MSNSP theory is thus an efficient method to calculate the scattering states of low-energy electrons in small low-symmetry systems.
Identifiersdoi: 10.1088/0953-4075/35/15/104
issn: 0953-4075
e-issn: 1361-6455
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