Low-Energy Symmetric Coplanar and Symmetric Non-Coplanar (e, 2e) Studies from the 3a1 State of H2O
Experimental and theoretical results are presented for electron impact ionization of water in the energy regime from near threshold to intermediate energies. Results were taken in symmetric coplanar and non-coplanar geometries, with both equal and non-equal outgoing electron energies. The models approximate the random orientation of the target using a spherical averaging of the wavefunction prior to the collision, using sophisticated distorted wave Born calculations that include post-collisional interactions in first order and to all orders of perturbation theory. The calculations predict the data most accurately at the lowest energy studied (4 eV above threshold) in a coplanar symmetric geometry, whereas the comparison between theory and experiment is generally marginal for higher energies and for non-coplanar geometries.
K. L. Nixon et al., "Low-Energy Symmetric Coplanar and Symmetric Non-Coplanar (e, 2e) Studies from the 3a1 State of H2O," Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 43, no. 3, Institute of Physics - IOP Publishing, Jan 2010.
The definitive version is available at http://dx.doi.org/10.1088/0953-4075/43/3/035201
Keywords and Phrases
Collisional interactions; Coplanar symmetric geometry; Distorted waves; Electron energies; Electron impact-ionization; First order; Intermediate energies; Low energies; Non-coplanar; Perturbation theory; Random orientations; Theoretical result; Geometry; Ionization of liquids; Perturbation techniques; Impact ionization
International Standard Serial Number (ISSN)
Article - Journal
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